{"id":66135,"date":"2026-01-26T09:57:07","date_gmt":"2026-01-26T01:57:07","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/66135.html"},"modified":"2026-01-26T09:57:07","modified_gmt":"2026-01-26T01:57:07","slug":"harmonyos%e6%99%ba%e6%85%a7%e5%86%9c%e4%b8%9a%e7%ae%a1%e7%90%86%e5%ba%94%e7%94%a8%e5%bc%80%e5%8f%91%e6%95%99%e7%a8%8b-%e9%ab%98%e9%ab%98%e7%a7%8d%e5%9c%b0-%e7%ac%ac15%e7%af%87%ef%bc%9a%e5%9c%b0","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/66135.html","title":{"rendered":"HarmonyOS\u667a\u6167\u519c\u4e1a\u7ba1\u7406\u5e94\u7528\u5f00\u53d1\u6559\u7a0b--\u9ad8\u9ad8\u79cd\u5730--\u7b2c15\u7bc7\uff1a\u5730\u56fe\u5bfc\u822a\u4e0e\u8def\u7ebf\u89c4\u5212"},"content":{"rendered":"<h2>\u7b2c15\u7bc7&#xff1a;\u5730\u56fe\u5bfc\u822a\u4e0e\u8def\u7ebf\u89c4\u5212<\/h2>\n<h3>&#x1f4da; \u672c\u7bc7\u5bfc\u8bfb<\/h3>\n<p>\u5728\u667a\u6167\u519c\u4e1a\u7ba1\u7406\u4e2d&#xff0c;\u519c\u6237\u7ecf\u5e38\u9700\u8981\u4ece\u5f53\u524d\u4f4d\u7f6e\u524d\u5f80\u519c\u7530\u3001\u67e5\u627e\u5468\u8fb9\u7684\u519c\u8d44\u5e97\u3001\u519c\u673a\u79df\u8d41\u70b9\u7b49\u670d\u52a1\u8bbe\u65bd\u3002\u672c\u7bc7\u6559\u7a0b\u5c06\u5e26\u4f60\u5b9e\u73b0\u5b8c\u6574\u7684\u5730\u56fe\u5bfc\u822a\u548cPOI&#xff08;\u5174\u8da3\u70b9&#xff09;\u641c\u7d22\u529f\u80fd&#xff0c;\u8ba9\u5e94\u7528\u66f4\u52a0\u5b9e\u7528\u3002<\/p>\n<p>\u672c\u7bc7\u5c06\u5b9e\u73b0&#xff1a;<\/p>\n<ul>\n<li>&#x1f697; \u9a7e\u8f66\u8def\u7ebf\u89c4\u5212&#xff08;\u4ece\u5f53\u524d\u4f4d\u7f6e\u5230\u76ee\u6807\u5730\u5757&#xff09;<\/li>\n<li>&#x1f5fa;\ufe0f \u8def\u7ebf\u53ef\u89c6\u5316\u5c55\u793a&#xff08;\u5728\u5730\u56fe\u4e0a\u7ed8\u5236\u5bfc\u822a\u8def\u7ebf&#xff09;<\/li>\n<li>&#x1f4cd; POI\u5468\u8fb9\u641c\u7d22&#xff08;\u519c\u8d44\u5e97\u3001\u519c\u673a\u79df\u8d41\u3001\u52a0\u6cb9\u7ad9\u7b49&#xff09;<\/li>\n<li>&#x1f3af; \u641c\u7d22\u7ed3\u679c\u5c55\u793a&#xff08;\u5217\u8868&#043;\u5730\u56fe\u6807\u8bb0&#xff09;<\/li>\n<li>&#x1f324;\ufe0f \u5929\u6c14\u67e5\u8be2\u529f\u80fd&#xff08;\u57fa\u4e8e\u5f53\u524d\u4f4d\u7f6e&#xff09;<\/li>\n<\/ul>\n<hr \/>\n<h3>&#x1f3af; \u5b66\u4e60\u76ee\u6807<\/h3>\n<p>\u5b8c\u6210\u672c\u7bc7\u6559\u7a0b\u540e&#xff0c;\u4f60\u5c06\u638c\u63e1&#xff1a;<\/p>\n<li>\u5982\u4f55\u96c6\u6210\u9ad8\u5fb7\u5730\u56fe\u5bfc\u822aSDK<\/li>\n<li>\u5982\u4f55\u5b9e\u73b0\u9a7e\u8f66\u8def\u7ebf\u89c4\u5212\u529f\u80fd<\/li>\n<li>\u5982\u4f55\u5728\u5730\u56fe\u4e0a\u7ed8\u5236\u8def\u7ebf<\/li>\n<li>\u5982\u4f55\u5b9e\u73b0POI\u641c\u7d22\u529f\u80fd<\/li>\n<li>\u5982\u4f55\u5904\u7406\u641c\u7d22\u7ed3\u679c\u5e76\u5728\u5730\u56fe\u4e0a\u5c55\u793a<\/li>\n<hr \/>\n<h3>&#x1f4d0; \u529f\u80fd\u67b6\u6784<\/h3>\n<h4>\u5bfc\u822a\u4e0e\u641c\u7d22\u529f\u80fd\u67b6\u6784<\/h4>\n<p>\u5730\u56fe\u5bfc\u822a\u4e0e\u641c\u7d22\u6a21\u5757<br \/>\n\u251c\u2500\u2500 \u8def\u7ebf\u89c4\u5212<br \/>\n\u2502   \u251c\u2500\u2500 RouteSearch&#xff08;\u8def\u7ebf\u641c\u7d22\u670d\u52a1&#xff09;<br \/>\n\u2502   \u251c\u2500\u2500 \u9a7e\u8f66\u8def\u7ebf\u8ba1\u7b97<br \/>\n\u2502   \u251c\u2500\u2500 \u8def\u7ebf\u7ed3\u679c\u5904\u7406<br \/>\n\u2502   \u2514\u2500\u2500 \u8def\u7ebf\u53ef\u89c6\u5316&#xff08;Polyline\u7ed8\u5236&#xff09;<br \/>\n\u2502<br \/>\n\u251c\u2500\u2500 POI\u641c\u7d22<br \/>\n\u2502   \u251c\u2500\u2500 PoiSearch&#xff08;POI\u641c\u7d22\u670d\u52a1&#xff09;<br \/>\n\u2502   \u251c\u2500\u2500 \u5468\u8fb9\u5706\u5f62\u641c\u7d22<br \/>\n\u2502   \u251c\u2500\u2500 \u57ce\u5e02\u5173\u952e\u8bcd\u641c\u7d22<br \/>\n\u2502   \u2514\u2500\u2500 \u641c\u7d22\u7ed3\u679c\u6807\u8bb0<br \/>\n\u2502<br \/>\n\u251c\u2500\u2500 \u5929\u6c14\u67e5\u8be2<br \/>\n\u2502   \u251c\u2500\u2500 WeatherSearch&#xff08;\u5929\u6c14\u641c\u7d22\u670d\u52a1&#xff09;<br \/>\n\u2502   \u251c\u2500\u2500 \u5b9e\u65f6\u5929\u6c14\u67e5\u8be2<br \/>\n\u2502   \u2514\u2500\u2500 \u5929\u6c14\u4fe1\u606f\u5c55\u793a<br \/>\n\u2502<br \/>\n\u2514\u2500\u2500 \u4ea4\u4e92\u529f\u80fd<br \/>\n    \u251c\u2500\u2500 \u70b9\u51fb\u5730\u5757\u89e6\u53d1\u5bfc\u822a<br \/>\n    \u251c\u2500\u2500 \u641c\u7d22\u534a\u5f84\u8c03\u6574<br \/>\n    \u2514\u2500\u2500 \u641c\u7d22\u7ed3\u679c\u70b9\u51fb\u5b9a\u4f4d<\/p>\n<hr \/>\n<h3>\u4e00\u3001\u9ad8\u5fb7\u5bfc\u822aSDK\u96c6\u6210<\/h3>\n<h4>1.1 \u4f9d\u8d56\u914d\u7f6e<\/h4>\n<p>\u5728\u9879\u76ee\u7684 oh-package.json5 \u4e2d&#xff0c;\u6211\u4eec\u5df2\u7ecf\u6dfb\u52a0\u4e86\u5bfc\u822a\u548c\u641c\u7d22SDK&#xff1a;<\/p>\n<p>{<br \/>\n  &#034;dependencies&#034;: {<br \/>\n    &#034;&#064;amap\/amap_lbs_map3d&#034;: &#034;^1.0.0&#034;,      \/\/ \u5730\u56feSDK<br \/>\n    &#034;&#064;amap\/amap_lbs_search&#034;: &#034;^1.0.0&#034;,     \/\/ \u641c\u7d22SDK&#xff08;\u5305\u542b\u8def\u7ebf\u89c4\u5212&#xff09;<br \/>\n    &#034;&#064;amap\/amap_lbs_navi&#034;: &#034;^1.0.0&#034;        \/\/ \u5bfc\u822aSDK<br \/>\n  }<br \/>\n}<\/p>\n<p>\u8bf4\u660e&#xff1a;<\/p>\n<ul>\n<li>&#064;amap\/amap_lbs_search&#xff1a;\u63d0\u4f9b\u8def\u7ebf\u89c4\u5212\u3001POI\u641c\u7d22\u3001\u5929\u6c14\u67e5\u8be2\u7b49\u529f\u80fd<\/li>\n<li>&#064;amap\/amap_lbs_navi&#xff1a;\u63d0\u4f9b\u5b9e\u65f6\u5bfc\u822a\u529f\u80fd&#xff08;\u672c\u7bc7\u91cd\u70b9\u662f\u8def\u7ebf\u89c4\u5212&#xff09;<\/li>\n<\/ul>\n<h4>1.2 \u5bfc\u5165\u5fc5\u8981\u7684\u6a21\u5757<\/h4>\n<p>\u5728 FieldMapPage.ets \u4e2d\u5bfc\u5165\u641c\u7d22\u76f8\u5173\u7684\u7c7b&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u641c\u7d22SDK\u5bfc\u5165<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  RouteSearch<span class=\"token punctuation\">,<\/span>           <span class=\"token comment\">\/\/ \u8def\u7ebf\u641c\u7d22<\/span><br \/>\n  DriveRouteQuery<span class=\"token punctuation\">,<\/span>       <span class=\"token comment\">\/\/ \u9a7e\u8f66\u8def\u7ebf\u67e5\u8be2<\/span><br \/>\n  FromAndTo<span class=\"token punctuation\">,<\/span>             <span class=\"token comment\">\/\/ \u8d77\u70b9\u7ec8\u70b9<\/span><br \/>\n  LatLonPoint<span class=\"token punctuation\">,<\/span>           <span class=\"token comment\">\/\/ \u7ecf\u7eac\u5ea6\u70b9<\/span><br \/>\n  OnRouteSearchListener<span class=\"token punctuation\">,<\/span> <span class=\"token comment\">\/\/ \u8def\u7ebf\u641c\u7d22\u76d1\u542c\u5668<\/span><br \/>\n  DriveRouteResult<span class=\"token punctuation\">,<\/span>      <span class=\"token comment\">\/\/ \u9a7e\u8f66\u8def\u7ebf\u7ed3\u679c<\/span><br \/>\n  AMapException<span class=\"token punctuation\">,<\/span>         <span class=\"token comment\">\/\/ \u5f02\u5e38\u7801<\/span><br \/>\n  PoiSearch<span class=\"token punctuation\">,<\/span>             <span class=\"token comment\">\/\/ POI\u641c\u7d22<\/span><br \/>\n  PoiQuery<span class=\"token punctuation\">,<\/span>              <span class=\"token comment\">\/\/ POI\u67e5\u8be2<\/span><br \/>\n  OnPoiSearchListener<span class=\"token punctuation\">,<\/span>   <span class=\"token comment\">\/\/ POI\u641c\u7d22\u76d1\u542c\u5668<\/span><br \/>\n  PoiResult<span class=\"token punctuation\">,<\/span>             <span class=\"token comment\">\/\/ POI\u7ed3\u679c<\/span><br \/>\n  PoiItem<span class=\"token punctuation\">,<\/span>               <span class=\"token comment\">\/\/ POI\u9879<\/span><br \/>\n  PoiSearchBound<span class=\"token punctuation\">,<\/span>        <span class=\"token comment\">\/\/ POI\u641c\u7d22\u8303\u56f4<\/span><br \/>\n  WeatherSearch<span class=\"token punctuation\">,<\/span>         <span class=\"token comment\">\/\/ \u5929\u6c14\u641c\u7d22<\/span><br \/>\n  WeatherSearchQuery<span class=\"token punctuation\">,<\/span>    <span class=\"token comment\">\/\/ \u5929\u6c14\u67e5\u8be2<\/span><br \/>\n  LocalWeatherLive<span class=\"token punctuation\">,<\/span>      <span class=\"token comment\">\/\/ \u5b9e\u65f6\u5929\u6c14<\/span><br \/>\n  LocalWeatherLiveResult<span class=\"token punctuation\">,<\/span><span class=\"token comment\">\/\/ \u5929\u6c14\u7ed3\u679c<\/span><br \/>\n  OnWeatherSearchListener <span class=\"token comment\">\/\/ \u5929\u6c14\u76d1\u542c\u5668<\/span><br \/>\n<span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;&#064;amap\/amap_lbs_search&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<hr \/>\n<h3>\u4e8c\u3001\u8def\u7ebf\u89c4\u5212\u529f\u80fd\u5b9e\u73b0<\/h3>\n<h4>2.1 \u521d\u59cb\u5316\u8def\u7ebf\u641c\u7d22\u670d\u52a1<\/h4>\n<p>\u5728\u9875\u9762\u7684 aboutToAppear() \u751f\u547d\u5468\u671f\u4e2d\u521d\u59cb\u5316\u641c\u7d22\u670d\u52a1&#xff1a;<\/p>\n<p><span class=\"token decorator\"><span class=\"token at operator\">&#064;<\/span><span class=\"token function\">Component<\/span><\/span><br \/>\n<span class=\"token keyword\">export<\/span> struct FieldMapPage <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token comment\">\/\/ \u8def\u7ebf\u641c\u7d22\u76f8\u5173<\/span><br \/>\n  <span class=\"token keyword\">private<\/span> routeSearch<span class=\"token operator\">:<\/span> RouteSearch <span class=\"token operator\">|<\/span> <span class=\"token keyword\">null<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">private<\/span> routePolyline<span class=\"token operator\">:<\/span> Polyline <span class=\"token operator\">|<\/span> <span class=\"token keyword\">null<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token decorator\"><span class=\"token at operator\">&#064;<\/span><span class=\"token function\">State<\/span><\/span> showRouteDialog<span class=\"token operator\">:<\/span> <span class=\"token builtin\">boolean<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token decorator\"><span class=\"token at operator\">&#064;<\/span><span class=\"token function\">State<\/span><\/span> routeDistance<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token decorator\"><span class=\"token at operator\">&#064;<\/span><span class=\"token function\">State<\/span><\/span> routeTime<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token decorator\"><span class=\"token at operator\">&#064;<\/span><span class=\"token function\">State<\/span><\/span> isRouteSearching<span class=\"token operator\">:<\/span> <span class=\"token builtin\">boolean<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token function\">aboutToAppear<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u521d\u59cb\u5316\u8def\u7ebf\u641c\u7d22\u670d\u52a1<\/span><br \/>\n    <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token keyword\">const<\/span> context <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">getContext<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">as<\/span> Context<span class=\"token punctuation\">;<\/span><\/p>\n<p>      <span class=\"token comment\">\/\/ \u521b\u5efaRouteSearch\u5b9e\u4f8b<\/span><br \/>\n      <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>routeSearch <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">RouteSearch<\/span><span class=\"token punctuation\">(<\/span>context<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token builtin\">console<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;[FieldMapPage] RouteSearch\u521d\u59cb\u5316\u6210\u529f&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span>error<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token builtin\">console<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">error<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;[FieldMapPage] \u641c\u7d22\u670d\u52a1\u521d\u59cb\u5316\u5931\u8d25:&#039;<\/span><span class=\"token punctuation\">,<\/span> error<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      promptAction<span class=\"token punctuation\">.<\/span><span class=\"token function\">showToast<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><br \/>\n        message<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;\u8def\u7ebf\u89c4\u5212\u529f\u80fd\u521d\u59cb\u5316\u5931\u8d25&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        duration<span class=\"token operator\">:<\/span> <span class=\"token number\">2000<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u5173\u952e\u70b9&#xff1a;<\/p>\n<ul>\n<li>RouteSearch \u9700\u8981\u4f20\u5165 Context \u5bf9\u8c61<\/li>\n<li>\u521d\u59cb\u5316\u5931\u8d25\u65f6\u8981\u7ed9\u7528\u6237\u53cb\u597d\u7684\u63d0\u793a<\/li>\n<\/ul>\n<h4>2.2 \u5b9e\u73b0\u8def\u7ebf\u89c4\u5212\u65b9\u6cd5<\/h4>\n<p>\u521b\u5efa\u4e00\u4e2a\u65b9\u6cd5\u6765\u8ba1\u7b97\u4ece\u5f53\u524d\u4f4d\u7f6e\u5230\u76ee\u6807\u5730\u5757\u7684\u8def\u7ebf&#xff1a;<\/p>\n<p><span class=\"token comment\">\/**<br \/>\n * \u89c4\u5212\u5230\u6307\u5b9a\u5730\u5757\u7684\u8def\u7ebf<br \/>\n * &#064;param fieldId \u5730\u5757ID<br \/>\n *\/<\/span><br \/>\n<span class=\"token keyword\">private<\/span> <span class=\"token function\">planRouteToField<\/span><span class=\"token punctuation\">(<\/span>fieldId<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token comment\">\/\/ 1. \u68c0\u67e5\u662f\u5426\u6709\u5f53\u524d\u4f4d\u7f6e<\/span><br \/>\n  <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>currentLocationInfo <span class=\"token operator\">||<\/span><br \/>\n      <span class=\"token operator\">!<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>currentLocationInfo<span class=\"token punctuation\">.<\/span>latitude <span class=\"token operator\">||<\/span><br \/>\n      <span class=\"token operator\">!<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>currentLocationInfo<span class=\"token punctuation\">.<\/span>longitude<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    promptAction<span class=\"token punctuation\">.<\/span><span class=\"token function\">showToast<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><br \/>\n      message<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;\u65e0\u6cd5\u83b7\u53d6\u5f53\u524d\u4f4d\u7f6e&#xff0c;\u8bf7\u786e\u4fdd\u5df2\u5f00\u542f\u5b9a\u4f4d\u6743\u9650&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      duration<span class=\"token operator\">:<\/span> <span class=\"token number\">2000<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token comment\">\/\/ 2. \u67e5\u627e\u76ee\u6807\u5730\u5757<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> field <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>fields<span class=\"token punctuation\">.<\/span><span class=\"token function\">find<\/span><span class=\"token punctuation\">(<\/span>f <span class=\"token operator\">&#061;&gt;<\/span> f<span class=\"token punctuation\">.<\/span>id <span class=\"token operator\">&#061;&#061;&#061;<\/span> fieldId<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>field <span class=\"token operator\">||<\/span> <span class=\"token operator\">!<\/span>field<span class=\"token punctuation\">.<\/span>latitude <span class=\"token operator\">||<\/span> <span class=\"token operator\">!<\/span>field<span class=\"token punctuation\">.<\/span>longitude<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    promptAction<span class=\"token punctuation\">.<\/span><span class=\"token function\">showToast<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><br \/>\n      message<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;\u5730\u5757\u4f4d\u7f6e\u4fe1\u606f\u4e0d\u5b8c\u6574&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      duration<span class=\"token operator\">:<\/span> <span class=\"token number\">2000<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token comment\">\/\/ 3. \u83b7\u53d6\u8d77\u70b9\u548c\u7ec8\u70b9\u5750\u6807<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> startLat <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>currentLocationInfo<span class=\"token punctuation\">.<\/span>latitude<span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> startLon <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>currentLocationInfo<span class=\"token punctuation\">.<\/span>longitude<span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> endLat <span class=\"token operator\">&#061;<\/span> field<span class=\"token punctuation\">.<\/span>latitude<span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> endLon <span class=\"token operator\">&#061;<\/span> field<span class=\"token punctuation\">.<\/span>longitude<span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token builtin\">console<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">&#096;<\/span><span class=\"token string\">[FieldMapPage] \u89c4\u5212\u8def\u7ebf: (<\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>startLat<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token string\">,<\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>startLon<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token string\">) -&gt; (<\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>endLat<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token string\">,<\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>endLon<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token string\">)<\/span><span class=\"token template-punctuation string\">&#096;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token comment\">\/\/ 4. \u8c03\u7528\u8def\u7ebf\u641c\u7d22<\/span><br \/>\n  <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">searchDriveRoute<\/span><span class=\"token punctuation\">(<\/span>startLat<span class=\"token punctuation\">,<\/span> startLon<span class=\"token punctuation\">,<\/span> endLat<span class=\"token punctuation\">,<\/span> endLon<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/**<br \/>\n * \u641c\u7d22\u9a7e\u8f66\u8def\u7ebf<br \/>\n *\/<\/span><br \/>\n<span class=\"token keyword\">private<\/span> <span class=\"token function\">searchDriveRoute<\/span><span class=\"token punctuation\">(<\/span><br \/>\n  startLat<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  startLon<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  endLat<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  endLon<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><br \/>\n<span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>routeSearch <span class=\"token operator\">||<\/span> <span class=\"token operator\">!<\/span>globalAMap<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    promptAction<span class=\"token punctuation\">.<\/span><span class=\"token function\">showToast<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><br \/>\n      message<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;\u8def\u7ebf\u641c\u7d22\u670d\u52a1\u4e0d\u53ef\u7528&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      duration<span class=\"token operator\">:<\/span> <span class=\"token number\">2000<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token builtin\">console<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;[FieldMapPage] \u5f00\u59cb\u8def\u7ebf\u641c\u7d22&#8230;&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>isRouteSearching <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ 1. \u521b\u5efa\u8d77\u70b9\u548c\u7ec8\u70b9<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> startPoint <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">LatLonPoint<\/span><span class=\"token punctuation\">(<\/span>startLat<span class=\"token punctuation\">,<\/span> startLon<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> endPoint <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">LatLonPoint<\/span><span class=\"token punctuation\">(<\/span>endLat<span class=\"token punctuation\">,<\/span> endLon<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> fromAndTo <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">FromAndTo<\/span><span class=\"token punctuation\">(<\/span>startPoint<span class=\"token punctuation\">,<\/span> endPoint<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ 2. \u521b\u5efa\u9a7e\u8f66\u8def\u7ebf\u67e5\u8be2<\/span><br \/>\n    <span class=\"token comment\">\/\/ mode\u53c2\u6570: 0&#061;\u901f\u5ea6\u4f18\u5148, 1&#061;\u8d39\u7528\u4f18\u5148, 2&#061;\u8ddd\u79bb\u4f18\u5148, 3&#061;\u4e0d\u8d70\u9ad8\u901f<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> passPoints <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">ArrayList<span class=\"token operator\">&lt;<\/span>LatLonPoint<span class=\"token operator\">&gt;<\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u9014\u7ecf\u70b9&#xff08;\u7a7a&#xff09;<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> avoidPolygons <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">ArrayList<span class=\"token operator\">&lt;<\/span>ArrayList<span class=\"token operator\">&lt;<\/span>LatLonPoint<span class=\"token operator\">&gt;&gt;<\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u907f\u8ba9\u533a\u57df&#xff08;\u7a7a&#xff09;<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> query <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">DriveRouteQuery<\/span><span class=\"token punctuation\">(<\/span><br \/>\n      fromAndTo<span class=\"token punctuation\">,<\/span>      <span class=\"token comment\">\/\/ \u8d77\u70b9\u7ec8\u70b9<\/span><br \/>\n      <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span>              <span class=\"token comment\">\/\/ \u6a21\u5f0f&#xff1a;\u901f\u5ea6\u4f18\u5148<\/span><br \/>\n      passPoints<span class=\"token punctuation\">,<\/span>     <span class=\"token comment\">\/\/ \u9014\u7ecf\u70b9<\/span><br \/>\n      avoidPolygons<span class=\"token punctuation\">,<\/span>  <span class=\"token comment\">\/\/ \u907f\u8ba9\u533a\u57df<\/span><br \/>\n      <span class=\"token string\">&#039;&#039;<\/span>              <span class=\"token comment\">\/\/ \u907f\u8ba9\u9053\u8def<\/span><br \/>\n    <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ 3. \u8bbe\u7f6e\u76d1\u542c\u5668<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> listener<span class=\"token operator\">:<\/span> OnRouteSearchListener <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token comment\">\/\/ \u9a7e\u8f66\u8def\u7ebf\u641c\u7d22\u56de\u8c03<\/span><br \/>\n      onDriveRouteSearched<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">(<\/span>result<span class=\"token operator\">:<\/span> DriveRouteResult <span class=\"token operator\">|<\/span> <span class=\"token keyword\">undefined<\/span><span class=\"token punctuation\">,<\/span> errorCode<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>isRouteSearching <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">handleRouteResult<\/span><span class=\"token punctuation\">(<\/span>result<span class=\"token punctuation\">,<\/span> errorCode<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      <span class=\"token comment\">\/\/ \u5176\u4ed6\u8def\u7ebf\u7c7b\u578b&#xff08;\u4e0d\u4f7f\u7528&#xff09;<\/span><br \/>\n      onWalkRouteSearched<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      onRideRouteSearched<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      onBusRouteSearched<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ 4. \u8bbe\u7f6e\u76d1\u542c\u5668\u5e76\u5f00\u59cb\u641c\u7d22<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>routeSearch<span class=\"token punctuation\">.<\/span><span class=\"token function\">setRouteSearchListener<\/span><span class=\"token punctuation\">(<\/span>listener<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5ef6\u65f6\u6267\u884c&#xff0c;\u786e\u4fdd\u76d1\u542c\u5668\u8bbe\u7f6e\u5b8c\u6210<\/span><br \/>\n    <span class=\"token function\">setTimeout<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>routeSearch<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>routeSearch<span class=\"token punctuation\">.<\/span><span class=\"token function\">calculateDriveRouteAsyn<\/span><span class=\"token punctuation\">(<\/span>query<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token builtin\">console<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;[FieldMapPage] \u8def\u7ebf\u8ba1\u7b97\u5df2\u542f\u52a8&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">100<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    promptAction<span class=\"token punctuation\">.<\/span><span class=\"token function\">showToast<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><br \/>\n      message<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;\u6b63\u5728\u89c4\u5212\u8def\u7ebf&#8230;&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      duration<span class=\"token operator\">:<\/span> <span class=\"token number\">1500<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span>error<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>isRouteSearching <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token builtin\">console<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">error<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;[FieldMapPage] \u8def\u7ebf\u641c\u7d22\u5931\u8d25:&#039;<\/span><span class=\"token punctuation\">,<\/span> error<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    promptAction<span class=\"token punctuation\">.<\/span><span class=\"token function\">showToast<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><br \/>\n      message<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;\u8def\u7ebf\u89c4\u5212\u5931\u8d25&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      duration<span class=\"token operator\">:<\/span> <span class=\"token number\">2000<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u4ee3\u7801\u8bf4\u660e&#xff1a;<\/p>\n<table>\n<tr>\u6b65\u9aa4\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>1. \u53c2\u6570\u9a8c\u8bc1<\/td>\n<td>\u68c0\u67e5\u5f53\u524d\u4f4d\u7f6e\u548c\u76ee\u6807\u5730\u5757\u7684\u5750\u6807\u662f\u5426\u6709\u6548<\/td>\n<\/tr>\n<tr>\n<td>2. \u521b\u5efa\u67e5\u8be2\u5bf9\u8c61<\/td>\n<td>\u4f7f\u7528 DriveRouteQuery \u521b\u5efa\u9a7e\u8f66\u8def\u7ebf\u67e5\u8be2<\/td>\n<\/tr>\n<tr>\n<td>3. \u8bbe\u7f6e\u76d1\u542c\u5668<\/td>\n<td>\u901a\u8fc7 OnRouteSearchListener \u63a5\u6536\u641c\u7d22\u7ed3\u679c<\/td>\n<\/tr>\n<tr>\n<td>4. \u5f02\u6b65\u641c\u7d22<\/td>\n<td>\u8c03\u7528 calculateDriveRouteAsyn() \u5f00\u59cb\u641c\u7d22<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>DriveRouteQuery\u53c2\u6570\u8bf4\u660e&#xff1a;<\/p>\n<ul>\n<li>mode&#061;0&#xff1a;\u901f\u5ea6\u4f18\u5148&#xff08;\u63a8\u8350\u7528\u4e8e\u519c\u4e1a\u573a\u666f&#xff09;<\/li>\n<li>mode&#061;1&#xff1a;\u8d39\u7528\u4f18\u5148&#xff08;\u907f\u5f00\u6536\u8d39\u8def\u6bb5&#xff09;<\/li>\n<li>mode&#061;2&#xff1a;\u8ddd\u79bb\u4f18\u5148&#xff08;\u6700\u77ed\u8def\u5f84&#xff09;<\/li>\n<li>mode&#061;3&#xff1a;\u4e0d\u8d70\u9ad8\u901f&#xff08;\u9002\u5408\u519c\u6751\u9053\u8def&#xff09;<\/li>\n<\/ul>\n<h4>2.3 \u5904\u7406\u8def\u7ebf\u641c\u7d22\u7ed3\u679c<\/h4>\n<p><span class=\"token comment\">\/**<br \/>\n * \u5904\u7406\u8def\u7ebf\u641c\u7d22\u7ed3\u679c<br \/>\n *\/<\/span><br \/>\n<span class=\"token keyword\">private<\/span> <span class=\"token function\">handleRouteResult<\/span><span class=\"token punctuation\">(<\/span>result<span class=\"token operator\">:<\/span> DriveRouteResult <span class=\"token operator\">|<\/span> <span class=\"token keyword\">undefined<\/span><span class=\"token punctuation\">,<\/span> errorCode<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token builtin\">console<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;[FieldMapPage] \u8def\u7ebf\u641c\u7d22\u56de\u8c03, errorCode:&#039;<\/span><span class=\"token punctuation\">,<\/span> errorCode<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>globalAMap<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token builtin\">console<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">error<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;[FieldMapPage] \u5730\u56fe\u5bf9\u8c61\u4e3a\u7a7a&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token comment\">\/\/ \u68c0\u67e5\u662f\u5426\u6210\u529f<\/span><br \/>\n  <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>errorCode <span class=\"token operator\">&#061;&#061;&#061;<\/span> AMapException<span class=\"token punctuation\">.<\/span><span class=\"token constant\">CODE_AMAP_SUCCESS<\/span> <span class=\"token operator\">&amp;&amp;<\/span> result<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token builtin\">console<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;[FieldMapPage] \u2705 \u8def\u7ebf\u641c\u7d22\u6210\u529f&#xff01;&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u83b7\u53d6\u8def\u7ebf\u5217\u8868&#xff08;\u901a\u5e38\u8fd4\u56de\u591a\u6761\u8def\u7ebf&#xff0c;\u53d6\u7b2c\u4e00\u6761&#xff09;<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> paths <span class=\"token operator\">&#061;<\/span> result<span class=\"token punctuation\">.<\/span><span class=\"token function\">getPaths<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>paths <span class=\"token operator\">&amp;&amp;<\/span> paths<span class=\"token punctuation\">.<\/span>length <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token keyword\">const<\/span> path <span class=\"token operator\">&#061;<\/span> paths<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u53d6\u7b2c\u4e00\u6761\u8def\u7ebf<\/span><\/p>\n<p>      <span class=\"token comment\">\/\/ \u83b7\u53d6\u8def\u7ebf\u4fe1\u606f<\/span><br \/>\n      <span class=\"token keyword\">const<\/span> distance <span class=\"token operator\">&#061;<\/span> path<span class=\"token punctuation\">.<\/span><span class=\"token function\">getDistance<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u8ddd\u79bb&#xff08;\u7c73&#xff09;<\/span><br \/>\n      <span class=\"token keyword\">const<\/span> duration <span class=\"token operator\">&#061;<\/span> path<span class=\"token punctuation\">.<\/span><span class=\"token function\">getDuration<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u65f6\u957f&#xff08;\u79d2&#xff09;<\/span><\/p>\n<p>      <span class=\"token builtin\">console<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">&#096;<\/span><span class=\"token string\">[FieldMapPage] \u8def\u7ebf\u4fe1\u606f &#8211; \u8ddd\u79bb:<\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>distance<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token string\">\u7c73, \u65f6\u957f:<\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>duration<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token string\">\u79d2<\/span><span class=\"token template-punctuation string\">&#096;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>      <span class=\"token comment\">\/\/ \u683c\u5f0f\u5316\u8ddd\u79bb\u663e\u793a<\/span><br \/>\n      <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>routeDistance <span class=\"token operator\">&#061;<\/span> distance <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">1000<\/span> <span class=\"token operator\">?<\/span><br \/>\n        <span class=\"token template-string\"><span class=\"token template-punctuation string\">&#096;<\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span><span class=\"token punctuation\">(<\/span>distance <span class=\"token operator\">\/<\/span> <span class=\"token number\">1000<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">toFixed<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token string\">\u516c\u91cc<\/span><span class=\"token template-punctuation string\">&#096;<\/span><\/span> <span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token template-string\"><span class=\"token template-punctuation string\">&#096;<\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>distance<span class=\"token punctuation\">.<\/span><span class=\"token function\">toFixed<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token string\">\u7c73<\/span><span class=\"token template-punctuation string\">&#096;<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>      <span class=\"token comment\">\/\/ \u683c\u5f0f\u5316\u65f6\u95f4\u663e\u793a<\/span><br \/>\n      <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>routeTime <span class=\"token operator\">&#061;<\/span> duration <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">3600<\/span> <span class=\"token operator\">?<\/span><br \/>\n        <span class=\"token template-string\"><span class=\"token template-punctuation string\">&#096;<\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>Math<span class=\"token punctuation\">.<\/span><span class=\"token function\">floor<\/span><span class=\"token punctuation\">(<\/span>duration <span class=\"token operator\">\/<\/span> <span class=\"token number\">3600<\/span><span class=\"token punctuation\">)<\/span><span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token string\">\u5c0f\u65f6<\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>Math<span class=\"token punctuation\">.<\/span><span class=\"token function\">floor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>duration <span class=\"token operator\">%<\/span> <span class=\"token number\">3600<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">\/<\/span> <span class=\"token number\">60<\/span><span class=\"token punctuation\">)<\/span><span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token string\">\u5206\u949f<\/span><span class=\"token template-punctuation string\">&#096;<\/span><\/span> <span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token template-string\"><span class=\"token template-punctuation string\">&#096;<\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>Math<span class=\"token punctuation\">.<\/span><span class=\"token function\">floor<\/span><span class=\"token punctuation\">(<\/span>duration <span class=\"token operator\">\/<\/span> <span class=\"token number\">60<\/span><span class=\"token punctuation\">)<\/span><span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token string\">\u5206\u949f<\/span><span class=\"token template-punctuation string\">&#096;<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>      <span class=\"token comment\">\/\/ \u7ed8\u5236\u8def\u7ebf<\/span><br \/>\n      <span class=\"token keyword\">const<\/span> steps <span class=\"token operator\">&#061;<\/span> path<span class=\"token punctuation\">.<\/span><span class=\"token function\">getSteps<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u83b7\u53d6\u8def\u7ebf\u5206\u6bb5<\/span><br \/>\n      <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">drawRoute<\/span><span class=\"token punctuation\">(<\/span>steps<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>      <span class=\"token comment\">\/\/ \u663e\u793a\u8def\u7ebf\u4fe1\u606f\u5bf9\u8bdd\u6846<\/span><br \/>\n      <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>showRouteDialog <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>      promptAction<span class=\"token punctuation\">.<\/span><span class=\"token function\">showToast<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><br \/>\n        message<span class=\"token operator\">:<\/span> <span class=\"token template-string\"><span class=\"token template-punctuation string\">&#096;<\/span><span class=\"token string\">\u8def\u7ebf\u89c4\u5212\u6210\u529f: <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>routeDistance<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token string\">&#xff0c;\u7528\u65f6\u7ea6<\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>routeTime<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">&#096;<\/span><\/span><span class=\"token punctuation\">,<\/span><br \/>\n        duration<span class=\"token operator\">:<\/span> <span class=\"token number\">3000<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token builtin\">console<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">warn<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;[FieldMapPage] \u672a\u627e\u5230\u8def\u7ebf&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      promptAction<span class=\"token punctuation\">.<\/span><span class=\"token function\">showToast<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><br \/>\n        message<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;\u672a\u627e\u5230\u5408\u9002\u7684\u8def\u7ebf&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        duration<span class=\"token operator\">:<\/span> <span class=\"token number\">2000<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u641c\u7d22\u5931\u8d25<\/span><br \/>\n    <span class=\"token builtin\">console<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">error<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;[FieldMapPage] \u8def\u7ebf\u641c\u7d22\u5931\u8d25, errorCode:&#039;<\/span><span class=\"token punctuation\">,<\/span> errorCode<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">let<\/span> errorMessage <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;\u8def\u7ebf\u641c\u7d22\u5931\u8d25&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">switch<\/span> <span class=\"token punctuation\">(<\/span>errorCode<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token keyword\">case<\/span> <span class=\"token number\">1000<\/span><span class=\"token operator\">:<\/span> errorMessage <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;\u8bf7\u6c42\u8d85\u65f6&#xff0c;\u8bf7\u91cd\u8bd5&#039;<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token keyword\">case<\/span> <span class=\"token number\">1001<\/span><span class=\"token operator\">:<\/span> errorMessage <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;\u7f51\u7edc\u9519\u8bef&#xff0c;\u8bf7\u68c0\u67e5\u7f51\u7edc\u8fde\u63a5&#039;<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token keyword\">case<\/span> <span class=\"token number\">1002<\/span><span class=\"token operator\">:<\/span> errorMessage <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;\u65e0\u6548\u7684\u53c2\u6570&#039;<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token keyword\">case<\/span> <span class=\"token number\">2000<\/span><span class=\"token operator\">:<\/span> errorMessage <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;\u65e0\u6548\u7684\u7528\u6237Key&#039;<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token keyword\">case<\/span> <span class=\"token number\">3000<\/span><span class=\"token operator\">:<\/span> errorMessage <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;\u670d\u52a1\u8bf7\u6c42\u8d85\u51fa\u9650\u5236&#039;<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token keyword\">default<\/span><span class=\"token operator\">:<\/span> errorMessage <span class=\"token operator\">&#061;<\/span> <span class=\"token template-string\"><span class=\"token template-punctuation string\">&#096;<\/span><span class=\"token string\">\u8def\u7ebf\u641c\u7d22\u5931\u8d25 (\u9519\u8bef\u7801: <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>errorCode<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token string\">)<\/span><span class=\"token template-punctuation string\">&#096;<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    promptAction<span class=\"token punctuation\">.<\/span><span class=\"token function\">showToast<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><br \/>\n      message<span class=\"token operator\">:<\/span> errorMessage<span class=\"token punctuation\">,<\/span><br \/>\n      duration<span class=\"token operator\">:<\/span> <span class=\"token number\">3000<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u5173\u952e\u70b9&#xff1a;<\/p>\n<ul>\n<li>result.getPaths() \u8fd4\u56de\u591a\u6761\u8def\u7ebf\u65b9\u6848&#xff0c;\u901a\u5e38\u53d6\u7b2c\u4e00\u6761<\/li>\n<li>path.getDistance() \u8fd4\u56de\u8ddd\u79bb&#xff08;\u5355\u4f4d&#xff1a;\u7c73&#xff09;<\/li>\n<li>path.getDuration() \u8fd4\u56de\u9884\u8ba1\u65f6\u957f&#xff08;\u5355\u4f4d&#xff1a;\u79d2&#xff09;<\/li>\n<li>path.getSteps() \u8fd4\u56de\u8def\u7ebf\u5206\u6bb5\u4fe1\u606f&#xff0c;\u7528\u4e8e\u7ed8\u5236\u8def\u7ebf<\/li>\n<\/ul>\n<h4>2.4 \u5728\u5730\u56fe\u4e0a\u7ed8\u5236\u8def\u7ebf<\/h4>\n<p><span class=\"token comment\">\/**<br \/>\n * \u7ed8\u5236\u8def\u7ebf\u5230\u5730\u56fe\u4e0a<br \/>\n * &#064;param steps \u8def\u7ebf\u5206\u6bb5\u4fe1\u606f<br \/>\n *\/<\/span><br \/>\n<span class=\"token keyword\">private<\/span> <span class=\"token function\">drawRoute<\/span><span class=\"token punctuation\">(<\/span>steps<span class=\"token operator\">:<\/span> ESObject<span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token builtin\">console<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;[FieldMapPage] \u5f00\u59cb\u7ed8\u5236\u8def\u7ebf&#8230;&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>globalAMap<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token builtin\">console<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">error<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;[FieldMapPage] \u5730\u56fe\u5bf9\u8c61\u4e3a\u7a7a&#xff0c;\u65e0\u6cd5\u7ed8\u5236\u8def\u7ebf&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>steps<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token builtin\">console<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">error<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;[FieldMapPage] \u8def\u7ebf\u5206\u6bb5\u4fe1\u606f\u4e3a\u7a7a&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token comment\">\/\/ 1. \u6e05\u9664\u65e7\u8def\u7ebf<\/span><br \/>\n  <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>routePolyline<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token builtin\">console<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;[FieldMapPage] \u6e05\u9664\u65e7\u8def\u7ebf&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>routePolyline<span class=\"token punctuation\">.<\/span><span class=\"token function\">remove<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>routePolyline <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ 2. \u6536\u96c6\u6240\u6709\u8def\u7ebf\u70b9<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> polylineOptions<span class=\"token operator\">:<\/span> PolylineOptions <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">PolylineOptions<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">let<\/span> pointCount <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u904d\u5386\u6240\u6709\u5206\u6bb5<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> stepsArray<span class=\"token operator\">:<\/span> ESObject <span class=\"token operator\">&#061;<\/span> steps<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> length<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span> <span class=\"token operator\">&#061;<\/span> stepsArray<span class=\"token punctuation\">.<\/span>length <span class=\"token keyword\">as<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token builtin\">console<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">&#096;<\/span><span class=\"token string\">[FieldMapPage] \u5904\u7406 <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>length<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token string\"> \u4e2a\u8def\u7ebf\u5206\u6bb5<\/span><span class=\"token template-punctuation string\">&#096;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">let<\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> length<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token keyword\">const<\/span> step<span class=\"token operator\">:<\/span> ESObject <span class=\"token operator\">&#061;<\/span> stepsArray<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span> <span class=\"token keyword\">as<\/span> ESObject<span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token keyword\">const<\/span> polyline<span class=\"token operator\">:<\/span> ESObject <span class=\"token operator\">&#061;<\/span> step<span class=\"token punctuation\">.<\/span>getPolyline<span class=\"token operator\">?.<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">as<\/span> ESObject<span class=\"token punctuation\">;<\/span><\/p>\n<p>      <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>polyline<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">const<\/span> polylineLength<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span> <span class=\"token operator\">&#061;<\/span> polyline<span class=\"token punctuation\">.<\/span>length <span class=\"token keyword\">as<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u904d\u5386\u5206\u6bb5\u4e2d\u7684\u6240\u6709\u70b9<\/span><br \/>\n        <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">let<\/span> j <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> j <span class=\"token operator\">&lt;<\/span> polylineLength<span class=\"token punctuation\">;<\/span> j<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n          <span class=\"token keyword\">const<\/span> point<span class=\"token operator\">:<\/span> ESObject <span class=\"token operator\">&#061;<\/span> polyline<span class=\"token punctuation\">[<\/span>j<span class=\"token punctuation\">]<\/span> <span class=\"token keyword\">as<\/span> ESObject<span class=\"token punctuation\">;<\/span><br \/>\n          <span class=\"token keyword\">const<\/span> lat<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span> <span class=\"token operator\">&#061;<\/span> point<span class=\"token punctuation\">.<\/span>getLatitude<span class=\"token operator\">?.<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">as<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">;<\/span><br \/>\n          <span class=\"token keyword\">const<\/span> lon<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span> <span class=\"token operator\">&#061;<\/span> point<span class=\"token punctuation\">.<\/span>getLongitude<span class=\"token operator\">?.<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">as<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>          <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>lat <span class=\"token operator\">&amp;&amp;<\/span> lon<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            polylineOptions<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">LatLng<\/span><span class=\"token punctuation\">(<\/span>lat<span class=\"token punctuation\">,<\/span> lon<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            pointCount<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n          <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token builtin\">console<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">&#096;<\/span><span class=\"token string\">[FieldMapPage] \u6536\u96c6\u5230 <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>pointCount<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token string\"> \u4e2a\u8def\u7ebf\u70b9<\/span><span class=\"token template-punctuation string\">&#096;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ 3. \u7ed8\u5236\u8def\u7ebf<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>pointCount <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      polylineOptions<span class=\"token punctuation\">.<\/span><span class=\"token function\">setWidth<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">12<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>           <span class=\"token comment\">\/\/ \u7ebf\u6761\u5bbd\u5ea6<\/span><br \/>\n      polylineOptions<span class=\"token punctuation\">.<\/span><span class=\"token function\">setColor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0xFF2196F3<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>   <span class=\"token comment\">\/\/ \u84dd\u8272<\/span><br \/>\n      polylineOptions<span class=\"token punctuation\">.<\/span><span class=\"token function\">setZIndex<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">50<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>          <span class=\"token comment\">\/\/ \u5c42\u7ea7&#xff08;\u786e\u4fdd\u5728\u5730\u5757\u6807\u8bb0\u4e4b\u4e0a&#xff09;<\/span><\/p>\n<p>      <span class=\"token keyword\">const<\/span> polyline <span class=\"token operator\">&#061;<\/span> globalAMap<span class=\"token punctuation\">.<\/span><span class=\"token function\">addPolyline<\/span><span class=\"token punctuation\">(<\/span>polylineOptions<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>routePolyline <span class=\"token operator\">&#061;<\/span> polyline <span class=\"token operator\">?<\/span> polyline <span class=\"token operator\">:<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>      <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>routePolyline<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token builtin\">console<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;[FieldMapPage] \u2705 \u8def\u7ebf\u7ed8\u5236\u6210\u529f&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token builtin\">console<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">error<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;[FieldMapPage] \u274c \u6dfb\u52a0\u8def\u7ebf\u5230\u5730\u56fe\u5931\u8d25&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token builtin\">console<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">warn<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;[FieldMapPage] \u6ca1\u6709\u6709\u6548\u7684\u8def\u7ebf\u70b9&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      promptAction<span class=\"token punctuation\">.<\/span><span class=\"token function\">showToast<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><br \/>\n        message<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;\u8def\u7ebf\u6570\u636e\u65e0\u6548&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        duration<span class=\"token operator\">:<\/span> <span class=\"token number\">2000<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span>error<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token builtin\">console<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">error<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;[FieldMapPage] \u7ed8\u5236\u8def\u7ebf\u5931\u8d25:&#039;<\/span><span class=\"token punctuation\">,<\/span> error<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    promptAction<span class=\"token punctuation\">.<\/span><span class=\"token function\">showToast<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><br \/>\n      message<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;\u7ed8\u5236\u8def\u7ebf\u5931\u8d25&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      duration<span class=\"token operator\">:<\/span> <span class=\"token number\">2000<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/**<br \/>\n * \u6e05\u9664\u8def\u7ebf<br \/>\n *\/<\/span><br \/>\n<span class=\"token keyword\">private<\/span> <span class=\"token function\">clearRoute<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>routePolyline<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>routePolyline<span class=\"token punctuation\">.<\/span><span class=\"token function\">remove<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>routePolyline <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>showRouteDialog <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>routeDistance <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>routeTime <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u7ed8\u5236\u8def\u7ebf\u7684\u5173\u952e\u6b65\u9aa4&#xff1a;<\/p>\n<table>\n<tr>\u6b65\u9aa4\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>1. \u6e05\u9664\u65e7\u8def\u7ebf<\/td>\n<td>\u907f\u514d\u591a\u6761\u8def\u7ebf\u91cd\u53e0\u663e\u793a<\/td>\n<\/tr>\n<tr>\n<td>2. \u904d\u5386\u5206\u6bb5<\/td>\n<td>\u8def\u7ebf\u7531\u591a\u4e2a\u5206\u6bb5&#xff08;step&#xff09;\u7ec4\u6210<\/td>\n<\/tr>\n<tr>\n<td>3. \u6536\u96c6\u5750\u6807\u70b9<\/td>\n<td>\u6bcf\u4e2a\u5206\u6bb5\u5305\u542b\u591a\u4e2a\u5750\u6807\u70b9<\/td>\n<\/tr>\n<tr>\n<td>4. \u521b\u5efaPolyline<\/td>\n<td>\u4f7f\u7528 PolylineOptions \u914d\u7f6e\u6837\u5f0f<\/td>\n<\/tr>\n<tr>\n<td>5. \u6dfb\u52a0\u5230\u5730\u56fe<\/td>\n<td>\u8c03\u7528 addPolyline() \u663e\u793a\u8def\u7ebf<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Polyline\u6837\u5f0f\u914d\u7f6e&#xff1a;<\/p>\n<ul>\n<li>setWidth(12)&#xff1a;\u7ebf\u6761\u5bbd\u5ea6&#xff08;\u50cf\u7d20&#xff09;<\/li>\n<li>setColor(0xFF2196F3)&#xff1a;\u989c\u8272&#xff08;ARGB\u683c\u5f0f&#xff0c;\u84dd\u8272&#xff09;<\/li>\n<li>setZIndex(50)&#xff1a;\u5c42\u7ea7&#xff0c;\u6570\u503c\u8d8a\u5927\u8d8a\u5728\u4e0a\u5c42<\/li>\n<\/ul>\n<hr \/>\n<h3>\u4e09\u3001POI\u641c\u7d22\u529f\u80fd\u5b9e\u73b0<\/h3>\n<h4>3.1 \u521d\u59cb\u5316POI\u641c\u7d22\u670d\u52a1<\/h4>\n<p><span class=\"token decorator\"><span class=\"token at operator\">&#064;<\/span><span class=\"token function\">Component<\/span><\/span><br \/>\n<span class=\"token keyword\">export<\/span> struct FieldMapPage <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token comment\">\/\/ POI\u641c\u7d22\u76f8\u5173<\/span><br \/>\n  <span class=\"token keyword\">private<\/span> poiSearch<span class=\"token operator\">:<\/span> PoiSearch <span class=\"token operator\">|<\/span> <span class=\"token keyword\">null<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">private<\/span> poiMarkers<span class=\"token operator\">:<\/span> Marker<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">private<\/span> searchCircle<span class=\"token operator\">:<\/span> MapCircle <span class=\"token operator\">|<\/span> <span class=\"token keyword\">null<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token decorator\"><span class=\"token at operator\">&#064;<\/span><span class=\"token function\">State<\/span><\/span> showPoiSearch<span class=\"token operator\">:<\/span> <span class=\"token builtin\">boolean<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token decorator\"><span class=\"token at operator\">&#064;<\/span><span class=\"token function\">State<\/span><\/span> poiKeyword<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;\u519c\u8d44\u5e97&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token decorator\"><span class=\"token at operator\">&#064;<\/span><span class=\"token function\">State<\/span><\/span> poiResults<span class=\"token operator\">:<\/span> PoiItem<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token decorator\"><span class=\"token at operator\">&#064;<\/span><span class=\"token function\">State<\/span><\/span> searchRadius<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">5000<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u641c\u7d22\u534a\u5f84&#xff08;\u7c73&#xff09;<\/span><\/p>\n<p>  <span class=\"token function\">aboutToAppear<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token keyword\">const<\/span> context <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">getContext<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">as<\/span> Context<span class=\"token punctuation\">;<\/span><\/p>\n<p>      <span class=\"token comment\">\/\/ \u521d\u59cb\u5316POI\u641c\u7d22&#xff08;\u9700\u8981context\u548cundefined\u53c2\u6570&#xff09;<\/span><br \/>\n      <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>poiSearch <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">PoiSearch<\/span><span class=\"token punctuation\">(<\/span>context<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">undefined<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token builtin\">console<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;[FieldMapPage] PoiSearch\u521d\u59cb\u5316\u6210\u529f&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span>error<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token builtin\">console<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">error<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;[FieldMapPage] POI\u641c\u7d22\u521d\u59cb\u5316\u5931\u8d25:&#039;<\/span><span class=\"token punctuation\">,<\/span> error<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>3.2 \u5b9e\u73b0\u5468\u8fb9POI\u641c\u7d22<\/h4>\n<p><span class=\"token comment\">\/**<br \/>\n * \u641c\u7d22\u5468\u8fb9POI<br \/>\n * &#064;param keyword \u641c\u7d22\u5173\u952e\u8bcd&#xff08;\u5982&#xff1a;\u519c\u8d44\u5e97\u3001\u52a0\u6cb9\u7ad9&#xff09;<br \/>\n *\/<\/span><br \/>\n<span class=\"token keyword\">private<\/span> <span class=\"token function\">searchNearbyPoi<\/span><span class=\"token punctuation\">(<\/span>keyword<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token comment\">\/\/ 1. \u68c0\u67e5\u5f53\u524d\u4f4d\u7f6e<\/span><br \/>\n  <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>poiSearch <span class=\"token operator\">||<\/span> <span class=\"token operator\">!<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>currentLocationInfo <span class=\"token operator\">||<\/span><br \/>\n      <span class=\"token operator\">!<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>currentLocationInfo<span class=\"token punctuation\">.<\/span>latitude <span class=\"token operator\">||<\/span> <span class=\"token operator\">!<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>currentLocationInfo<span class=\"token punctuation\">.<\/span>longitude<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    promptAction<span class=\"token punctuation\">.<\/span><span class=\"token function\">showToast<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><br \/>\n      message<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;\u65e0\u6cd5\u83b7\u53d6\u5f53\u524d\u4f4d\u7f6e&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      duration<span class=\"token operator\">:<\/span> <span class=\"token number\">2000<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ 2. \u521b\u5efa\u4e2d\u5fc3\u70b9<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> centerPoint <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">LatLonPoint<\/span><span class=\"token punctuation\">(<\/span><br \/>\n      <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>currentLocationInfo<span class=\"token punctuation\">.<\/span>latitude<span class=\"token punctuation\">,<\/span><br \/>\n      <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>currentLocationInfo<span class=\"token punctuation\">.<\/span>longitude<br \/>\n    <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ 3. \u521b\u5efa\u5706\u5f62\u641c\u7d22\u533a\u57df<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> searchBound <span class=\"token operator\">&#061;<\/span> PoiSearchBound<span class=\"token punctuation\">.<\/span><span class=\"token function\">createCircleSearchBound<\/span><span class=\"token punctuation\">(<\/span><br \/>\n      centerPoint<span class=\"token punctuation\">,<\/span>        <span class=\"token comment\">\/\/ \u4e2d\u5fc3\u70b9<\/span><br \/>\n      <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>searchRadius   <span class=\"token comment\">\/\/ \u534a\u5f84&#xff08;\u7c73&#xff09;<\/span><br \/>\n    <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ 4. \u521b\u5efaPOI\u67e5\u8be2<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> query <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">PoiQuery<\/span><span class=\"token punctuation\">(<\/span><br \/>\n      keyword<span class=\"token punctuation\">,<\/span>  <span class=\"token comment\">\/\/ \u5173\u952e\u8bcd<\/span><br \/>\n      <span class=\"token string\">&#039;&#039;<\/span><span class=\"token punctuation\">,<\/span>       <span class=\"token comment\">\/\/ \u7c7b\u578b&#xff08;\u7a7a\u8868\u793a\u6240\u6709\u7c7b\u578b&#xff09;<\/span><br \/>\n      <span class=\"token string\">&#039;&#039;<\/span>        <span class=\"token comment\">\/\/ \u57ce\u5e02&#xff08;\u7a7a\u8868\u793a\u5168\u56fd&#xff09;<\/span><br \/>\n    <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    query<span class=\"token punctuation\">.<\/span><span class=\"token function\">setPageSize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">20<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>      <span class=\"token comment\">\/\/ \u6bcf\u9875\u7ed3\u679c\u6570<\/span><br \/>\n    query<span class=\"token punctuation\">.<\/span><span class=\"token function\">setPageNum<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>        <span class=\"token comment\">\/\/ \u9875\u7801&#xff08;\u4ece0\u5f00\u59cb&#xff09;<\/span><br \/>\n    query<span class=\"token punctuation\">.<\/span><span class=\"token function\">setExtensions<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;all&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u83b7\u53d6\u5b8c\u6574\u4fe1\u606f<\/span><\/p>\n<p>    <span class=\"token builtin\">console<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">&#096;<\/span><span class=\"token string\">[FieldMapPage] POI\u641c\u7d22: <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>keyword<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token string\">, \u534a\u5f84: <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>searchRadius<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token string\">\u7c73<\/span><span class=\"token template-punctuation string\">&#096;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ 5. \u8bbe\u7f6e\u76d1\u542c\u5668<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> listener<span class=\"token operator\">:<\/span> OnPoiSearchListener <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      onPoiSearched<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">(<\/span>result<span class=\"token operator\">:<\/span> PoiResult <span class=\"token operator\">|<\/span> <span class=\"token keyword\">undefined<\/span><span class=\"token punctuation\">,<\/span> errorCode<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">handlePoiResult<\/span><span class=\"token punctuation\">(<\/span>result<span class=\"token punctuation\">,<\/span> errorCode<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      <span class=\"token function-variable function\">onPoiItemSearched<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ 6. \u6267\u884c\u641c\u7d22<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>poiSearch<span class=\"token punctuation\">.<\/span><span class=\"token function\">setOnPoiSearchListener<\/span><span class=\"token punctuation\">(<\/span>listener<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>poiSearch<span class=\"token punctuation\">.<\/span><span class=\"token function\">setBound<\/span><span class=\"token punctuation\">(<\/span>searchBound<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>poiSearch<span class=\"token punctuation\">.<\/span><span class=\"token function\">setQuery<\/span><span class=\"token punctuation\">(<\/span>query<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>poiSearch<span class=\"token punctuation\">.<\/span><span class=\"token function\">searchPOIAsyn<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    promptAction<span class=\"token punctuation\">.<\/span><span class=\"token function\">showToast<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><br \/>\n      message<span class=\"token operator\">:<\/span> <span class=\"token template-string\"><span class=\"token template-punctuation string\">&#096;<\/span><span class=\"token string\">\u6b63\u5728\u641c\u7d22<\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>keyword<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token string\">&#8230;<\/span><span class=\"token template-punctuation string\">&#096;<\/span><\/span><span class=\"token punctuation\">,<\/span><br \/>\n      duration<span class=\"token operator\">:<\/span> <span class=\"token number\">1500<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span>error<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token builtin\">console<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">error<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;[FieldMapPage] POI\u641c\u7d22\u5931\u8d25:&#039;<\/span><span class=\"token punctuation\">,<\/span> error<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    promptAction<span class=\"token punctuation\">.<\/span><span class=\"token function\">showToast<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><br \/>\n      message<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;POI\u641c\u7d22\u5931\u8d25&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      duration<span class=\"token operator\">:<\/span> <span class=\"token number\">2000<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>POI\u641c\u7d22\u53c2\u6570\u8bf4\u660e&#xff1a;<\/p>\n<table>\n<tr>\u53c2\u6570\u8bf4\u660e\u793a\u4f8b<\/tr>\n<tbody>\n<tr>\n<td>keyword<\/td>\n<td>\u641c\u7d22\u5173\u952e\u8bcd<\/td>\n<td>\u2018\u519c\u8d44\u5e97\u2019\u3001\u2018\u52a0\u6cb9\u7ad9\u2019\u3001\u2018\u519c\u673a\u79df\u8d41\u2019<\/td>\n<\/tr>\n<tr>\n<td>category<\/td>\n<td>POI\u7c7b\u578b\u7801<\/td>\n<td>\u7559\u7a7a\u8868\u793a\u6240\u6709\u7c7b\u578b<\/td>\n<\/tr>\n<tr>\n<td>city<\/td>\n<td>\u57ce\u5e02\u540d\u79f0<\/td>\n<td>\u7559\u7a7a\u8868\u793a\u5168\u56fd\u8303\u56f4<\/td>\n<\/tr>\n<tr>\n<td>searchRadius<\/td>\n<td>\u641c\u7d22\u534a\u5f84<\/td>\n<td>5000&#xff08;5\u516c\u91cc&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>pageSize<\/td>\n<td>\u6bcf\u9875\u7ed3\u679c\u6570<\/td>\n<td>20&#xff08;\u6700\u592750&#xff09;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>3.3 \u5904\u7406POI\u641c\u7d22\u7ed3\u679c<\/h4>\n<p><span class=\"token comment\">\/**<br \/>\n * \u5904\u7406POI\u641c\u7d22\u7ed3\u679c<br \/>\n *\/<\/span><br \/>\n<span class=\"token keyword\">private<\/span> <span class=\"token function\">handlePoiResult<\/span><span class=\"token punctuation\">(<\/span>result<span class=\"token operator\">:<\/span> PoiResult <span class=\"token operator\">|<\/span> <span class=\"token keyword\">undefined<\/span><span class=\"token punctuation\">,<\/span> errorCode<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token builtin\">console<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">&#096;<\/span><span class=\"token string\">[FieldMapPage] POI\u641c\u7d22\u56de\u8c03, errorCode: <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>errorCode<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">&#096;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>globalAMap<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token builtin\">console<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">error<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;[FieldMapPage] \u5730\u56fe\u5bf9\u8c61\u4e3a\u7a7a&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token comment\">\/\/ \u6e05\u9664\u65e7\u7ed3\u679c<\/span><br \/>\n  <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">clearPoiResults<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>errorCode <span class=\"token operator\">&#061;&#061;&#061;<\/span> AMapException<span class=\"token punctuation\">.<\/span><span class=\"token constant\">CODE_AMAP_SUCCESS<\/span> <span class=\"token operator\">&amp;&amp;<\/span> result<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token builtin\">console<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;[FieldMapPage] \u2705 POI\u641c\u7d22\u6210\u529f&#xff01;&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">const<\/span> pois <span class=\"token operator\">&#061;<\/span> result<span class=\"token punctuation\">.<\/span><span class=\"token function\">getPois<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token builtin\">console<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">&#096;<\/span><span class=\"token string\">[FieldMapPage] \u627e\u5230 <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>pois <span class=\"token operator\">?<\/span> pois<span class=\"token punctuation\">.<\/span>length <span class=\"token operator\">:<\/span> <span class=\"token number\">0<\/span><span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token string\"> \u4e2aPOI<\/span><span class=\"token template-punctuation string\">&#096;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>pois <span class=\"token operator\">&amp;&amp;<\/span> pois<span class=\"token punctuation\">.<\/span>length <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token comment\">\/\/ 1. \u5c06ArrayList\u8f6c\u6362\u4e3a\u6570\u7ec4<\/span><br \/>\n      <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>poiResults <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">let<\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> pois<span class=\"token punctuation\">.<\/span>length<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>poiResults<span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span>pois<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><\/p>\n<p>      <span class=\"token comment\">\/\/ 2. \u5728\u5730\u56fe\u4e0a\u6dfb\u52a0POI\u6807\u8bb0<\/span><br \/>\n      <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> poi <span class=\"token keyword\">of<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>poiResults<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">const<\/span> latLon <span class=\"token operator\">&#061;<\/span> poi<span class=\"token punctuation\">.<\/span><span class=\"token function\">getLatLonPoint<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>latLon<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n          <span class=\"token keyword\">const<\/span> markerOptions<span class=\"token operator\">:<\/span> MarkerOptions <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">MarkerOptions<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n          markerOptions<span class=\"token punctuation\">.<\/span><span class=\"token function\">setPosition<\/span><span class=\"token punctuation\">(<\/span><br \/>\n            <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">LatLng<\/span><span class=\"token punctuation\">(<\/span>latLon<span class=\"token punctuation\">.<\/span><span class=\"token function\">getLatitude<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> latLon<span class=\"token punctuation\">.<\/span><span class=\"token function\">getLongitude<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n          <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n          markerOptions<span class=\"token punctuation\">.<\/span><span class=\"token function\">setTitle<\/span><span class=\"token punctuation\">(<\/span>poi<span class=\"token punctuation\">.<\/span><span class=\"token function\">getTitle<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n          markerOptions<span class=\"token punctuation\">.<\/span><span class=\"token function\">setSnippet<\/span><span class=\"token punctuation\">(<\/span>poi<span class=\"token punctuation\">.<\/span><span class=\"token function\">getSnippet<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n          markerOptions<span class=\"token punctuation\">.<\/span><span class=\"token function\">setZIndex<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">15<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u5c42\u7ea7\u9ad8\u4e8e\u5730\u5757\u6807\u8bb0<\/span><br \/>\n          markerOptions<span class=\"token punctuation\">.<\/span><span class=\"token function\">setAnchor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0.5<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n          <span class=\"token comment\">\/\/ \u4f7f\u7528\u7d2b\u7ea2\u8272\u6807\u8bb0&#xff0c;\u533a\u522b\u4e8e\u5730\u5757\u6807\u8bb0<\/span><br \/>\n          markerOptions<span class=\"token punctuation\">.<\/span><span class=\"token function\">setIcon<\/span><span class=\"token punctuation\">(<\/span><br \/>\n            BitmapDescriptorFactory<span class=\"token punctuation\">.<\/span><span class=\"token function\">defaultMarker<\/span><span class=\"token punctuation\">(<\/span>BitmapDescriptorFactory<span class=\"token punctuation\">.<\/span><span class=\"token constant\">HUE_MAGENTA<\/span><span class=\"token punctuation\">)<\/span><br \/>\n          <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>          <span class=\"token keyword\">const<\/span> marker <span class=\"token operator\">&#061;<\/span> globalAMap<span class=\"token punctuation\">.<\/span><span class=\"token function\">addMarker<\/span><span class=\"token punctuation\">(<\/span>markerOptions<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n          <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>marker<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>poiMarkers<span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span>marker<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n          <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><\/p>\n<p>      <span class=\"token comment\">\/\/ 3. \u7ed8\u5236\u641c\u7d22\u8303\u56f4\u5706\u5708<\/span><br \/>\n      <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>currentLocationInfo<span class=\"token operator\">?.<\/span>latitude <span class=\"token operator\">&amp;&amp;<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>currentLocationInfo<span class=\"token operator\">?.<\/span>longitude<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">const<\/span> circleOptions<span class=\"token operator\">:<\/span> CircleOptions <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">CircleOptions<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        circleOptions<span class=\"token punctuation\">.<\/span><span class=\"token function\">setCenter<\/span><span class=\"token punctuation\">(<\/span><br \/>\n          <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">LatLng<\/span><span class=\"token punctuation\">(<\/span><br \/>\n            <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>currentLocationInfo<span class=\"token punctuation\">.<\/span>latitude<span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>currentLocationInfo<span class=\"token punctuation\">.<\/span>longitude<br \/>\n          <span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        circleOptions<span class=\"token punctuation\">.<\/span><span class=\"token function\">setRadius<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>searchRadius<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        circleOptions<span class=\"token punctuation\">.<\/span><span class=\"token function\">setStrokeColor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0x88FF5722<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u534a\u900f\u660e\u6a59\u8272\u8fb9\u6846<\/span><br \/>\n        circleOptions<span class=\"token punctuation\">.<\/span><span class=\"token function\">setStrokeWidth<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        circleOptions<span class=\"token punctuation\">.<\/span><span class=\"token function\">setFillColor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0x22FF5722<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>    <span class=\"token comment\">\/\/ \u534a\u900f\u660e\u6a59\u8272\u586b\u5145<\/span><\/p>\n<p>        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>searchCircle <span class=\"token operator\">&#061;<\/span> globalAMap<span class=\"token punctuation\">.<\/span><span class=\"token function\">addCircle<\/span><span class=\"token punctuation\">(<\/span>circleOptions<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><\/p>\n<p>      promptAction<span class=\"token punctuation\">.<\/span><span class=\"token function\">showToast<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><br \/>\n        message<span class=\"token operator\">:<\/span> <span class=\"token template-string\"><span class=\"token template-punctuation string\">&#096;<\/span><span class=\"token string\">\u627e\u5230 <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>poiResults<span class=\"token punctuation\">.<\/span>length<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token string\"> \u4e2a\u7ed3\u679c<\/span><span class=\"token template-punctuation string\">&#096;<\/span><\/span><span class=\"token punctuation\">,<\/span><br \/>\n        duration<span class=\"token operator\">:<\/span> <span class=\"token number\">2000<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      promptAction<span class=\"token punctuation\">.<\/span><span class=\"token function\">showToast<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><br \/>\n        message<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;\u672a\u627e\u5230\u76f8\u5173POI&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        duration<span class=\"token operator\">:<\/span> <span class=\"token number\">2000<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token builtin\">console<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">error<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;[FieldMapPage] POI\u641c\u7d22\u5931\u8d25, errorCode:&#039;<\/span><span class=\"token punctuation\">,<\/span> errorCode<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    promptAction<span class=\"token punctuation\">.<\/span><span class=\"token function\">showToast<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><br \/>\n      message<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;POI\u641c\u7d22\u5931\u8d25&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      duration<span class=\"token operator\">:<\/span> <span class=\"token number\">2000<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/**<br \/>\n * \u6e05\u9664POI\u641c\u7d22\u7ed3\u679c<br \/>\n *\/<\/span><br \/>\n<span class=\"token keyword\">private<\/span> <span class=\"token function\">clearPoiResults<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token comment\">\/\/ \u6e05\u9664POI\u6807\u8bb0<\/span><br \/>\n  <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> marker <span class=\"token keyword\">of<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>poiMarkers<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    marker<span class=\"token punctuation\">.<\/span><span class=\"token function\">remove<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>poiMarkers <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token comment\">\/\/ \u6e05\u9664\u641c\u7d22\u8303\u56f4\u5706\u5708<\/span><br \/>\n  <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>searchCircle<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>searchCircle<span class=\"token punctuation\">.<\/span><span class=\"token function\">remove<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>searchCircle <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token comment\">\/\/ \u6e05\u9664\u7ed3\u679c\u5217\u8868<\/span><br \/>\n  <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>poiResults <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>POI\u7ed3\u679c\u5904\u7406\u8981\u70b9&#xff1a;<\/p>\n<table>\n<tr>\u6b65\u9aa4\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>1. \u6e05\u9664\u65e7\u7ed3\u679c<\/td>\n<td>\u907f\u514d\u591a\u6b21\u641c\u7d22\u7ed3\u679c\u53e0\u52a0<\/td>\n<\/tr>\n<tr>\n<td>2. \u8f6c\u6362\u6570\u636e<\/td>\n<td>\u5c06ArrayList\u8f6c\u4e3aTypeScript\u6570\u7ec4<\/td>\n<\/tr>\n<tr>\n<td>3. \u6dfb\u52a0\u6807\u8bb0<\/td>\n<td>\u4f7f\u7528\u7d2b\u7ea2\u8272\u6807\u8bb0\u533a\u5206POI\u548c\u5730\u5757<\/td>\n<\/tr>\n<tr>\n<td>4. \u7ed8\u5236\u8303\u56f4<\/td>\n<td>\u7528\u5706\u5708\u663e\u793a\u641c\u7d22\u8303\u56f4<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>3.4 POI\u641c\u7d22UI\u5b9e\u73b0<\/h4>\n<p>\u5728\u5730\u56fe\u9875\u9762\u6dfb\u52a0POI\u641c\u7d22\u9762\u677f&#xff1a;<\/p>\n<p><span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token function\">Stack<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span> alignContent<span class=\"token operator\">:<\/span> Alignment<span class=\"token punctuation\">.<\/span>TopStart <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5730\u56fe\u7ec4\u4ef6<\/span><br \/>\n    <span class=\"token function\">MapViewComponent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span> mapOptions<span class=\"token operator\">:<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>mapOptions <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n      <span class=\"token punctuation\">.<\/span><span class=\"token function\">width<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;100%&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n      <span class=\"token punctuation\">.<\/span><span class=\"token function\">height<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;100%&#039;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ POI\u641c\u7d22\u9762\u677f<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>showPoiSearch<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token function\">Column<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u641c\u7d22\u5173\u952e\u8bcd\u9009\u62e9<\/span><br \/>\n        <span class=\"token function\">Row<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n          <span class=\"token function\">Text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\u641c\u7d22\u7c7b\u578b:&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">fontSize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">14<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">fontColor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;#333333&#039;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>          <span class=\"token comment\">\/\/ \u5feb\u6377\u5173\u952e\u8bcd\u6309\u94ae<\/span><br \/>\n          <span class=\"token function\">Button<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\u519c\u8d44\u5e97&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">fontSize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">12<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">padding<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span> left<span class=\"token operator\">:<\/span> <span class=\"token number\">12<\/span><span class=\"token punctuation\">,<\/span> right<span class=\"token operator\">:<\/span> <span class=\"token number\">12<\/span><span class=\"token punctuation\">,<\/span> top<span class=\"token operator\">:<\/span> <span class=\"token number\">6<\/span><span class=\"token punctuation\">,<\/span> bottom<span class=\"token operator\">:<\/span> <span class=\"token number\">6<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">backgroundColor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>poiKeyword <span class=\"token operator\">&#061;&#061;&#061;<\/span> <span class=\"token string\">&#039;\u519c\u8d44\u5e97&#039;<\/span> <span class=\"token operator\">?<\/span> <span class=\"token string\">&#039;#4CAF50&#039;<\/span> <span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;#E0E0E0&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">fontColor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>poiKeyword <span class=\"token operator\">&#061;&#061;&#061;<\/span> <span class=\"token string\">&#039;\u519c\u8d44\u5e97&#039;<\/span> <span class=\"token operator\">?<\/span> <span class=\"token string\">&#039;#FFFFFF&#039;<\/span> <span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;#666666&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">onClick<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n              <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>poiKeyword <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;\u519c\u8d44\u5e97&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n              <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">searchNearbyPoi<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>poiKeyword<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>          <span class=\"token function\">Button<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\u519c\u673a\u79df\u8d41&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">fontSize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">12<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">padding<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span> left<span class=\"token operator\">:<\/span> <span class=\"token number\">12<\/span><span class=\"token punctuation\">,<\/span> right<span class=\"token operator\">:<\/span> <span class=\"token number\">12<\/span><span class=\"token punctuation\">,<\/span> top<span class=\"token operator\">:<\/span> <span class=\"token number\">6<\/span><span class=\"token punctuation\">,<\/span> bottom<span class=\"token operator\">:<\/span> <span class=\"token number\">6<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">backgroundColor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>poiKeyword <span class=\"token operator\">&#061;&#061;&#061;<\/span> <span class=\"token string\">&#039;\u519c\u673a\u79df\u8d41&#039;<\/span> <span class=\"token operator\">?<\/span> <span class=\"token string\">&#039;#4CAF50&#039;<\/span> <span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;#E0E0E0&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">fontColor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>poiKeyword <span class=\"token operator\">&#061;&#061;&#061;<\/span> <span class=\"token string\">&#039;\u519c\u673a\u79df\u8d41&#039;<\/span> <span class=\"token operator\">?<\/span> <span class=\"token string\">&#039;#FFFFFF&#039;<\/span> <span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;#666666&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">onClick<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n              <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>poiKeyword <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;\u519c\u673a\u79df\u8d41&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n              <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">searchNearbyPoi<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>poiKeyword<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>          <span class=\"token function\">Button<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\u52a0\u6cb9\u7ad9&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">fontSize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">12<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">padding<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span> left<span class=\"token operator\">:<\/span> <span class=\"token number\">12<\/span><span class=\"token punctuation\">,<\/span> right<span class=\"token operator\">:<\/span> <span class=\"token number\">12<\/span><span class=\"token punctuation\">,<\/span> top<span class=\"token operator\">:<\/span> <span class=\"token number\">6<\/span><span class=\"token punctuation\">,<\/span> bottom<span class=\"token operator\">:<\/span> <span class=\"token number\">6<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">backgroundColor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>poiKeyword <span class=\"token operator\">&#061;&#061;&#061;<\/span> <span class=\"token string\">&#039;\u52a0\u6cb9\u7ad9&#039;<\/span> <span class=\"token operator\">?<\/span> <span class=\"token string\">&#039;#4CAF50&#039;<\/span> <span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;#E0E0E0&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">fontColor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>poiKeyword <span class=\"token operator\">&#061;&#061;&#061;<\/span> <span class=\"token string\">&#039;\u52a0\u6cb9\u7ad9&#039;<\/span> <span class=\"token operator\">?<\/span> <span class=\"token string\">&#039;#FFFFFF&#039;<\/span> <span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;#666666&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">onClick<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n              <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>poiKeyword <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;\u52a0\u6cb9\u7ad9&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n              <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">searchNearbyPoi<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>poiKeyword<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">width<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;100%&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">justifyContent<\/span><span class=\"token punctuation\">(<\/span>FlexAlign<span class=\"token punctuation\">.<\/span>SpaceBetween<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">padding<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">12<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u641c\u7d22\u534a\u5f84\u8c03\u6574<\/span><br \/>\n        <span class=\"token function\">Row<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n          <span class=\"token function\">Text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\u641c\u7d22\u534a\u5f84:&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">fontSize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">14<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">fontColor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;#333333&#039;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>          <span class=\"token function\">Slider<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><br \/>\n            value<span class=\"token operator\">:<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>searchRadius<span class=\"token punctuation\">,<\/span><br \/>\n            min<span class=\"token operator\">:<\/span> <span class=\"token number\">1000<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            max<span class=\"token operator\">:<\/span> <span class=\"token number\">50000<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            step<span class=\"token operator\">:<\/span> <span class=\"token number\">1000<\/span><br \/>\n          <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">width<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">150<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">onChange<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>value<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n              <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>searchRadius <span class=\"token operator\">&#061;<\/span> value<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>          <span class=\"token function\">Text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">&#096;<\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>searchRadius <span class=\"token operator\">\/<\/span> <span class=\"token number\">1000<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">toFixed<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token string\">\u516c\u91cc<\/span><span class=\"token template-punctuation string\">&#096;<\/span><\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">fontSize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">12<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">fontColor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;#666666&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">width<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;100%&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">justifyContent<\/span><span class=\"token punctuation\">(<\/span>FlexAlign<span class=\"token punctuation\">.<\/span>SpaceBetween<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">padding<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span> left<span class=\"token operator\">:<\/span> <span class=\"token number\">12<\/span><span class=\"token punctuation\">,<\/span> right<span class=\"token operator\">:<\/span> <span class=\"token number\">12<\/span><span class=\"token punctuation\">,<\/span> bottom<span class=\"token operator\">:<\/span> <span class=\"token number\">12<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u641c\u7d22\u7ed3\u679c\u5217\u8868<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>poiResults<span class=\"token punctuation\">.<\/span>length <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n          <span class=\"token function\">List<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">ForEach<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>poiResults<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span>poi<span class=\"token operator\">:<\/span> PoiItem<span class=\"token punctuation\">,<\/span> index<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n              <span class=\"token function\">ListItem<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token function\">Row<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                  <span class=\"token function\">Column<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    <span class=\"token function\">Text<\/span><span class=\"token punctuation\">(<\/span>poi<span class=\"token punctuation\">.<\/span><span class=\"token function\">getTitle<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                      <span class=\"token punctuation\">.<\/span><span class=\"token function\">fontSize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">14<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                      <span class=\"token punctuation\">.<\/span><span class=\"token function\">fontWeight<\/span><span class=\"token punctuation\">(<\/span>FontWeight<span class=\"token punctuation\">.<\/span>Medium<span class=\"token punctuation\">)<\/span><br \/>\n                      <span class=\"token punctuation\">.<\/span><span class=\"token function\">fontColor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;#333333&#039;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>                    <span class=\"token function\">Text<\/span><span class=\"token punctuation\">(<\/span>poi<span class=\"token punctuation\">.<\/span><span class=\"token function\">getSnippet<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                      <span class=\"token punctuation\">.<\/span><span class=\"token function\">fontSize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">12<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                      <span class=\"token punctuation\">.<\/span><span class=\"token function\">fontColor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;#999999&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                      <span class=\"token punctuation\">.<\/span><span class=\"token function\">margin<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span> top<span class=\"token operator\">:<\/span> <span class=\"token number\">4<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>                    <span class=\"token comment\">\/\/ \u8ddd\u79bb\u4fe1\u606f<\/span><br \/>\n                    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>poi<span class=\"token punctuation\">.<\/span><span class=\"token function\">getDistance<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                      <span class=\"token function\">Text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">&#096;<\/span><span class=\"token string\">\u8ddd\u79bb: <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span><span class=\"token punctuation\">(<\/span>poi<span class=\"token punctuation\">.<\/span><span class=\"token function\">getDistance<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">\/<\/span> <span class=\"token number\">1000<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">toFixed<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token string\">\u516c\u91cc<\/span><span class=\"token template-punctuation string\">&#096;<\/span><\/span><span class=\"token punctuation\">)<\/span><br \/>\n                        <span class=\"token punctuation\">.<\/span><span class=\"token function\">fontSize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">11<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                        <span class=\"token punctuation\">.<\/span><span class=\"token function\">fontColor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;#4CAF50&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                        <span class=\"token punctuation\">.<\/span><span class=\"token function\">margin<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span> top<span class=\"token operator\">:<\/span> <span class=\"token number\">4<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">}<\/span><br \/>\n                  <span class=\"token punctuation\">}<\/span><br \/>\n                  <span class=\"token punctuation\">.<\/span><span class=\"token function\">alignItems<\/span><span class=\"token punctuation\">(<\/span>HorizontalAlign<span class=\"token punctuation\">.<\/span>Start<span class=\"token punctuation\">)<\/span><br \/>\n                  <span class=\"token punctuation\">.<\/span><span class=\"token function\">layoutWeight<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>                  <span class=\"token comment\">\/\/ \u5bfc\u822a\u6309\u94ae<\/span><br \/>\n                  <span class=\"token function\">Button<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\u5bfc\u822a&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">fontSize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">12<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">padding<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span> left<span class=\"token operator\">:<\/span> <span class=\"token number\">12<\/span><span class=\"token punctuation\">,<\/span> right<span class=\"token operator\">:<\/span> <span class=\"token number\">12<\/span><span class=\"token punctuation\">,<\/span> top<span class=\"token operator\">:<\/span> <span class=\"token number\">6<\/span><span class=\"token punctuation\">,<\/span> bottom<span class=\"token operator\">:<\/span> <span class=\"token number\">6<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">backgroundColor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;#2196F3&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">onClick<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                      <span class=\"token keyword\">const<\/span> latLon <span class=\"token operator\">&#061;<\/span> poi<span class=\"token punctuation\">.<\/span><span class=\"token function\">getLatLonPoint<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                      <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>latLon <span class=\"token operator\">&amp;&amp;<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>currentLocationInfo<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">searchDriveRoute<\/span><span class=\"token punctuation\">(<\/span><br \/>\n                          <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>currentLocationInfo<span class=\"token punctuation\">.<\/span>latitude<span class=\"token operator\">!<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                          <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>currentLocationInfo<span class=\"token punctuation\">.<\/span>longitude<span class=\"token operator\">!<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                          latLon<span class=\"token punctuation\">.<\/span><span class=\"token function\">getLatitude<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                          latLon<span class=\"token punctuation\">.<\/span><span class=\"token function\">getLongitude<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                        <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                      <span class=\"token punctuation\">}<\/span><br \/>\n                    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">width<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;100%&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">padding<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">12<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">backgroundColor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;#FFFFFF&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n              <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span>poi<span class=\"token operator\">:<\/span> PoiItem<span class=\"token punctuation\">,<\/span> index<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> index<span class=\"token punctuation\">.<\/span><span class=\"token function\">toString<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n          <span class=\"token punctuation\">}<\/span><br \/>\n          <span class=\"token punctuation\">.<\/span><span class=\"token function\">width<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;100%&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n          <span class=\"token punctuation\">.<\/span><span class=\"token function\">maxHeight<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">300<\/span><span class=\"token punctuation\">)<\/span><br \/>\n          <span class=\"token punctuation\">.<\/span><span class=\"token function\">backgroundColor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;#F5F5F5&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u5173\u95ed\u6309\u94ae<\/span><br \/>\n        <span class=\"token function\">Button<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\u5173\u95ed&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n          <span class=\"token punctuation\">.<\/span><span class=\"token function\">width<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;100%&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n          <span class=\"token punctuation\">.<\/span><span class=\"token function\">fontSize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">14<\/span><span class=\"token punctuation\">)<\/span><br \/>\n          <span class=\"token punctuation\">.<\/span><span class=\"token function\">backgroundColor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;#FF5722&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n          <span class=\"token punctuation\">.<\/span><span class=\"token function\">onClick<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>showPoiSearch <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">clearPoiResults<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n          <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n          <span class=\"token punctuation\">.<\/span><span class=\"token function\">margin<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span> top<span class=\"token operator\">:<\/span> <span class=\"token number\">8<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><br \/>\n      <span class=\"token punctuation\">.<\/span><span class=\"token function\">width<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;90%&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n      <span class=\"token punctuation\">.<\/span><span class=\"token function\">backgroundColor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;#FFFFFF&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n      <span class=\"token punctuation\">.<\/span><span class=\"token function\">borderRadius<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">12<\/span><span class=\"token punctuation\">)<\/span><br \/>\n      <span class=\"token punctuation\">.<\/span><span class=\"token function\">shadow<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span> radius<span class=\"token operator\">:<\/span> <span class=\"token number\">8<\/span><span class=\"token punctuation\">,<\/span> color<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;#33000000&#039;<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n      <span class=\"token punctuation\">.<\/span><span class=\"token function\">padding<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">16<\/span><span class=\"token punctuation\">)<\/span><br \/>\n      <span class=\"token punctuation\">.<\/span><span class=\"token function\">margin<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span> top<span class=\"token operator\">:<\/span> <span class=\"token number\">80<\/span><span class=\"token punctuation\">,<\/span> left<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;5%&#039;<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token punctuation\">.<\/span><span class=\"token function\">width<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;100%&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n  <span class=\"token punctuation\">.<\/span><span class=\"token function\">height<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;100%&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>UI\u8bbe\u8ba1\u8981\u70b9&#xff1a;<\/p>\n<ul>\n<li>\u63d0\u4f9b\u5feb\u6377\u5173\u952e\u8bcd\u6309\u94ae&#xff08;\u519c\u8d44\u5e97\u3001\u519c\u673a\u79df\u8d41\u3001\u52a0\u6cb9\u7ad9&#xff09;<\/li>\n<li>\u53ef\u8c03\u8282\u641c\u7d22\u534a\u5f84&#xff08;1-50\u516c\u91cc&#xff09;<\/li>\n<li>\u5217\u8868\u5c55\u793a\u641c\u7d22\u7ed3\u679c&#xff0c;\u5305\u542b\u8ddd\u79bb\u4fe1\u606f<\/li>\n<li>\u6bcf\u4e2a\u7ed3\u679c\u63d0\u4f9b\u5bfc\u822a\u6309\u94ae&#xff0c;\u53ef\u76f4\u63a5\u89c4\u5212\u8def\u7ebf<\/li>\n<\/ul>\n<hr \/>\n<h3>\u56db\u3001\u5929\u6c14\u67e5\u8be2\u529f\u80fd<\/h3>\n<h4>4.1 \u5b9e\u73b0\u5929\u6c14\u67e5\u8be2<\/h4>\n<p><span class=\"token comment\">\/**<br \/>\n * \u67e5\u8be2\u5f53\u524d\u57ce\u5e02\u5929\u6c14<br \/>\n * &#064;param cityName \u57ce\u5e02\u540d\u79f0<br \/>\n *\/<\/span><br \/>\n<span class=\"token keyword\">private<\/span> <span class=\"token function\">searchWeather<\/span><span class=\"token punctuation\">(<\/span>cityName<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>cityName<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token builtin\">console<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">warn<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;[FieldMapPage] \u57ce\u5e02\u540d\u79f0\u4e3a\u7a7a&#xff0c;\u65e0\u6cd5\u67e5\u8be2\u5929\u6c14&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> context <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">getContext<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">as<\/span> Context<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u521b\u5efa\u5929\u6c14\u641c\u7d22\u76d1\u542c\u5668<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> weatherSearchListener<span class=\"token operator\">:<\/span> OnWeatherSearchListener <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      onWeatherLiveSearched<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">(<\/span><br \/>\n        weatherLiveResult<span class=\"token operator\">:<\/span> LocalWeatherLiveResult <span class=\"token operator\">|<\/span> <span class=\"token keyword\">undefined<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        errorCode<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><br \/>\n      <span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>errorCode <span class=\"token operator\">&#061;&#061;&#061;<\/span> AMapException<span class=\"token punctuation\">.<\/span><span class=\"token constant\">CODE_AMAP_SUCCESS<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n          <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>weatherLiveResult <span class=\"token operator\">&amp;&amp;<\/span> weatherLiveResult<span class=\"token punctuation\">.<\/span><span class=\"token function\">getLiveResult<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">const<\/span> liveWeather<span class=\"token operator\">:<\/span> LocalWeatherLive <span class=\"token operator\">&#061;<\/span> weatherLiveResult<span class=\"token punctuation\">.<\/span><span class=\"token function\">getLiveResult<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u66f4\u65b0\u5929\u6c14\u4fe1\u606f<\/span><br \/>\n            <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>currentWeather <span class=\"token operator\">&#061;<\/span> liveWeather<span class=\"token punctuation\">.<\/span><span class=\"token function\">getWeather<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <span class=\"token string\">&#039;&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>currentTemperature <span class=\"token operator\">&#061;<\/span> liveWeather<span class=\"token punctuation\">.<\/span><span class=\"token function\">getTemperature<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <span class=\"token string\">&#039;&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>windDirection <span class=\"token operator\">&#061;<\/span> liveWeather<span class=\"token punctuation\">.<\/span><span class=\"token function\">getWindDirection<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <span class=\"token string\">&#039;&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>windPower <span class=\"token operator\">&#061;<\/span> liveWeather<span class=\"token punctuation\">.<\/span><span class=\"token function\">getWindPower<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <span class=\"token string\">&#039;&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>humidity <span class=\"token operator\">&#061;<\/span> liveWeather<span class=\"token punctuation\">.<\/span><span class=\"token function\">getHumidity<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <span class=\"token string\">&#039;&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>reportTime <span class=\"token operator\">&#061;<\/span> liveWeather<span class=\"token punctuation\">.<\/span><span class=\"token function\">getReportTime<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <span class=\"token string\">&#039;&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token builtin\">console<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">&#096;<\/span><span class=\"token string\">[FieldMapPage] \u2705 \u5929\u6c14\u67e5\u8be2\u6210\u529f: <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>currentWeather<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token string\"> <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>currentTemperature<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token string\">\u00b0C<\/span><span class=\"token template-punctuation string\">&#096;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n          <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n          <span class=\"token builtin\">console<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">error<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">&#096;<\/span><span class=\"token string\">[FieldMapPage] \u274c \u5929\u6c14\u67e5\u8be2\u5931\u8d25&#xff0c;\u9519\u8bef\u7801: <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>errorCode<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">&#096;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      onWeatherForecastSearched<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u4e0d\u5904\u7406\u9884\u62a5\u5929\u6c14<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u521b\u5efa\u5929\u6c14\u67e5\u8be2<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> query <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">WeatherSearchQuery<\/span><span class=\"token punctuation\">(<\/span><br \/>\n      cityName<span class=\"token punctuation\">,<\/span><br \/>\n      WeatherSearchQuery<span class=\"token punctuation\">.<\/span><span class=\"token constant\">WEATHER_TYPE_LIVE<\/span>  <span class=\"token comment\">\/\/ \u5b9e\u65f6\u5929\u6c14<\/span><br \/>\n    <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">const<\/span> weatherSearch <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">WeatherSearch<\/span><span class=\"token punctuation\">(<\/span>context<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    weatherSearch<span class=\"token punctuation\">.<\/span><span class=\"token function\">setOnWeatherSearchListener<\/span><span class=\"token punctuation\">(<\/span>weatherSearchListener<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    weatherSearch<span class=\"token punctuation\">.<\/span><span class=\"token function\">setQuery<\/span><span class=\"token punctuation\">(<\/span>query<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    weatherSearch<span class=\"token punctuation\">.<\/span><span class=\"token function\">searchWeatherAsyn<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token builtin\">console<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">&#096;<\/span><span class=\"token string\">[FieldMapPage] \u5f00\u59cb\u67e5\u8be2\u5929\u6c14: <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>cityName<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">&#096;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span>error<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token builtin\">console<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">error<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;[FieldMapPage] \u5929\u6c14\u67e5\u8be2\u5f02\u5e38:&#039;<\/span><span class=\"token punctuation\">,<\/span> error<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/**<br \/>\n * \u6839\u636e\u5929\u6c14\u63cf\u8ff0\u8fd4\u56de\u5bf9\u5e94\u56fe\u6807<br \/>\n *\/<\/span><br \/>\n<span class=\"token keyword\">private<\/span> <span class=\"token function\">getWeatherIcon<\/span><span class=\"token punctuation\">(<\/span>weather<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>weather<span class=\"token punctuation\">.<\/span><span class=\"token function\">includes<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\u6674&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#039;\u2600\ufe0f&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>weather<span class=\"token punctuation\">.<\/span><span class=\"token function\">includes<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\u4e91&#039;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> weather<span class=\"token punctuation\">.<\/span><span class=\"token function\">includes<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\u9634&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#039;\u2601\ufe0f&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>weather<span class=\"token punctuation\">.<\/span><span class=\"token function\">includes<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\u96e8&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#039;&#x1f327;\ufe0f&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>weather<span class=\"token punctuation\">.<\/span><span class=\"token function\">includes<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\u96ea&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#039;\u2744\ufe0f&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>weather<span class=\"token punctuation\">.<\/span><span class=\"token function\">includes<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\u96fe&#039;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> weather<span class=\"token punctuation\">.<\/span><span class=\"token function\">includes<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\u973e&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#039;&#x1f32b;\ufe0f&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>weather<span class=\"token punctuation\">.<\/span><span class=\"token function\">includes<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\u96f7&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#039;\u26c8\ufe0f&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>weather<span class=\"token punctuation\">.<\/span><span class=\"token function\">includes<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\u98ce&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#039;&#x1f4a8;&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#039;&#x1f324;\ufe0f&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>4.2 \u5929\u6c14\u4fe1\u606f\u5c55\u793a<\/h4>\n<p>\u5728\u5730\u56fe\u9875\u9762\u6dfb\u52a0\u5929\u6c14\u4fe1\u606f\u5361\u7247&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u5929\u6c14\u4fe1\u606f\u5361\u7247<\/span><br \/>\n<span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>currentWeather<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token function\">Row<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">Text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getWeatherIcon<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>currentWeather<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n      <span class=\"token punctuation\">.<\/span><span class=\"token function\">fontSize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">24<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token function\">Column<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token function\">Text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">&#096;<\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>currentWeather<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token string\"> <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>currentTemperature<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token string\">\u00b0C<\/span><span class=\"token template-punctuation string\">&#096;<\/span><\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">fontSize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">14<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">fontWeight<\/span><span class=\"token punctuation\">(<\/span>FontWeight<span class=\"token punctuation\">.<\/span>Medium<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">fontColor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;#333333&#039;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>      <span class=\"token function\">Text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">&#096;<\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>windDirection<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token string\">\u98ce <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>windPower<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token string\">\u7ea7 | \u6e7f\u5ea6<\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>humidity<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token string\">%<\/span><span class=\"token template-punctuation string\">&#096;<\/span><\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">fontSize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">11<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">fontColor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;#999999&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">margin<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span> top<span class=\"token operator\">:<\/span> <span class=\"token number\">4<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">.<\/span><span class=\"token function\">alignItems<\/span><span class=\"token punctuation\">(<\/span>HorizontalAlign<span class=\"token punctuation\">.<\/span>Start<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">.<\/span><span class=\"token function\">margin<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span> left<span class=\"token operator\">:<\/span> <span class=\"token number\">8<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token punctuation\">.<\/span><span class=\"token function\">padding<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">12<\/span><span class=\"token punctuation\">)<\/span><br \/>\n  <span class=\"token punctuation\">.<\/span><span class=\"token function\">backgroundColor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;#FFFFFF&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n  <span class=\"token punctuation\">.<\/span><span class=\"token function\">borderRadius<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">8<\/span><span class=\"token punctuation\">)<\/span><br \/>\n  <span class=\"token punctuation\">.<\/span><span class=\"token function\">shadow<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span> radius<span class=\"token operator\">:<\/span> <span class=\"token number\">4<\/span><span class=\"token punctuation\">,<\/span> color<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;#22000000&#039;<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n  <span class=\"token punctuation\">.<\/span><span class=\"token function\">margin<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span> top<span class=\"token operator\">:<\/span> <span class=\"token number\">80<\/span><span class=\"token punctuation\">,<\/span> left<span class=\"token operator\">:<\/span> <span class=\"token number\">16<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<hr \/>\n<h3>\u4e94\u3001\u5b8c\u6574\u529f\u80fd\u96c6\u6210<\/h3>\n<h4>5.1 \u5730\u56fe\u5de5\u5177\u680f<\/h4>\n<p>\u5728\u5730\u56fe\u9875\u9762\u6dfb\u52a0\u5de5\u5177\u680f&#xff0c;\u96c6\u6210\u6240\u6709\u529f\u80fd&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u5730\u56fe\u5de5\u5177\u680f<\/span><br \/>\n<span class=\"token function\">Row<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token comment\">\/\/ POI\u641c\u7d22\u6309\u94ae<\/span><br \/>\n  <span class=\"token function\">Button<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">Image<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">$r<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;app.media.ic_search&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n      <span class=\"token punctuation\">.<\/span><span class=\"token function\">width<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">24<\/span><span class=\"token punctuation\">)<\/span><br \/>\n      <span class=\"token punctuation\">.<\/span><span class=\"token function\">height<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">24<\/span><span class=\"token punctuation\">)<\/span><br \/>\n      <span class=\"token punctuation\">.<\/span><span class=\"token function\">fillColor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;#FFFFFF&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token punctuation\">.<\/span><span class=\"token function\">width<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">48<\/span><span class=\"token punctuation\">)<\/span><br \/>\n  <span class=\"token punctuation\">.<\/span><span class=\"token function\">height<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">48<\/span><span class=\"token punctuation\">)<\/span><br \/>\n  <span class=\"token punctuation\">.<\/span><span class=\"token function\">backgroundColor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;#4CAF50&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n  <span class=\"token punctuation\">.<\/span><span class=\"token function\">borderRadius<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">24<\/span><span class=\"token punctuation\">)<\/span><br \/>\n  <span class=\"token punctuation\">.<\/span><span class=\"token function\">onClick<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>showPoiSearch <span class=\"token operator\">&#061;<\/span> <span class=\"token operator\">!<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>showPoiSearch<span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>  <span class=\"token comment\">\/\/ \u5b9a\u4f4d\u6309\u94ae<\/span><br \/>\n  <span class=\"token function\">Button<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">Image<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">$r<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;app.media.ic_location&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n      <span class=\"token punctuation\">.<\/span><span class=\"token function\">width<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">24<\/span><span class=\"token punctuation\">)<\/span><br \/>\n      <span class=\"token punctuation\">.<\/span><span class=\"token function\">height<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">24<\/span><span class=\"token punctuation\">)<\/span><br \/>\n      <span class=\"token punctuation\">.<\/span><span class=\"token function\">fillColor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;#FFFFFF&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token punctuation\">.<\/span><span class=\"token function\">width<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">48<\/span><span class=\"token punctuation\">)<\/span><br \/>\n  <span class=\"token punctuation\">.<\/span><span class=\"token function\">height<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">48<\/span><span class=\"token punctuation\">)<\/span><br \/>\n  <span class=\"token punctuation\">.<\/span><span class=\"token function\">backgroundColor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;#2196F3&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n  <span class=\"token punctuation\">.<\/span><span class=\"token function\">borderRadius<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">24<\/span><span class=\"token punctuation\">)<\/span><br \/>\n  <span class=\"token punctuation\">.<\/span><span class=\"token function\">margin<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span> left<span class=\"token operator\">:<\/span> <span class=\"token number\">12<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n  <span class=\"token punctuation\">.<\/span><span class=\"token function\">onClick<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">moveToCurrentLocation<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>  <span class=\"token comment\">\/\/ \u6e05\u9664\u8def\u7ebf\u6309\u94ae<\/span><br \/>\n  <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>routePolyline<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">Button<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token function\">Image<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">$r<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;app.media.ic_close&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">width<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">24<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">height<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">24<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">fillColor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;#FFFFFF&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">.<\/span><span class=\"token function\">width<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">48<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">.<\/span><span class=\"token function\">height<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">48<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">.<\/span><span class=\"token function\">backgroundColor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;#FF5722&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">.<\/span><span class=\"token function\">borderRadius<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">24<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">.<\/span><span class=\"token function\">margin<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span> left<span class=\"token operator\">:<\/span> <span class=\"token number\">12<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">.<\/span><span class=\"token function\">onClick<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">clearRoute<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">.<\/span><span class=\"token function\">position<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span> x<span class=\"token operator\">:<\/span> <span class=\"token number\">16<\/span><span class=\"token punctuation\">,<\/span> y<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;50%&#039;<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<h4>5.2 \u5730\u5757\u6807\u8bb0\u70b9\u51fb\u89e6\u53d1\u5bfc\u822a<\/h4>\n<p>\u4fee\u6539\u5730\u5757\u6807\u8bb0\u7684\u70b9\u51fb\u4e8b\u4ef6&#xff0c;\u6dfb\u52a0\u5bfc\u822a\u529f\u80fd&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u5728addFieldMarkers\u65b9\u6cd5\u4e2d<\/span><br \/>\nglobalAMap<span class=\"token punctuation\">.<\/span><span class=\"token function\">setOnMarkerClickListener<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><br \/>\n  onMarkerClick<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">(<\/span>marker<span class=\"token operator\">:<\/span> Marker<span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token builtin\">boolean<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> title <span class=\"token operator\">&#061;<\/span> marker<span class=\"token punctuation\">.<\/span><span class=\"token function\">getTitle<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token builtin\">console<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;[FieldMapPage] \u6807\u8bb0\u88ab\u70b9\u51fb:&#039;<\/span><span class=\"token punctuation\">,<\/span> title<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u67e5\u627e\u5bf9\u5e94\u7684\u5730\u5757<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> field <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>fields<span class=\"token punctuation\">.<\/span><span class=\"token function\">find<\/span><span class=\"token punctuation\">(<\/span>f <span class=\"token operator\">&#061;&gt;<\/span> f<span class=\"token punctuation\">.<\/span>name <span class=\"token operator\">&#061;&#061;&#061;<\/span> title<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>field<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token comment\">\/\/ \u663e\u793a\u5730\u5757\u8be6\u60c5\u5bf9\u8bdd\u6846<\/span><br \/>\n      AlertDialog<span class=\"token punctuation\">.<\/span><span class=\"token function\">show<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><br \/>\n        title<span class=\"token operator\">:<\/span> field<span class=\"token punctuation\">.<\/span>name<span class=\"token punctuation\">,<\/span><br \/>\n        message<span class=\"token operator\">:<\/span> <span class=\"token template-string\"><span class=\"token template-punctuation string\">&#096;<\/span><span class=\"token string\">\u9762\u79ef: <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>field<span class=\"token punctuation\">.<\/span>area<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token string\">\u4ea9\\\\n<\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>field<span class=\"token punctuation\">.<\/span>currentCrop <span class=\"token operator\">?<\/span> <span class=\"token string\">&#039;\u4f5c\u7269: &#039;<\/span> <span class=\"token operator\">&#043;<\/span> field<span class=\"token punctuation\">.<\/span>currentCrop<span class=\"token punctuation\">.<\/span>cropName <span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;\u72b6\u6001: \u95f2\u7f6e&#039;<\/span><span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">&#096;<\/span><\/span><span class=\"token punctuation\">,<\/span><br \/>\n        primaryButton<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n          value<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;\u5bfc\u822a&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n          <span class=\"token function-variable function\">action<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u89c4\u5212\u5230\u8be5\u5730\u5757\u7684\u8def\u7ebf<\/span><br \/>\n            <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">planRouteToField<\/span><span class=\"token punctuation\">(<\/span>field<span class=\"token punctuation\">.<\/span>id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n          <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        secondaryButton<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n          value<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;\u67e5\u770b\u8be6\u60c5&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n          <span class=\"token function-variable function\">action<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u8df3\u8f6c\u5230\u5730\u5757\u8be6\u60c5\u9875<\/span><br \/>\n            router<span class=\"token punctuation\">.<\/span><span class=\"token function\">pushUrl<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><br \/>\n              url<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;pages\/Field\/FieldDetailPage&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n              params<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span> fieldId<span class=\"token operator\">:<\/span> field<span class=\"token punctuation\">.<\/span>id <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n          <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<hr \/>\n<h3>\u516d\u3001\u5b9e\u64cd\u7ec3\u4e60<\/h3>\n<h4>\u7ec3\u4e601&#xff1a;\u5b9e\u73b0\u8def\u7ebf\u89c4\u5212<\/h4>\n<p>\u4efb\u52a1&#xff1a;\u70b9\u51fb\u5730\u5757\u6807\u8bb0&#xff0c;\u89c4\u5212\u4ece\u5f53\u524d\u4f4d\u7f6e\u5230\u8be5\u5730\u5757\u7684\u8def\u7ebf<\/p>\n<p>\u6b65\u9aa4&#xff1a;<\/p>\n<li>\u786e\u4fdd\u5df2\u5f00\u542f\u5b9a\u4f4d\u6743\u9650<\/li>\n<li>\u70b9\u51fb\u5730\u56fe\u4e0a\u7684\u4efb\u610f\u5730\u5757\u6807\u8bb0<\/li>\n<li>\u5728\u5f39\u51fa\u7684\u5bf9\u8bdd\u6846\u4e2d\u70b9\u51fb&#034;\u5bfc\u822a&#034;\u6309\u94ae<\/li>\n<li>\u89c2\u5bdf\u5730\u56fe\u4e0a\u7ed8\u5236\u7684\u84dd\u8272\u8def\u7ebf<\/li>\n<li>\u67e5\u770b\u8def\u7ebf\u4fe1\u606f&#xff08;\u8ddd\u79bb\u3001\u65f6\u957f&#xff09;<\/li>\n<p>\u9884\u671f\u7ed3\u679c&#xff1a;<\/p>\n<ul>\n<li>\u5730\u56fe\u4e0a\u663e\u793a\u84dd\u8272\u8def\u7ebf<\/li>\n<li>\u5f39\u51fa\u63d0\u793a\u663e\u793a\u8def\u7ebf\u8ddd\u79bb\u548c\u65f6\u957f<\/li>\n<li>\u8def\u7ebf\u4ece\u5f53\u524d\u4f4d\u7f6e\u8fde\u63a5\u5230\u76ee\u6807\u5730\u5757<\/li>\n<\/ul>\n<h4>\u7ec3\u4e602&#xff1a;\u641c\u7d22\u5468\u8fb9POI<\/h4>\n<p>\u4efb\u52a1&#xff1a;\u641c\u7d22\u5468\u8fb9\u7684\u519c\u8d44\u5e97<\/p>\n<p>\u6b65\u9aa4&#xff1a;<\/p>\n<li>\u70b9\u51fb\u5730\u56fe\u5de5\u5177\u680f\u7684\u641c\u7d22\u6309\u94ae<\/li>\n<li>\u5728POI\u641c\u7d22\u9762\u677f\u4e2d\u70b9\u51fb&#034;\u519c\u8d44\u5e97&#034;\u6309\u94ae<\/li>\n<li>\u8c03\u6574\u641c\u7d22\u534a\u5f84&#xff08;\u59825\u516c\u91cc&#xff09;<\/li>\n<li>\u89c2\u5bdf\u5730\u56fe\u4e0a\u7684\u7d2b\u7ea2\u8272POI\u6807\u8bb0<\/li>\n<li>\u67e5\u770b\u641c\u7d22\u7ed3\u679c\u5217\u8868<\/li>\n<li>\u70b9\u51fb\u67d0\u4e2a\u7ed3\u679c\u7684&#034;\u5bfc\u822a&#034;\u6309\u94ae<\/li>\n<p>\u9884\u671f\u7ed3\u679c&#xff1a;<\/p>\n<ul>\n<li>\u5730\u56fe\u4e0a\u663e\u793a\u7d2b\u7ea2\u8272POI\u6807\u8bb0<\/li>\n<li>\u663e\u793a\u641c\u7d22\u8303\u56f4\u7684\u6a59\u8272\u5706\u5708<\/li>\n<li>\u5217\u8868\u5c55\u793aPOI\u540d\u79f0\u3001\u5730\u5740\u3001\u8ddd\u79bb<\/li>\n<li>\u53ef\u4ee5\u89c4\u5212\u5230POI\u7684\u8def\u7ebf<\/li>\n<\/ul>\n<h4>\u7ec3\u4e603&#xff1a;\u8c03\u6574\u641c\u7d22\u534a\u5f84<\/h4>\n<p>\u4efb\u52a1&#xff1a;\u5c1d\u8bd5\u4e0d\u540c\u7684\u641c\u7d22\u534a\u5f84<\/p>\n<p>\u6b65\u9aa4&#xff1a;<\/p>\n<li>\u6253\u5f00POI\u641c\u7d22\u9762\u677f<\/li>\n<li>\u62d6\u52a8\u641c\u7d22\u534a\u5f84\u6ed1\u5757&#xff08;1-50\u516c\u91cc&#xff09;<\/li>\n<li>\u70b9\u51fb\u641c\u7d22\u6309\u94ae<\/li>\n<li>\u89c2\u5bdf\u641c\u7d22\u7ed3\u679c\u6570\u91cf\u7684\u53d8\u5316<\/li>\n<li>\u89c2\u5bdf\u5730\u56fe\u4e0a\u5706\u5708\u8303\u56f4\u7684\u53d8\u5316<\/li>\n<p>\u9884\u671f\u7ed3\u679c&#xff1a;<\/p>\n<ul>\n<li>\u534a\u5f84\u8d8a\u5927&#xff0c;\u641c\u7d22\u7ed3\u679c\u8d8a\u591a<\/li>\n<li>\u5730\u56fe\u4e0a\u7684\u5706\u5708\u8303\u56f4\u76f8\u5e94\u53d8\u5316<\/li>\n<li>\u8fdc\u8ddd\u79bb\u7684POI\u4e5f\u4f1a\u88ab\u641c\u7d22\u5230<\/li>\n<\/ul>\n<hr \/>\n<h3>\u4e03\u3001\u5e38\u89c1\u95ee\u9898\u4e0e\u89e3\u51b3\u65b9\u6848<\/h3>\n<h4>\u95ee\u98981&#xff1a;\u8def\u7ebf\u89c4\u5212\u5931\u8d25<\/h4>\n<p>\u73b0\u8c61&#xff1a;\u70b9\u51fb\u5bfc\u822a\u540e\u63d0\u793a&#034;\u8def\u7ebf\u641c\u7d22\u5931\u8d25&#034;<\/p>\n<p>\u53ef\u80fd\u539f\u56e0&#xff1a;<\/p>\n<li>\u7f51\u7edc\u8fde\u63a5\u95ee\u9898<\/li>\n<li>\u8d77\u70b9\u6216\u7ec8\u70b9\u5750\u6807\u65e0\u6548<\/li>\n<li>API Key\u914d\u7f6e\u9519\u8bef<\/li>\n<li>\u641c\u7d22\u670d\u52a1\u672a\u6b63\u786e\u521d\u59cb\u5316<\/li>\n<p>\u89e3\u51b3\u65b9\u6848&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ 1. \u68c0\u67e5\u7f51\u7edc\u6743\u9650<\/span><br \/>\n<span class=\"token comment\">\/\/ module.json5\u4e2d\u6dfb\u52a0&#xff1a;<\/span><br \/>\n<span class=\"token string-property property\">&#034;requestPermissions&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">[<\/span><br \/>\n  <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token string-property property\">&#034;name&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;ohos.permission.INTERNET&#034;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">]<\/span><\/p>\n<p><span class=\"token comment\">\/\/ 2. \u9a8c\u8bc1\u5750\u6807\u6709\u6548\u6027<\/span><br \/>\n<span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>startLat <span class=\"token operator\">||<\/span> <span class=\"token operator\">!<\/span>startLon <span class=\"token operator\">||<\/span> <span class=\"token operator\">!<\/span>endLat <span class=\"token operator\">||<\/span> <span class=\"token operator\">!<\/span>endLon<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token builtin\">console<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">error<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\u5750\u6807\u65e0\u6548&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ 3. \u68c0\u67e5API Key<\/span><br \/>\n<span class=\"token builtin\">console<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;API Key:&#039;<\/span><span class=\"token punctuation\">,<\/span> MapConstants<span class=\"token punctuation\">.<\/span><span class=\"token constant\">AMAP_API_KEY<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ 4. \u6dfb\u52a0\u9519\u8bef\u5904\u7406<\/span><br \/>\n<span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>routeSearch<span class=\"token punctuation\">.<\/span><span class=\"token function\">calculateDriveRouteAsyn<\/span><span class=\"token punctuation\">(<\/span>query<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span>error<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token builtin\">console<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">error<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\u8def\u7ebf\u641c\u7d22\u5f02\u5e38:&#039;<\/span><span class=\"token punctuation\">,<\/span> error<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>\u95ee\u98982&#xff1a;POI\u641c\u7d22\u65e0\u7ed3\u679c<\/h4>\n<p>\u73b0\u8c61&#xff1a;\u641c\u7d22\u540e\u63d0\u793a&#034;\u672a\u627e\u5230\u76f8\u5173POI&#034;<\/p>\n<p>\u53ef\u80fd\u539f\u56e0&#xff1a;<\/p>\n<li>\u641c\u7d22\u534a\u5f84\u592a\u5c0f<\/li>\n<li>\u5173\u952e\u8bcd\u4e0d\u51c6\u786e<\/li>\n<li>\u5f53\u524d\u4f4d\u7f6e\u504f\u8fdc&#xff0c;\u5468\u8fb9\u786e\u5b9e\u6ca1\u6709\u76f8\u5173POI<\/li>\n<p>\u89e3\u51b3\u65b9\u6848&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ 1. \u589e\u5927\u641c\u7d22\u534a\u5f84<\/span><br \/>\n<span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>searchRadius <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">10000<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ 10\u516c\u91cc<\/span><\/p>\n<p><span class=\"token comment\">\/\/ 2. \u4f7f\u7528\u66f4\u901a\u7528\u7684\u5173\u952e\u8bcd<\/span><br \/>\n<span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>poiKeyword <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;\u5546\u5e97&#039;<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u800c\u4e0d\u662f&#039;\u519c\u8d44\u5e97&#039;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ 3. \u6dfb\u52a0\u57ce\u5e02\u8303\u56f4\u641c\u7d22<\/span><br \/>\n<span class=\"token keyword\">const<\/span> query <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">PoiQuery<\/span><span class=\"token punctuation\">(<\/span>keyword<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;\u6b66\u6c49\u5e02&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h4>\u95ee\u98983&#xff1a;\u8def\u7ebf\u4e0d\u663e\u793a\u5728\u5730\u56fe\u4e0a<\/h4>\n<p>\u73b0\u8c61&#xff1a;\u8def\u7ebf\u89c4\u5212\u6210\u529f&#xff0c;\u4f46\u5730\u56fe\u4e0a\u770b\u4e0d\u5230\u8def\u7ebf<\/p>\n<p>\u53ef\u80fd\u539f\u56e0&#xff1a;<\/p>\n<li>Polyline\u7684ZIndex\u592a\u4f4e&#xff0c;\u88ab\u5176\u4ed6\u56fe\u5c42\u906e\u6321<\/li>\n<li>\u8def\u7ebf\u989c\u8272\u4e0e\u5730\u56fe\u80cc\u666f\u76f8\u8fd1<\/li>\n<li>\u5730\u56fe\u7f29\u653e\u7ea7\u522b\u4e0d\u5408\u9002<\/li>\n<p>\u89e3\u51b3\u65b9\u6848&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ 1. \u63d0\u9ad8ZIndex<\/span><br \/>\npolylineOptions<span class=\"token punctuation\">.<\/span><span class=\"token function\">setZIndex<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">100<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ 2. \u4f7f\u7528\u66f4\u9c9c\u8273\u7684\u989c\u8272<\/span><br \/>\npolylineOptions<span class=\"token punctuation\">.<\/span><span class=\"token function\">setColor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0xFFFF0000<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u7ea2\u8272<\/span><br \/>\npolylineOptions<span class=\"token punctuation\">.<\/span><span class=\"token function\">setWidth<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">15<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u589e\u52a0\u5bbd\u5ea6<\/span><\/p>\n<p><span class=\"token comment\">\/\/ 3. \u8c03\u6574\u5730\u56fe\u89c6\u89d2<\/span><br \/>\n<span class=\"token keyword\">const<\/span> centerLat <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>startLat <span class=\"token operator\">&#043;<\/span> endLat<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">\/<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">const<\/span> centerLon <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>startLon <span class=\"token operator\">&#043;<\/span> endLon<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">\/<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">const<\/span> cameraUpdate <span class=\"token operator\">&#061;<\/span> CameraUpdateFactory<span class=\"token punctuation\">.<\/span><span class=\"token function\">newLatLngZoom<\/span><span class=\"token punctuation\">(<\/span><br \/>\n  <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">LatLng<\/span><span class=\"token punctuation\">(<\/span>centerLat<span class=\"token punctuation\">,<\/span> centerLon<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token number\">12<\/span><br \/>\n<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nglobalAMap<span class=\"token punctuation\">.<\/span><span class=\"token function\">animateCamera<\/span><span class=\"token punctuation\">(<\/span>cameraUpdate<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h4>\u95ee\u98984&#xff1a;\u5b9a\u4f4d\u6743\u9650\u672a\u6388\u6743<\/h4>\n<p>\u73b0\u8c61&#xff1a;\u65e0\u6cd5\u83b7\u53d6\u5f53\u524d\u4f4d\u7f6e<\/p>\n<p>\u89e3\u51b3\u65b9\u6848&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u5728EntryAbility.ets\u7684onCreate\u4e2d\u8bf7\u6c42\u6743\u9650<\/span><br \/>\n<span class=\"token keyword\">async<\/span> <span class=\"token function\">requestPermissions<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> permissions<span class=\"token operator\">:<\/span> Permissions<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><br \/>\n    <span class=\"token string\">&#039;ohos.permission.APPROXIMATELY_LOCATION&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token string\">&#039;ohos.permission.LOCATION&#039;<\/span><br \/>\n  <span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token keyword\">const<\/span> atManager <span class=\"token operator\">&#061;<\/span> abilityAccessCtrl<span class=\"token punctuation\">.<\/span><span class=\"token function\">createAtManager<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> result <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">await<\/span> atManager<span class=\"token punctuation\">.<\/span><span class=\"token function\">requestPermissionsFromUser<\/span><span class=\"token punctuation\">(<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>context<span class=\"token punctuation\">,<\/span><br \/>\n    permissions<br \/>\n  <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token builtin\">console<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\u6743\u9650\u7533\u8bf7\u7ed3\u679c:&#039;<\/span><span class=\"token punctuation\">,<\/span> result<span class=\"token punctuation\">.<\/span>authResults<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<hr \/>\n<h3>\u516b\u3001\u529f\u80fd\u6269\u5c55\u5efa\u8bae<\/h3>\n<h4>8.1 \u591a\u79cd\u51fa\u884c\u65b9\u5f0f<\/h4>\n<p>\u9664\u4e86\u9a7e\u8f66\u8def\u7ebf&#xff0c;\u8fd8\u53ef\u4ee5\u6dfb\u52a0\u6b65\u884c\u3001\u9a91\u884c\u8def\u7ebf&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u6b65\u884c\u8def\u7ebf<\/span><br \/>\n<span class=\"token keyword\">private<\/span> <span class=\"token function\">searchWalkRoute<\/span><span class=\"token punctuation\">(<\/span>startLat<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">,<\/span> startLon<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">,<\/span> endLat<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">,<\/span> endLon<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> startPoint <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">LatLonPoint<\/span><span class=\"token punctuation\">(<\/span>startLat<span class=\"token punctuation\">,<\/span> startLon<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> endPoint <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">LatLonPoint<\/span><span class=\"token punctuation\">(<\/span>endLat<span class=\"token punctuation\">,<\/span> endLon<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> fromAndTo <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">FromAndTo<\/span><span class=\"token punctuation\">(<\/span>startPoint<span class=\"token punctuation\">,<\/span> endPoint<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token keyword\">const<\/span> query <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">WalkRouteQuery<\/span><span class=\"token punctuation\">(<\/span>fromAndTo<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token keyword\">const<\/span> listener<span class=\"token operator\">:<\/span> OnRouteSearchListener <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    onWalkRouteSearched<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">(<\/span>result<span class=\"token operator\">:<\/span> WalkRouteResult <span class=\"token operator\">|<\/span> <span class=\"token keyword\">undefined<\/span><span class=\"token punctuation\">,<\/span> errorCode<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token comment\">\/\/ \u5904\u7406\u6b65\u884c\u8def\u7ebf\u7ed3\u679c<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    onDriveRouteSearched<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    onRideRouteSearched<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    onBusRouteSearched<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>routeSearch<span class=\"token punctuation\">.<\/span><span class=\"token function\">setRouteSearchListener<\/span><span class=\"token punctuation\">(<\/span>listener<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>routeSearch<span class=\"token punctuation\">.<\/span><span class=\"token function\">calculateWalkRouteAsyn<\/span><span class=\"token punctuation\">(<\/span>query<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>8.2 \u8def\u7ebf\u5bf9\u6bd4<\/h4>\n<p>\u663e\u793a\u591a\u6761\u8def\u7ebf\u65b9\u6848\u4f9b\u7528\u6237\u9009\u62e9&#xff1a;<\/p>\n<p><span class=\"token keyword\">private<\/span> <span class=\"token function\">handleRouteResult<\/span><span class=\"token punctuation\">(<\/span>result<span class=\"token operator\">:<\/span> DriveRouteResult <span class=\"token operator\">|<\/span> <span class=\"token keyword\">undefined<\/span><span class=\"token punctuation\">,<\/span> errorCode<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>errorCode <span class=\"token operator\">&#061;&#061;&#061;<\/span> AMapException<span class=\"token punctuation\">.<\/span><span class=\"token constant\">CODE_AMAP_SUCCESS<\/span> <span class=\"token operator\">&amp;&amp;<\/span> result<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> paths <span class=\"token operator\">&#061;<\/span> result<span class=\"token punctuation\">.<\/span><span class=\"token function\">getPaths<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u663e\u793a\u6240\u6709\u8def\u7ebf\u65b9\u6848<\/span><br \/>\n    <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">let<\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> paths<span class=\"token punctuation\">.<\/span>length<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token keyword\">const<\/span> path <span class=\"token operator\">&#061;<\/span> paths<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token builtin\">console<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">&#096;<\/span><span class=\"token string\">\u65b9\u6848<\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>i <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token string\">: <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>path<span class=\"token punctuation\">.<\/span><span class=\"token function\">getDistance<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token string\">\u7c73, <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>path<span class=\"token punctuation\">.<\/span><span class=\"token function\">getDuration<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token string\">\u79d2<\/span><span class=\"token template-punctuation string\">&#096;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>      <span class=\"token comment\">\/\/ \u53ef\u4ee5\u7528\u4e0d\u540c\u989c\u8272\u7ed8\u5236\u591a\u6761\u8def\u7ebf<\/span><br \/>\n      <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">drawRouteWithColor<\/span><span class=\"token punctuation\">(<\/span>path<span class=\"token punctuation\">.<\/span><span class=\"token function\">getSteps<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> i <span class=\"token operator\">&#061;&#061;&#061;<\/span> <span class=\"token number\">0<\/span> <span class=\"token operator\">?<\/span> <span class=\"token number\">0xFF2196F3<\/span> <span class=\"token operator\">:<\/span> <span class=\"token number\">0xFF9E9E9E<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>8.3 \u5b9e\u65f6\u5bfc\u822a<\/h4>\n<p>\u96c6\u6210\u5bfc\u822aSDK\u5b9e\u73b0\u5b9e\u65f6\u5bfc\u822a&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u521d\u59cb\u5316\u5bfc\u822a\u5b9e\u4f8b<\/span><br \/>\n<span class=\"token keyword\">private<\/span> naviInstance<span class=\"token operator\">:<\/span> AMapNavi <span class=\"token operator\">|<\/span> <span class=\"token keyword\">null<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5f00\u59cb\u5bfc\u822a<\/span><br \/>\n<span class=\"token keyword\">private<\/span> <span class=\"token function\">startNavigation<\/span><span class=\"token punctuation\">(<\/span>endLat<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">,<\/span> endLon<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>naviInstance<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> context <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">getContext<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">as<\/span> Context<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>naviInstance <span class=\"token operator\">&#061;<\/span> AMapNaviFactory<span class=\"token punctuation\">.<\/span><span class=\"token function\">getAMapNaviInstance<\/span><span class=\"token punctuation\">(<\/span><br \/>\n      context<span class=\"token punctuation\">,<\/span><br \/>\n      MapConstants<span class=\"token punctuation\">.<\/span><span class=\"token constant\">AMAP_API_KEY<\/span><br \/>\n    <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u7ec8\u70b9<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> endPoint <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">NaviLatLng<\/span><span class=\"token punctuation\">(<\/span>endLat<span class=\"token punctuation\">,<\/span> endLon<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> endList <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">ArrayList<span class=\"token operator\">&lt;<\/span>NaviLatLng<span class=\"token operator\">&gt;<\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  endList<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>endPoint<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token comment\">\/\/ \u8ba1\u7b97\u8def\u7ebf<\/span><br \/>\n  <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>naviInstance<span class=\"token punctuation\">.<\/span><span class=\"token function\">calculateDriveRoute<\/span><span class=\"token punctuation\">(<\/span><br \/>\n    <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">ArrayList<span class=\"token operator\">&lt;<\/span>NaviLatLng<span class=\"token operator\">&gt;<\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span>  <span class=\"token comment\">\/\/ \u8d77\u70b9&#xff08;\u7a7a\u8868\u793a\u5f53\u524d\u4f4d\u7f6e&#xff09;<\/span><br \/>\n    endList<span class=\"token punctuation\">,<\/span>                       <span class=\"token comment\">\/\/ \u7ec8\u70b9<\/span><br \/>\n    <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">ArrayList<span class=\"token operator\">&lt;<\/span>NaviLatLng<span class=\"token operator\">&gt;<\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span>  <span class=\"token comment\">\/\/ \u9014\u7ecf\u70b9<\/span><br \/>\n    AMapNaviStrategy<span class=\"token punctuation\">.<\/span><span class=\"token constant\">DRIVING_DEFAULT<\/span><br \/>\n  <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token comment\">\/\/ \u5f00\u59cb\u5bfc\u822a<\/span><br \/>\n  <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>naviInstance<span class=\"token punctuation\">.<\/span><span class=\"token function\">startNavi<\/span><span class=\"token punctuation\">(<\/span>AMapNaviMode<span class=\"token punctuation\">.<\/span><span class=\"token constant\">GPS<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>8.4 \u6536\u85cf\u5e38\u7528\u5730\u70b9<\/h4>\n<p>\u4fdd\u5b58\u5e38\u7528POI&#xff0c;\u65b9\u4fbf\u5feb\u901f\u5bfc\u822a&#xff1a;<\/p>\n<p><span class=\"token keyword\">interface<\/span> <span class=\"token class-name\">FavoritePoi<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  id<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  name<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  latitude<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  longitude<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  category<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">private<\/span> favoritePois<span class=\"token operator\">:<\/span> FavoritePoi<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u6dfb\u52a0\u6536\u85cf<\/span><br \/>\n<span class=\"token keyword\">private<\/span> <span class=\"token function\">addFavorite<\/span><span class=\"token punctuation\">(<\/span>poi<span class=\"token operator\">:<\/span> PoiItem<span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> latLon <span class=\"token operator\">&#061;<\/span> poi<span class=\"token punctuation\">.<\/span><span class=\"token function\">getLatLonPoint<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>latLon<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> favorite<span class=\"token operator\">:<\/span> FavoritePoi <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      id<span class=\"token operator\">:<\/span> Date<span class=\"token punctuation\">.<\/span><span class=\"token function\">now<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">toString<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      name<span class=\"token operator\">:<\/span> poi<span class=\"token punctuation\">.<\/span><span class=\"token function\">getTitle<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      latitude<span class=\"token operator\">:<\/span> latLon<span class=\"token punctuation\">.<\/span><span class=\"token function\">getLatitude<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      longitude<span class=\"token operator\">:<\/span> latLon<span class=\"token punctuation\">.<\/span><span class=\"token function\">getLongitude<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      category<span class=\"token operator\">:<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>poiKeyword<br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>favoritePois<span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span>favorite<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u4fdd\u5b58\u5230\u672c\u5730\u5b58\u50a8<\/span><br \/>\n    StorageUtil<span class=\"token punctuation\">.<\/span><span class=\"token function\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;favoritePois&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token constant\">JSON<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">stringify<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>favoritePois<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    promptAction<span class=\"token punctuation\">.<\/span><span class=\"token function\">showToast<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><br \/>\n      message<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;\u5df2\u6dfb\u52a0\u5230\u6536\u85cf&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      duration<span class=\"token operator\">:<\/span> <span class=\"token number\">2000<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<hr \/>\n<h3>\u4e5d\u3001\u6027\u80fd\u4f18\u5316\u5efa\u8bae<\/h3>\n<h4>9.1 \u8def\u7ebf\u7f13\u5b58<\/h4>\n<p>\u7f13\u5b58\u5df2\u8ba1\u7b97\u7684\u8def\u7ebf&#xff0c;\u907f\u514d\u91cd\u590d\u8ba1\u7b97&#xff1a;<\/p>\n<p><span class=\"token keyword\">private<\/span> routeCache<span class=\"token operator\">:<\/span> Map<span class=\"token operator\">&lt;<\/span><span class=\"token builtin\">string<\/span><span class=\"token punctuation\">,<\/span> DriveRouteResult<span class=\"token operator\">&gt;<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Map<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">private<\/span> <span class=\"token function\">getCacheKey<\/span><span class=\"token punctuation\">(<\/span>startLat<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">,<\/span> startLon<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">,<\/span> endLat<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">,<\/span> endLon<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">return<\/span> <span class=\"token template-string\"><span class=\"token template-punctuation string\">&#096;<\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>startLat<span class=\"token punctuation\">.<\/span><span class=\"token function\">toFixed<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">4<\/span><span class=\"token punctuation\">)<\/span><span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token string\">,<\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>startLon<span class=\"token punctuation\">.<\/span><span class=\"token function\">toFixed<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">4<\/span><span class=\"token punctuation\">)<\/span><span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token string\">&#8211;<\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>endLat<span class=\"token punctuation\">.<\/span><span class=\"token function\">toFixed<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">4<\/span><span class=\"token punctuation\">)<\/span><span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token string\">,<\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>endLon<span class=\"token punctuation\">.<\/span><span class=\"token function\">toFixed<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">4<\/span><span class=\"token punctuation\">)<\/span><span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">&#096;<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">private<\/span> <span class=\"token function\">searchDriveRoute<\/span><span class=\"token punctuation\">(<\/span>startLat<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">,<\/span> startLon<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">,<\/span> endLat<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">,<\/span> endLon<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> cacheKey <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getCacheKey<\/span><span class=\"token punctuation\">(<\/span>startLat<span class=\"token punctuation\">,<\/span> startLon<span class=\"token punctuation\">,<\/span> endLat<span class=\"token punctuation\">,<\/span> endLon<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token comment\">\/\/ \u68c0\u67e5\u7f13\u5b58<\/span><br \/>\n  <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>routeCache<span class=\"token punctuation\">.<\/span><span class=\"token function\">has<\/span><span class=\"token punctuation\">(<\/span>cacheKey<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token builtin\">console<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;[FieldMapPage] \u4f7f\u7528\u7f13\u5b58\u7684\u8def\u7ebf&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> cachedResult <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>routeCache<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span>cacheKey<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">handleRouteResult<\/span><span class=\"token punctuation\">(<\/span>cachedResult<span class=\"token punctuation\">,<\/span> AMapException<span class=\"token punctuation\">.<\/span><span class=\"token constant\">CODE_AMAP_SUCCESS<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token comment\">\/\/ \u6b63\u5e38\u641c\u7d22&#8230;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>9.2 POI\u6807\u8bb0\u4f18\u5316<\/h4>\n<p>\u5f53POI\u6570\u91cf\u8f83\u591a\u65f6&#xff0c;\u4f7f\u7528\u805a\u5408\u663e\u793a&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u6839\u636e\u5730\u56fe\u7f29\u653e\u7ea7\u522b\u51b3\u5b9a\u662f\u5426\u663e\u793a\u6807\u8bb0<\/span><br \/>\n<span class=\"token keyword\">private<\/span> <span class=\"token function\">updatePoiMarkers<\/span><span class=\"token punctuation\">(<\/span>zoom<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>zoom <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">12<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u7f29\u653e\u7ea7\u522b\u8f83\u5c0f\u65f6&#xff0c;\u9690\u85cf\u6807\u8bb0\u6216\u663e\u793a\u805a\u5408<\/span><br \/>\n    <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> marker <span class=\"token keyword\">of<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>poiMarkers<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      marker<span class=\"token punctuation\">.<\/span><span class=\"token function\">setVisible<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">false<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u7f29\u653e\u7ea7\u522b\u8f83\u5927\u65f6&#xff0c;\u663e\u793a\u6240\u6709\u6807\u8bb0<\/span><br \/>\n    <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> marker <span class=\"token keyword\">of<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>poiMarkers<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      marker<span class=\"token punctuation\">.<\/span><span class=\"token function\">setVisible<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>9.3 \u641c\u7d22\u9632\u6296<\/h4>\n<p>\u907f\u514d\u9891\u7e41\u641c\u7d22&#xff1a;<\/p>\n<p><span class=\"token keyword\">private<\/span> searchTimer<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">private<\/span> <span class=\"token function\">debouncedSearch<\/span><span class=\"token punctuation\">(<\/span>keyword<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token comment\">\/\/ \u6e05\u9664\u4e4b\u524d\u7684\u5b9a\u65f6\u5668<\/span><br \/>\n  <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>searchTimer <span class=\"token operator\">!&#061;&#061;<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">clearTimeout<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>searchTimer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u65b0\u7684\u5b9a\u65f6\u5668<\/span><br \/>\n  <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>searchTimer <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">setTimeout<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">searchNearbyPoi<\/span><span class=\"token punctuation\">(<\/span>keyword<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">500<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ 500ms\u5ef6\u8fdf<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<hr \/>\n<h3>\u5341\u3001\u603b\u7ed3<\/h3>\n<p>\u672c\u7bc7\u6559\u7a0b\u5b8c\u6210\u4e86\u5730\u56fe\u5bfc\u822a\u4e0e\u8def\u7ebf\u89c4\u5212\u529f\u80fd\u7684\u5b9e\u73b0&#xff0c;\u4e3b\u8981\u5305\u62ec&#xff1a;<\/p>\n<h4>\u2705 \u5df2\u5b9e\u73b0\u529f\u80fd<\/h4>\n<table>\n<tr>\u529f\u80fd\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>\u9a7e\u8f66\u8def\u7ebf\u89c4\u5212<\/td>\n<td>\u4ece\u5f53\u524d\u4f4d\u7f6e\u5230\u76ee\u6807\u5730\u5757\u7684\u8def\u7ebf\u8ba1\u7b97<\/td>\n<\/tr>\n<tr>\n<td>\u8def\u7ebf\u53ef\u89c6\u5316<\/td>\n<td>\u5728\u5730\u56fe\u4e0a\u7ed8\u5236\u84dd\u8272\u8def\u7ebf<\/td>\n<\/tr>\n<tr>\n<td>POI\u5468\u8fb9\u641c\u7d22<\/td>\n<td>\u641c\u7d22\u519c\u8d44\u5e97\u3001\u519c\u673a\u79df\u8d41\u3001\u52a0\u6cb9\u7ad9\u7b49<\/td>\n<\/tr>\n<tr>\n<td>\u641c\u7d22\u7ed3\u679c\u5c55\u793a<\/td>\n<td>\u5217\u8868&#043;\u5730\u56fe\u6807\u8bb0\u53cc\u91cd\u5c55\u793a<\/td>\n<\/tr>\n<tr>\n<td>\u5929\u6c14\u67e5\u8be2<\/td>\n<td>\u57fa\u4e8e\u5f53\u524d\u4f4d\u7f6e\u7684\u5b9e\u65f6\u5929\u6c14<\/td>\n<\/tr>\n<tr>\n<td>\u4ea4\u4e92\u4f18\u5316<\/td>\n<td>\u70b9\u51fb\u5730\u5757\u89e6\u53d1\u5bfc\u822a\u3001POI\u5bfc\u822a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>&#x1f3af; \u6838\u5fc3\u6280\u672f\u70b9<\/h4>\n<li>RouteSearch&#xff1a;\u8def\u7ebf\u641c\u7d22\u670d\u52a1<\/li>\n<li>DriveRouteQuery&#xff1a;\u9a7e\u8f66\u8def\u7ebf\u67e5\u8be2\u914d\u7f6e<\/li>\n<li>Polyline&#xff1a;\u8def\u7ebf\u7ed8\u5236<\/li>\n<li>PoiSearch&#xff1a;POI\u641c\u7d22\u670d\u52a1<\/li>\n<li>PoiSearchBound&#xff1a;\u5706\u5f62\u641c\u7d22\u8303\u56f4<\/li>\n<li>WeatherSearch&#xff1a;\u5929\u6c14\u67e5\u8be2\u670d\u52a1<\/li>\n<h4>&#x1f4ca; \u6570\u636e\u6d41\u7a0b<\/h4>\n<p>\u7528\u6237\u64cd\u4f5c \u2192 \u641c\u7d22\u670d\u52a1 \u2192 \u5f02\u6b65\u56de\u8c03 \u2192 \u7ed3\u679c\u5904\u7406 \u2192 UI\u66f4\u65b0<br \/>\n   \u2193<br \/>\n\u70b9\u51fb\u5730\u5757<br \/>\n   \u2193<br \/>\n\u83b7\u53d6\u5750\u6807 \u2192 RouteSearch \u2192 \u8def\u7ebf\u7ed3\u679c \u2192 \u7ed8\u5236Polyline<br \/>\n   \u2193<br \/>\n\u70b9\u51fb\u641c\u7d22<br \/>\n   \u2193<br \/>\n\u8f93\u5165\u5173\u952e\u8bcd \u2192 PoiSearch \u2192 POI\u7ed3\u679c \u2192 \u6dfb\u52a0Marker<\/p>\n<h4>&#x1f680; \u4e0b\u4e00\u6b65<\/h4>\n<p>\u5728\u4e0b\u4e00\u7bc7\u6559\u7a0b\u4e2d&#xff0c;\u6211\u4eec\u5c06\u5b66\u4e60&#xff1a;<\/p>\n<ul>\n<li>HarmonyOS AI\u80fd\u529b\u96c6\u6210<\/li>\n<li>Vision Kit\u56fe\u50cf\u8bc6\u522b<\/li>\n<li>\u75c5\u866b\u5bb3\u8bc6\u522b\u529f\u80fd<\/li>\n<li>\u4f5c\u7269\u5065\u5eb7\u68c0\u6d4b<\/li>\n<\/ul>\n<hr \/>\n<p>\u6559\u7a0b\u7248\u672c&#xff1a;v1.0 \u66f4\u65b0\u65e5\u671f&#xff1a;2024-01 \u4f5c\u8005&#xff1a;\u9ad8\u9ad8\u79cd\u5730\u5f00\u53d1\u56e2\u961f<\/p>\n<p>\u76f8\u5173\u8d44\u6e90&#xff1a;<\/p>\n<ul>\n<li>\u9ad8\u5fb7\u5730\u56feHarmonyOS SDK\u6587\u6863<\/li>\n<li>HarmonyOS\u5f00\u53d1\u8005\u6587\u6863<\/li>\n<li>\u9879\u76ee\u6e90\u7801<\/li>\n<\/ul>\n<hr \/>\n<h3>\u9644\u5f55&#xff1a;\u5b8c\u6574\u4ee3\u7801\u793a\u4f8b<\/h3>\n<h4>A. \u8def\u7ebf\u89c4\u5212\u5b8c\u6574\u4ee3\u7801<\/h4>\n<p><span class=\"token comment\">\/**<br \/>\n * \u5730\u56fe\u9875\u9762 &#8211; \u8def\u7ebf\u89c4\u5212\u529f\u80fd<br \/>\n *\/<\/span><br \/>\n<span class=\"token decorator\"><span class=\"token at operator\">&#064;<\/span><span class=\"token function\">Component<\/span><\/span><br \/>\n<span class=\"token keyword\">export<\/span> struct FieldMapPage <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token comment\">\/\/ \u8def\u7ebf\u641c\u7d22\u76f8\u5173<\/span><br \/>\n  <span class=\"token keyword\">private<\/span> routeSearch<span class=\"token operator\">:<\/span> RouteSearch <span class=\"token operator\">|<\/span> <span class=\"token keyword\">null<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">private<\/span> routePolyline<span class=\"token operator\">:<\/span> Polyline <span class=\"token operator\">|<\/span> <span class=\"token keyword\">null<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token decorator\"><span class=\"token at operator\">&#064;<\/span><span class=\"token function\">State<\/span><\/span> showRouteDialog<span class=\"token operator\">:<\/span> <span class=\"token builtin\">boolean<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token decorator\"><span class=\"token at operator\">&#064;<\/span><span class=\"token function\">State<\/span><\/span> routeDistance<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token decorator\"><span class=\"token at operator\">&#064;<\/span><span class=\"token function\">State<\/span><\/span> routeTime<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token function\">aboutToAppear<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> context <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">getContext<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">as<\/span> Context<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>routeSearch <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">RouteSearch<\/span><span class=\"token punctuation\">(<\/span>context<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token comment\">\/\/ \u89c4\u5212\u8def\u7ebf<\/span><br \/>\n  <span class=\"token keyword\">private<\/span> <span class=\"token function\">planRouteToField<\/span><span class=\"token punctuation\">(<\/span>fieldId<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> field <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>fields<span class=\"token punctuation\">.<\/span><span class=\"token function\">find<\/span><span class=\"token punctuation\">(<\/span>f <span class=\"token operator\">&#061;&gt;<\/span> f<span class=\"token punctuation\">.<\/span>id <span class=\"token operator\">&#061;&#061;&#061;<\/span> fieldId<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>field <span class=\"token operator\">&amp;&amp;<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>currentLocationInfo<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">searchDriveRoute<\/span><span class=\"token punctuation\">(<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>currentLocationInfo<span class=\"token punctuation\">.<\/span>latitude<span class=\"token operator\">!<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>currentLocationInfo<span class=\"token punctuation\">.<\/span>longitude<span class=\"token operator\">!<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        field<span class=\"token punctuation\">.<\/span>latitude<span class=\"token operator\">!<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        field<span class=\"token punctuation\">.<\/span>longitude<span class=\"token operator\">!<\/span><br \/>\n      <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token comment\">\/\/ \u641c\u7d22\u9a7e\u8f66\u8def\u7ebf<\/span><br \/>\n  <span class=\"token keyword\">private<\/span> <span class=\"token function\">searchDriveRoute<\/span><span class=\"token punctuation\">(<\/span><br \/>\n    startLat<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">,<\/span> startLon<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    endLat<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">,<\/span> endLon<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><br \/>\n  <span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>routeSearch<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">const<\/span> startPoint <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">LatLonPoint<\/span><span class=\"token punctuation\">(<\/span>startLat<span class=\"token punctuation\">,<\/span> startLon<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> endPoint <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">LatLonPoint<\/span><span class=\"token punctuation\">(<\/span>endLat<span class=\"token punctuation\">,<\/span> endLon<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> fromAndTo <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">FromAndTo<\/span><span class=\"token punctuation\">(<\/span>startPoint<span class=\"token punctuation\">,<\/span> endPoint<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">const<\/span> query <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">DriveRouteQuery<\/span><span class=\"token punctuation\">(<\/span><br \/>\n      fromAndTo<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">ArrayList<span class=\"token operator\">&lt;<\/span>LatLonPoint<span class=\"token operator\">&gt;<\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">ArrayList<span class=\"token operator\">&lt;<\/span>ArrayList<span class=\"token operator\">&lt;<\/span>LatLonPoint<span class=\"token operator\">&gt;&gt;<\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      <span class=\"token string\">&#039;&#039;<\/span><br \/>\n    <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">const<\/span> listener<span class=\"token operator\">:<\/span> OnRouteSearchListener <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token function-variable function\">onDriveRouteSearched<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">(<\/span>result<span class=\"token punctuation\">,<\/span> errorCode<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">handleRouteResult<\/span><span class=\"token punctuation\">(<\/span>result<span class=\"token punctuation\">,<\/span> errorCode<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      <span class=\"token function-variable function\">onWalkRouteSearched<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      <span class=\"token function-variable function\">onRideRouteSearched<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      <span class=\"token function-variable function\">onBusRouteSearched<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>routeSearch<span class=\"token punctuation\">.<\/span><span class=\"token function\">setRouteSearchListener<\/span><span class=\"token punctuation\">(<\/span>listener<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>routeSearch<span class=\"token punctuation\">.<\/span><span class=\"token function\">calculateDriveRouteAsyn<\/span><span class=\"token punctuation\">(<\/span>query<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token comment\">\/\/ \u5904\u7406\u8def\u7ebf\u7ed3\u679c<\/span><br \/>\n  <span class=\"token keyword\">private<\/span> <span class=\"token function\">handleRouteResult<\/span><span class=\"token punctuation\">(<\/span>result<span class=\"token operator\">:<\/span> DriveRouteResult <span class=\"token operator\">|<\/span> <span class=\"token keyword\">undefined<\/span><span class=\"token punctuation\">,<\/span> errorCode<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>errorCode <span class=\"token operator\">&#061;&#061;&#061;<\/span> AMapException<span class=\"token punctuation\">.<\/span><span class=\"token constant\">CODE_AMAP_SUCCESS<\/span> <span class=\"token operator\">&amp;&amp;<\/span> result<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token keyword\">const<\/span> paths <span class=\"token operator\">&#061;<\/span> result<span class=\"token punctuation\">.<\/span><span class=\"token function\">getPaths<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>paths <span class=\"token operator\">&amp;&amp;<\/span> paths<span class=\"token punctuation\">.<\/span>length <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">const<\/span> path <span class=\"token operator\">&#061;<\/span> paths<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>routeDistance <span class=\"token operator\">&#061;<\/span> <span class=\"token template-string\"><span class=\"token template-punctuation string\">&#096;<\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span><span class=\"token punctuation\">(<\/span>path<span class=\"token punctuation\">.<\/span><span class=\"token function\">getDistance<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">\/<\/span> <span class=\"token number\">1000<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">toFixed<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token string\">\u516c\u91cc<\/span><span class=\"token template-punctuation string\">&#096;<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>routeTime <span class=\"token operator\">&#061;<\/span> <span class=\"token template-string\"><span class=\"token template-punctuation string\">&#096;<\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>Math<span class=\"token punctuation\">.<\/span><span class=\"token function\">floor<\/span><span class=\"token punctuation\">(<\/span>path<span class=\"token punctuation\">.<\/span><span class=\"token function\">getDuration<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">\/<\/span> <span class=\"token number\">60<\/span><span class=\"token punctuation\">)<\/span><span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token string\">\u5206\u949f<\/span><span class=\"token template-punctuation string\">&#096;<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">drawRoute<\/span><span class=\"token punctuation\">(<\/span>path<span class=\"token punctuation\">.<\/span><span class=\"token function\">getSteps<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>showRouteDialog <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token comment\">\/\/ \u7ed8\u5236\u8def\u7ebf<\/span><br \/>\n  <span class=\"token keyword\">private<\/span> <span class=\"token function\">drawRoute<\/span><span class=\"token punctuation\">(<\/span>steps<span class=\"token operator\">:<\/span> ESObject<span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>globalAMap<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>routePolyline<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>routePolyline<span class=\"token punctuation\">.<\/span><span class=\"token function\">remove<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">const<\/span> polylineOptions <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">PolylineOptions<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> stepsArray<span class=\"token operator\">:<\/span> ESObject <span class=\"token operator\">&#061;<\/span> steps<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> length<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span> <span class=\"token operator\">&#061;<\/span> stepsArray<span class=\"token punctuation\">.<\/span>length <span class=\"token keyword\">as<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">let<\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> length<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token keyword\">const<\/span> step<span class=\"token operator\">:<\/span> ESObject <span class=\"token operator\">&#061;<\/span> stepsArray<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span> <span class=\"token keyword\">as<\/span> ESObject<span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token keyword\">const<\/span> polyline<span class=\"token operator\">:<\/span> ESObject <span class=\"token operator\">&#061;<\/span> step<span class=\"token punctuation\">.<\/span>getPolyline<span class=\"token operator\">?.<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">as<\/span> ESObject<span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>polyline<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">const<\/span> polylineLength<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span> <span class=\"token operator\">&#061;<\/span> polyline<span class=\"token punctuation\">.<\/span>length <span class=\"token keyword\">as<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">let<\/span> j <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> j <span class=\"token operator\">&lt;<\/span> polylineLength<span class=\"token punctuation\">;<\/span> j<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n          <span class=\"token keyword\">const<\/span> point<span class=\"token operator\">:<\/span> ESObject <span class=\"token operator\">&#061;<\/span> polyline<span class=\"token punctuation\">[<\/span>j<span class=\"token punctuation\">]<\/span> <span class=\"token keyword\">as<\/span> ESObject<span class=\"token punctuation\">;<\/span><br \/>\n          <span class=\"token keyword\">const<\/span> lat<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span> <span class=\"token operator\">&#061;<\/span> point<span class=\"token punctuation\">.<\/span>getLatitude<span class=\"token operator\">?.<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">as<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">;<\/span><br \/>\n          <span class=\"token keyword\">const<\/span> lon<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span> <span class=\"token operator\">&#061;<\/span> point<span class=\"token punctuation\">.<\/span>getLongitude<span class=\"token operator\">?.<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">as<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">;<\/span><br \/>\n          <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>lat <span class=\"token operator\">&amp;&amp;<\/span> lon<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            polylineOptions<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">LatLng<\/span><span class=\"token punctuation\">(<\/span>lat<span class=\"token punctuation\">,<\/span> lon<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n          <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    polylineOptions<span class=\"token punctuation\">.<\/span><span class=\"token function\">setWidth<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">12<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    polylineOptions<span class=\"token punctuation\">.<\/span><span class=\"token function\">setColor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0xFF2196F3<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    polylineOptions<span class=\"token punctuation\">.<\/span><span class=\"token function\">setZIndex<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">50<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>routePolyline <span class=\"token operator\">&#061;<\/span> globalAMap<span class=\"token punctuation\">.<\/span><span class=\"token function\">addPolyline<\/span><span class=\"token punctuation\">(<\/span>polylineOptions<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>B. POI\u641c\u7d22\u5b8c\u6574\u4ee3\u7801<\/h4>\n<p><span class=\"token comment\">\/**<br \/>\n * \u5730\u56fe\u9875\u9762 &#8211; POI\u641c\u7d22\u529f\u80fd<br \/>\n *\/<\/span><br \/>\n<span class=\"token decorator\"><span class=\"token at operator\">&#064;<\/span><span class=\"token function\">Component<\/span><\/span><br \/>\n<span class=\"token keyword\">export<\/span> struct FieldMapPage <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token comment\">\/\/ POI\u641c\u7d22\u76f8\u5173<\/span><br \/>\n  <span class=\"token keyword\">private<\/span> poiSearch<span class=\"token operator\">:<\/span> PoiSearch <span class=\"token operator\">|<\/span> <span class=\"token keyword\">null<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">private<\/span> poiMarkers<span class=\"token operator\">:<\/span> Marker<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token decorator\"><span class=\"token at operator\">&#064;<\/span><span class=\"token function\">State<\/span><\/span> poiResults<span class=\"token operator\">:<\/span> PoiItem<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token decorator\"><span class=\"token at operator\">&#064;<\/span><span class=\"token function\">State<\/span><\/span> searchRadius<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">5000<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token function\">aboutToAppear<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> context <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">getContext<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">as<\/span> Context<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>poiSearch <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">PoiSearch<\/span><span class=\"token punctuation\">(<\/span>context<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">undefined<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token comment\">\/\/ \u641c\u7d22\u5468\u8fb9POI<\/span><br \/>\n  <span class=\"token keyword\">private<\/span> <span class=\"token function\">searchNearbyPoi<\/span><span class=\"token punctuation\">(<\/span>keyword<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>poiSearch <span class=\"token operator\">||<\/span> <span class=\"token operator\">!<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>currentLocationInfo<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">const<\/span> centerPoint <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">LatLonPoint<\/span><span class=\"token punctuation\">(<\/span><br \/>\n      <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>currentLocationInfo<span class=\"token punctuation\">.<\/span>latitude<span class=\"token operator\">!<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>currentLocationInfo<span class=\"token punctuation\">.<\/span>longitude<span class=\"token operator\">!<\/span><br \/>\n    <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">const<\/span> searchBound <span class=\"token operator\">&#061;<\/span> PoiSearchBound<span class=\"token punctuation\">.<\/span><span class=\"token function\">createCircleSearchBound<\/span><span class=\"token punctuation\">(<\/span><br \/>\n      centerPoint<span class=\"token punctuation\">,<\/span><br \/>\n      <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>searchRadius<br \/>\n    <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">const<\/span> query <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">PoiQuery<\/span><span class=\"token punctuation\">(<\/span>keyword<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    query<span class=\"token punctuation\">.<\/span><span class=\"token function\">setPageSize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">20<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    query<span class=\"token punctuation\">.<\/span><span class=\"token function\">setPageNum<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">const<\/span> listener<span class=\"token operator\">:<\/span> OnPoiSearchListener <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token function-variable function\">onPoiSearched<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">(<\/span>result<span class=\"token punctuation\">,<\/span> errorCode<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">handlePoiResult<\/span><span class=\"token punctuation\">(<\/span>result<span class=\"token punctuation\">,<\/span> errorCode<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      <span class=\"token function-variable function\">onPoiItemSearched<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>poiSearch<span class=\"token punctuation\">.<\/span><span class=\"token function\">setOnPoiSearchListener<\/span><span class=\"token punctuation\">(<\/span>listener<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>poiSearch<span class=\"token punctuation\">.<\/span><span class=\"token function\">setBound<\/span><span class=\"token punctuation\">(<\/span>searchBound<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>poiSearch<span class=\"token punctuation\">.<\/span><span class=\"token function\">setQuery<\/span><span class=\"token punctuation\">(<\/span>query<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>poiSearch<span class=\"token punctuation\">.<\/span><span class=\"token function\">searchPOIAsyn<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token comment\">\/\/ \u5904\u7406POI\u7ed3\u679c<\/span><br \/>\n  <span class=\"token keyword\">private<\/span> <span class=\"token function\">handlePoiResult<\/span><span class=\"token punctuation\">(<\/span>result<span class=\"token operator\">:<\/span> PoiResult <span class=\"token operator\">|<\/span> <span class=\"token keyword\">undefined<\/span><span class=\"token punctuation\">,<\/span> errorCode<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>globalAMap<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">clearPoiResults<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>errorCode <span class=\"token operator\">&#061;&#061;&#061;<\/span> AMapException<span class=\"token punctuation\">.<\/span><span class=\"token constant\">CODE_AMAP_SUCCESS<\/span> <span class=\"token operator\">&amp;&amp;<\/span> result<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token keyword\">const<\/span> pois <span class=\"token operator\">&#061;<\/span> result<span class=\"token punctuation\">.<\/span><span class=\"token function\">getPois<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>pois <span class=\"token operator\">&amp;&amp;<\/span> pois<span class=\"token punctuation\">.<\/span>length <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>poiResults <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">let<\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> pois<span class=\"token punctuation\">.<\/span>length<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n          <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>poiResults<span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span>pois<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u6dfb\u52a0\u6807\u8bb0<\/span><br \/>\n        <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> poi <span class=\"token keyword\">of<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>poiResults<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n          <span class=\"token keyword\">const<\/span> latLon <span class=\"token operator\">&#061;<\/span> poi<span class=\"token punctuation\">.<\/span><span class=\"token function\">getLatLonPoint<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n          <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>latLon<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">const<\/span> markerOptions <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">MarkerOptions<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            markerOptions<span class=\"token punctuation\">.<\/span><span class=\"token function\">setPosition<\/span><span class=\"token punctuation\">(<\/span><br \/>\n              <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">LatLng<\/span><span class=\"token punctuation\">(<\/span>latLon<span class=\"token punctuation\">.<\/span><span class=\"token function\">getLatitude<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> latLon<span class=\"token punctuation\">.<\/span><span class=\"token function\">getLongitude<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            markerOptions<span class=\"token punctuation\">.<\/span><span class=\"token function\">setTitle<\/span><span class=\"token punctuation\">(<\/span>poi<span class=\"token punctuation\">.<\/span><span class=\"token function\">getTitle<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            markerOptions<span class=\"token punctuation\">.<\/span><span class=\"token function\">setIcon<\/span><span class=\"token punctuation\">(<\/span><br \/>\n              BitmapDescriptorFactory<span class=\"token punctuation\">.<\/span><span class=\"token function\">defaultMarker<\/span><span class=\"token punctuation\">(<\/span><br \/>\n                BitmapDescriptorFactory<span class=\"token punctuation\">.<\/span><span class=\"token constant\">HUE_MAGENTA<\/span><br \/>\n              <span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token keyword\">const<\/span> marker <span class=\"token operator\">&#061;<\/span> globalAMap<span class=\"token punctuation\">.<\/span><span class=\"token function\">addMarker<\/span><span class=\"token punctuation\">(<\/span>markerOptions<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>marker<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n              <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>poiMarkers<span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span>marker<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n          <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token comment\">\/\/ \u6e05\u9664POI\u7ed3\u679c<\/span><br \/>\n  <span class=\"token keyword\">private<\/span> <span class=\"token function\">clearPoiResults<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> marker <span class=\"token keyword\">of<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>poiMarkers<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      marker<span class=\"token punctuation\">.<\/span><span class=\"token function\">remove<\/span><span class=\"token punctuation\">(<\/span><span class=\"token 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