{"id":117464,"date":"2026-10-24T22:52:50","date_gmt":"2026-10-24T14:52:50","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/117464.html"},"modified":"2026-10-24T22:52:50","modified_gmt":"2026-10-24T14:52:50","slug":"%e3%80%90%e9%b8%bf%e8%92%99%e5%bf%83%e8%bf%b9%e3%80%91harmonyos%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b007%ef%bc%9aarkts%e6%95%b0%e7%bb%84%e6%93%8d%e4%bd%9c","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/117464.html","title":{"rendered":"\u3010\u9e3f\u8499\u5fc3\u8ff9\u3011HarmonyOS\u5b66\u4e60\u7b14\u8bb007\uff1aArkTS\u6570\u7ec4\u64cd\u4f5c"},"content":{"rendered":"<\/p>\n<p align=\"center\"> <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/10\/20261024145230-6adcc62e928b2.jpg\" width=\"122\" height=\"121\" alt=\"avatar\" \/> <\/p>\n<p align=\"center\"> &#x1f525; <b>\u4e2a\u4eba\u4e3b\u9875&#xff1a;<\/b> \u6768\u5229\u6770YJlio <\/p>\n<p align=\"center\"> \u2744\ufe0f <b>\u4e2a\u4eba\u4e13\u680f&#xff1a;<\/b> \u300aWindows \u7591\u96be\u6742\u75c7\u4e0e\u5de5\u5355\u590d\u76d8\u6848\u4f8b\u5e93\u300b \u00a0\u00a0\u00a0 \u300aSysinternals\u5b9e\u6218\u6559\u7a0b\u300b <\/p>\n<p align=\"center\"> \u300aWINDOWS\u6559\u7a0b\u300b \u00a0\u00a0\u00a0 \u300aWindows PowerShell \u5b9e\u6218\u300b \u00a0\u00a0\u00a0 \u300aIOS\u63d2\u4ef6\u5206\u6790\u6d4b\u8bd5\u300b <\/p>\n<p align=\"center\"> \u300a\u8d85\u7b80\u5355&#xff1a;\u7528Python\u8ba9Excel\u98de\u8d77\u6765\u300b <\/p>\n<p align=\"center\"> &#x1f31f; <b><font color=\"#ed7976\">\u8ba9\u590d\u6742\u7684\u4e8b\u60c5\u66f4\u7b80\u5355&#xff0c;\u8ba9\u91cd\u590d\u7684\u5de5\u4f5c\u81ea\u52a8\u5316<\/font><\/b> <\/p>\n<p align=\"center\"> <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/10\/20261024145231-6adcc62f502d4.gif\" alt=\"divider\" \/> <\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/10\/20261024145231-6adcc62f60937.png\" alt=\"\u6768\u5229\u6770YJlio\u535a\u5ba2\u5934\u56fe\" \/><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/10\/20261024145232-6adcc63068fa5.png\" alt=\"ArkTS\u6570\u7ec4\u904d\u5386\u4e0e\u7b5b\u9009\" \/><\/p>\n<\/p>\n<h4>\u6587\u7ae0\u76ee\u5f55<\/h4>\n<ul>\n<li>\n<ul>\n<li>\u524d\u8a00&#xff1a;\u4e00\u7ec4\u5de5\u5355\u8981\u5148\u8bf4\u6e05\u64cd\u4f5c\u76ee\u7684<\/li>\n<li>\u4e00\u3001\u5148\u5b9a\u4e49\u6570\u7ec4\u5143\u7d20\u7684\u7ed3\u6784<\/li>\n<li>\u4e8c\u3001for&#8230;of&#xff1a;\u9010\u9879\u6267\u884c\u52a8\u4f5c<\/li>\n<li>\u4e09\u3001map&#xff1a;\u4ece\u5143\u7d20\u751f\u6210\u65b0\u7684\u503c<\/li>\n<li>\u56db\u3001filter&#xff1a;\u4fdd\u7559\u7b26\u5408\u6761\u4ef6\u7684\u8bb0\u5f55<\/li>\n<li>\u4e94\u3001find&#xff1a;\u627e\u5230\u7b2c\u4e00\u6761&#xff0c;\u6216\u8fd4\u56de undefined<\/li>\n<li>\u516d\u3001\u5148\u7b5b\u9009&#xff0c;\u518d\u8f6c\u6362\u663e\u793a\u6587\u672c<\/li>\n<li>\u4e03\u3001\u65b0\u6570\u7ec4\u4e0e\u539f\u5bf9\u8c61\u53ef\u80fd\u5171\u4eab\u5f15\u7528<\/li>\n<li>\u516b\u3001\u8bb0\u5f55\u7a7a\u7ed3\u679c\u3001\u987a\u5e8f\u4e0e\u5b57\u6bb5\u53d8\u5316<\/li>\n<li>\u5b66\u4e60\u603b\u7ed3<\/li>\n<li>\u53c2\u8003\u8d44\u6599<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>\u524d\u8a00&#xff1a;\u4e00\u7ec4\u5de5\u5355\u8981\u5148\u8bf4\u6e05\u64cd\u4f5c\u76ee\u7684<\/h3>\n<p>\u5927\u5bb6\u597d&#xff0c;\u6211\u662f\u6768\u5229\u6770 YJlio\u3002<\/p>\n<p>\u4e0a\u4e00\u7bc7\u628a\u4e00\u6761\u5de5\u5355\u7ec4\u7ec7\u6210\u5bf9\u8c61\u3002\u8fd9\u7bc7\u628a\u8bb0\u5f55\u653e\u8fdb\u6570\u7ec4&#xff0c;\u5206\u522b\u7ec3\u4e60\u9010\u9879\u5904\u7406\u3001\u63d0\u53d6\u6807\u9898\u3001\u7b5b\u9009\u672a\u5b8c\u6210\u8bb0\u5f55\u548c\u67e5\u627e\u7f16\u53f7\u3002<\/p>\n<p>\u6211\u7684\u505a\u6cd5\u662f\u5148\u95ee\u201c\u9700\u8981\u4ec0\u4e48\u7ed3\u679c\u201d&#xff0c;\u518d\u9009\u62e9 for&#8230;of\u3001map\u3001filter \u6216 find\u3002\u8fd9\u662f HarmonyOS 7.0 \u5b66\u4e60\u7b14\u8bb0\u7b2c 07 \u7bc7\u3002<\/p>\n<p><font color=\"red\">\u8fd4\u56de\u65b0\u6570\u7ec4\u4e0d\u7b49\u4e8e\u6df1\u62f7\u8d1d&#xff1b;\u67e5\u627e\u7ed3\u679c\u4e5f\u53ef\u80fd\u4e0d\u5b58\u5728\u3002<\/font><\/p>\n<table>\n<tr>\u73af\u5883\u9879\u5b9e\u9645\u8bb0\u5f55<\/tr>\n<tbody>\n<tr>\n<td>DevEco Studio<\/td>\n<td>\u5f85\u586b\u5199<\/td>\n<\/tr>\n<tr>\n<td>SDK\/API\u4e0eArkTS\u5de5\u5177\u94fe<\/td>\n<td>\u5f85\u586b\u5199<\/td>\n<\/tr>\n<tr>\n<td>\u5de5\u7a0b<\/td>\n<td>\u5f53\u524d ArkTS \u7ec3\u4e60\u5de5\u7a0b<\/td>\n<\/tr>\n<tr>\n<td>\u6570\u636e\u6765\u6e90<\/td>\n<td>\u5185\u5b58\u4e2d\u7684\u4e09\u6761\u793a\u4f8b\u8bb0\u5f55<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u672c\u6587\u914d\u56fe\u4e3a\u77e5\u8bc6\u793a\u610f\u56fe\u3002\u793a\u4f8b\u6ca1\u6709\u8fde\u63a5\u7f51\u7edc\u3001\u6570\u636e\u5e93\u6216\u771f\u5b9e\u5de5\u5355\u7cfb\u7edf&#xff0c;\u4e5f\u6ca1\u6709\u9884\u5148\u586b\u5199\u672c\u673a\u65e5\u5fd7\u4e0e\u6784\u5efa\u7ed3\u679c\u3002<\/p>\n<h3>\u4e00\u3001\u5148\u5b9a\u4e49\u6570\u7ec4\u5143\u7d20\u7684\u7ed3\u6784<\/h3>\n<p>\u4e3a\u96c6\u4e2d\u7ec3\u4e60\u6570\u7ec4&#xff0c;\u6211\u4f7f\u7528\u53ea\u5305\u542b\u5217\u8868\u6240\u9700\u5b57\u6bb5\u7684 TicketListItem\u3002\u5b83\u4e0e\u4e0a\u4e00\u7bc7\u5b8c\u6574\u7684 Ticket \u5206\u5f00\u547d\u540d&#xff0c;\u4e0d\u628a\u4e09\u5b57\u6bb5\u5bf9\u8c61\u5f53\u4f5c\u4e94\u5b57\u6bb5\u6a21\u578b\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/10\/20261024145234-6adcc6326f039.png\" alt=\"\u4e09\u6761\u5de5\u5355\u4e0e\u5143\u7d20\u7c7b\u578b\" \/><\/p>\n<p><span class=\"token keyword\">enum<\/span> TicketStatus <span class=\"token punctuation\">{<\/span><br \/>\n  New <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  Processing <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  Resolved <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">2<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">interface<\/span> <span class=\"token class-name\">TicketListItem<\/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  title<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  status<span class=\"token operator\">:<\/span> TicketStatus<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">const<\/span> tickets<span class=\"token operator\">:<\/span> TicketListItem<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 punctuation\">{<\/span> id<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;T-1001&#039;<\/span><span class=\"token punctuation\">,<\/span> title<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;\u65e0\u6cd5\u8fde\u63a5\u529e\u516c\u7f51\u7edc&#039;<\/span><span class=\"token punctuation\">,<\/span> status<span class=\"token operator\">:<\/span> TicketStatus<span class=\"token punctuation\">.<\/span>New <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token punctuation\">{<\/span> id<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;T-1002&#039;<\/span><span class=\"token punctuation\">,<\/span> title<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;\u6253\u5370\u673a\u65e0\u6cd5\u51fa\u7eb8&#039;<\/span><span class=\"token punctuation\">,<\/span> status<span class=\"token operator\">:<\/span> TicketStatus<span class=\"token punctuation\">.<\/span>Processing <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token punctuation\">{<\/span> id<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;T-1003&#039;<\/span><span class=\"token punctuation\">,<\/span> title<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;\u8d26\u53f7\u5df2\u89e3\u9501&#039;<\/span><span class=\"token punctuation\">,<\/span> status<span class=\"token operator\">:<\/span> TicketStatus<span class=\"token punctuation\">.<\/span>Resolved <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>TicketListItem[] \u8bf4\u660e\u5143\u7d20\u7684\u7c7b\u578b\u3002\u6807\u8bc6\u3001\u6807\u9898\u548c\u72b6\u6001\u90fd\u6765\u81ea\u672c\u7bc7\u7ec3\u4e60\u6570\u636e&#xff1b;\u5916\u90e8\u6570\u636e\u4ecd\u9700\u89e3\u6790\u548c\u6821\u9a8c\u3002<\/p>\n<p>\u8fd9\u91cc\u4f7f\u7528\u666e\u901a\u6570\u7ec4&#xff0c;\u4e0d\u662f\u8de8\u5e76\u53d1\u4efb\u52a1\u7684 collections.Array\u3002\u534e\u4e3a\u5171\u4eab\u5bb9\u5668\u8bf4\u660e\u5217\u51fa\u4e86\u5171\u4eab\u5bb9\u5668\u4e0e\u539f\u751f\u5bb9\u5668\u7684\u533a\u522b&#xff0c;\u9605\u8bfb\u63a5\u53e3\u65f6\u8981\u5148\u786e\u8ba4\u662f\u54ea\u4e00\u79cd\u3002<\/p>\n<h3>\u4e8c\u3001for\u2026of&#xff1a;\u9010\u9879\u6267\u884c\u52a8\u4f5c<\/h3>\n<p>\u9700\u8981\u8bb0\u5f55\u6bcf\u6761\u5de5\u5355\u6216\u7d2f\u8ba1\u7ed3\u679c\u65f6&#xff0c;\u6211\u5148\u4f7f\u7528\u80fd\u76f4\u63a5\u8bfb\u51fa\u76ee\u7684\u7684\u5faa\u73af\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/10\/20261024145236-6adcc63446ec1.png\" alt=\"for...of\u9010\u9879\u6267\u884c\u52a8\u4f5c\" \/><\/p>\n<p><span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> item <span class=\"token keyword\">of<\/span> tickets<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 interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>item<span class=\"token punctuation\">.<\/span>id<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token string\">: <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>item<span class=\"token punctuation\">.<\/span>title<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><\/p>\n<p>\u5faa\u73af\u6bcf\u6b21\u53d6\u5f97\u5f53\u524d\u5143\u7d20&#xff0c;\u518d\u6267\u884c\u65b9\u6cd5\u4f53\u3002\u8fd9\u91cc\u4ec5\u8f93\u51fa\u6587\u672c&#xff0c;\u4e0d\u4fee\u6539\u5143\u7d20&#xff0c;\u4e5f\u4e0d\u6539\u53d8\u6570\u7ec4\u7ed3\u6784\u3002<\/p>\n<p>\u8fd9\u4e0d\u662f\u5df2\u7ecf\u8fd0\u884c\u8fc7\u7684\u65e5\u5fd7\u622a\u56fe\u3002\u5b9e\u9645\u6267\u884c\u4f4d\u7f6e\u6309\u5de5\u7a0b\u7ec4\u7ec7\u65b9\u5f0f\u786e\u5b9a&#xff0c;\u6784\u5efa\u4e0e\u65e5\u5fd7\u8bb0\u5f55\u90fd\u9700\u8981\u672c\u673a\u5b8c\u6210\u3002<\/p>\n<h3>\u4e09\u3001map&#xff1a;\u4ece\u5143\u7d20\u751f\u6210\u65b0\u7684\u503c<\/h3>\n<p>\u53ea\u9700\u8981\u6807\u9898\u5217\u8868\u65f6&#xff0c;\u6211\u7528 map \u8868\u8fbe\u201c\u6bcf\u6761\u5de5\u5355\u8f6c\u6210\u4e00\u4e2a\u6807\u9898\u201d\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/10\/20261024145238-6adcc63637d29.png\" alt=\"map\u8f6c\u6362\u4e3a\u65b0\u6570\u7ec4\" \/><\/p>\n<p><span class=\"token keyword\">const<\/span> titles<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> tickets<span class=\"token punctuation\">.<\/span><span class=\"token function\">map<\/span><span class=\"token punctuation\">(<\/span><br \/>\n  <span class=\"token punctuation\">(<\/span>item<span class=\"token operator\">:<\/span> TicketListItem<span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span> <span class=\"token operator\">&#061;&gt;<\/span> item<span class=\"token punctuation\">.<\/span>title<br \/>\n<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u672c\u4f8b\u662f\u7a20\u5bc6\u6570\u7ec4&#xff0c;\u56de\u8c03\u53ea\u8bfb\u53d6\u6807\u9898&#xff0c;\u7ed3\u679c\u5e94\u6309\u539f\u987a\u5e8f\u5305\u542b\u4e09\u4e2a\u6807\u9898\u3002\u7a7a\u6570\u7ec4\u6620\u5c04\u540e\u4ecd\u662f\u7a7a\u6570\u7ec4\u3002<\/p>\n<p>\u8fd9\u4e2a\u65b0\u6570\u7ec4\u4fdd\u5b58\u5b57\u7b26\u4e32&#xff0c;\u6ca1\u6709\u7ee7\u7eed\u4fdd\u7559\u5b8c\u6574\u5de5\u5355\u5b57\u6bb5\u3002\u5982\u679c\u8be6\u60c5\u9875\u9700\u8981\u6807\u8bc6\u3001\u72b6\u6001\u7b49\u4fe1\u606f&#xff0c;\u5e94\u4fdd\u7559\u5b8c\u6574\u5bf9\u8c61&#xff0c;\u4e0d\u80fd\u4ece\u4e00\u4efd\u6807\u9898\u6570\u7ec4\u731c\u56de\u8bb0\u5f55\u3002<\/p>\n<p>map \u672c\u8eab\u4e0d\u8981\u6c42\u4fee\u6539\u6e90\u6570\u7ec4&#xff0c;\u4f46\u56de\u8c03\u4ecd\u53ef\u4ee5\u4ea7\u751f\u526f\u4f5c\u7528\u3002\u672c\u7bc7\u4fdd\u6301\u56de\u8c03\u53ea\u8bfb&#xff0c;\u907f\u514d\u628a\u8f6c\u6362\u548c\u4fee\u6539\u6df7\u5728\u4e00\u8d77\u3002<\/p>\n<h3>\u56db\u3001filter&#xff1a;\u4fdd\u7559\u7b26\u5408\u6761\u4ef6\u7684\u8bb0\u5f55<\/h3>\n<p>\u8981\u5f97\u5230\u672a\u5b8c\u6210\u5de5\u5355&#xff0c;\u6211\u7528\u72b6\u6001\u6761\u4ef6\u6392\u9664 Resolved&#xff0c;\u800c\u4e0d\u662f\u5220\u9664\u539f\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/10\/20261024145240-6adcc63815883.png\" alt=\"filter\u4fdd\u7559\u5339\u914d\u5143\u7d20\" \/><\/p>\n<p><span class=\"token keyword\">const<\/span> active<span class=\"token operator\">:<\/span> TicketListItem<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> tickets<span class=\"token punctuation\">.<\/span><span class=\"token function\">filter<\/span><span class=\"token punctuation\">(<\/span><br \/>\n  <span class=\"token punctuation\">(<\/span>item<span class=\"token operator\">:<\/span> TicketListItem<span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token builtin\">boolean<\/span> <span class=\"token operator\">&#061;&gt;<\/span> item<span class=\"token punctuation\">.<\/span>status <span class=\"token operator\">!&#061;&#061;<\/span> TicketStatus<span class=\"token punctuation\">.<\/span>Resolved<br \/>\n<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u6309\u793a\u4f8b\u63a8\u5bfc&#xff0c;\u7ed3\u679c\u4fdd\u7559 T-1001 \u548c T-1002&#xff0c;\u987a\u5e8f\u4e0e\u539f\u6570\u7ec4\u4e00\u81f4\u3002\u5b83\u4e0d\u4f1a\u8d1f\u8d23\u6392\u5e8f&#xff1b;\u6ca1\u6709\u5339\u914d\u9879\u65f6&#xff0c;\u7ed3\u679c\u53ef\u4ee5\u662f\u7a7a\u6570\u7ec4\u3002<\/p>\n<p>\u8fd9\u4e9b\u662f\u4ee3\u7801\u9605\u8bfb\u5f97\u5230\u7684\u9884\u671f&#xff0c;\u4e0d\u662f\u672c\u673a\u8fd0\u884c\u8bc1\u636e\u3002\u5b9e\u9645\u6570\u91cf\u4e0e\u5185\u5bb9\u4ecd\u9700\u8bb0\u5f55\u3002<\/p>\n<p><font color=\"red\">\u7b5b\u9009\u7ed3\u679c\u4e3a\u7a7a\u901a\u5e38\u662f\u6b63\u5e38\u4e1a\u52a1\u7ed3\u679c&#xff0c;\u4e0d\u5e94\u5047\u8bbe\u81f3\u5c11\u6709\u4e00\u6761\u8bb0\u5f55\u3002<\/font><\/p>\n<h3>\u4e94\u3001find&#xff1a;\u627e\u5230\u7b2c\u4e00\u6761&#xff0c;\u6216\u8fd4\u56de undefined<\/h3>\n<p>\u67e5\u8be2\u7279\u5b9a\u6807\u8bc6\u65f6&#xff0c;\u6211\u7528 find\u3002\u5b83\u8fd4\u56de\u7b2c\u4e00\u4e2a\u5339\u914d\u5143\u7d20&#xff0c;\u627e\u4e0d\u5230\u65f6\u8fd4\u56de undefined\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/10\/20261024145241-6adcc639dd895.png\" alt=\"find\u4e0e\u672a\u627e\u5230\u5206\u652f\" \/><\/p>\n<p><span class=\"token keyword\">const<\/span> selected<span class=\"token operator\">:<\/span> TicketListItem <span class=\"token operator\">|<\/span> <span class=\"token keyword\">undefined<\/span> <span class=\"token operator\">&#061;<\/span> tickets<span class=\"token punctuation\">.<\/span><span class=\"token function\">find<\/span><span class=\"token punctuation\">(<\/span><br \/>\n  <span class=\"token punctuation\">(<\/span>item<span class=\"token operator\">:<\/span> TicketListItem<span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token builtin\">boolean<\/span> <span class=\"token operator\">&#061;&gt;<\/span> item<span class=\"token punctuation\">.<\/span>id <span class=\"token operator\">&#061;&#061;&#061;<\/span> <span class=\"token string\">&#039;T-1002&#039;<\/span><br \/>\n<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>selected <span class=\"token operator\">&#061;&#061;&#061;<\/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;\u672a\u627e\u5230\u5de5\u5355&#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\">info<\/span><span class=\"token punctuation\">(<\/span>selected<span class=\"token punctuation\">.<\/span>title<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u67e5\u627e\u7b2c\u4e00\u6761\u5339\u914d\u9879\u4e0d\u7b49\u4e8e\u68c0\u67e5\u6807\u8bc6\u552f\u4e00\u3002\u5982\u679c\u91cd\u590d\u6807\u8bc6\u4f1a\u9020\u6210\u95ee\u9898&#xff0c;\u9700\u8981\u5728\u6570\u636e\u5c42\u53e6\u5916\u4fdd\u8bc1\u552f\u4e00\u6027\u3002<\/p>\n<p>\u6211\u4e5f\u4f1a\u7528\u4e0d\u5b58\u5728\u7684 T-9999 \u7ec3\u4e60\u672a\u627e\u5230\u5206\u652f\u3002\u4e0d\u8981\u4e3a\u4e86\u6d88\u9664\u63d0\u793a\u4f7f\u7528\u975e\u7a7a\u65ad\u8a00&#xff0c;\u5426\u5219\u65e0\u8bb0\u5f55\u573a\u666f\u4ecd\u7136\u6ca1\u6709\u5904\u7406\u3002<\/p>\n<h3>\u516d\u3001\u5148\u7b5b\u9009&#xff0c;\u518d\u8f6c\u6362\u663e\u793a\u6587\u672c<\/h3>\n<p>\u5f53\u76ee\u6807\u662f\u201c\u672a\u5b8c\u6210\u5de5\u5355\u7684\u663e\u793a\u6587\u672c\u201d&#xff0c;\u53ef\u4ee5\u628a\u7b5b\u9009\u548c\u8f6c\u6362\u6309\u6b65\u9aa4\u8fde\u63a5\u8d77\u6765\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/10\/20261024145243-6adcc63bb6552.png\" alt=\"\u5148filter\u518dmap\" \/><\/p>\n<p><span class=\"token keyword\">const<\/span> labels<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> active<span class=\"token punctuation\">.<\/span><span class=\"token function\">map<\/span><span class=\"token punctuation\">(<\/span><br \/>\n  <span class=\"token punctuation\">(<\/span>item<span class=\"token operator\">:<\/span> TicketListItem<span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token template-string\"><span class=\"token template-punctuation string\">&#096;<\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>item<span class=\"token punctuation\">.<\/span>id<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token string\"> &#8211; <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>item<span class=\"token punctuation\">.<\/span>title<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">&#096;<\/span><\/span><br \/>\n<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\">const<\/span> label <span class=\"token keyword\">of<\/span> labels<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>label<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u8fd9\u91cc\u6cbf\u7528\u524d\u9762\u5f97\u5230\u7684 active\u3002\u7b5b\u9009\u8d1f\u8d23\u51b3\u5b9a\u4fdd\u7559\u54ea\u4e9b\u8bb0\u5f55&#xff0c;\u6620\u5c04\u8d1f\u8d23\u51b3\u5b9a\u663e\u793a\u54ea\u4e9b\u6587\u5b57&#xff1b;\u6bcf\u4e00\u6b65\u7684\u7ed3\u679c\u7c7b\u578b\u90fd\u660e\u786e\u3002<\/p>\n<p>\u4e0d\u8981\u628a\u8fd9\u6bb5\u6587\u672c\u751f\u6210\u903b\u8f91\u5f53\u6210 ArkUI \u5217\u8868\u6e32\u67d3\u3002\u5b83\u8fd8\u6ca1\u6709\u63a5\u5165\u9875\u9762\u72b6\u6001\u6216\u7ec4\u4ef6&#xff0c;\u540e\u7eed\u7ae0\u8282\u518d\u8fde\u63a5\u754c\u9762\u3002<\/p>\n<h3>\u4e03\u3001\u65b0\u6570\u7ec4\u4e0e\u539f\u5bf9\u8c61\u53ef\u80fd\u5171\u4eab\u5f15\u7528<\/h3>\n<p>\u6211\u4f1a\u628a\u201c\u6570\u7ec4\u5bb9\u5668\u4e0d\u540c\u201d\u548c\u201c\u5185\u90e8\u5bf9\u8c61\u662f\u5426\u72ec\u7acb\u201d\u5206\u5f00\u89c2\u5bdf&#xff0c;\u907f\u514d\u7b5b\u9009\u540e\u8bef\u6539\u539f\u8bb0\u5f55\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/10\/20261024145245-6adcc63d76ce1.png\" alt=\"\u65b0\u6570\u7ec4\u4e0d\u7b49\u4e8e\u6df1\u62f7\u8d1d\" \/><\/p>\n<p>\u5728\u672c\u4f8b\u4e2d&#xff0c;filter \u521b\u5efa\u65b0\u7684\u6570\u7ec4\u5bb9\u5668&#xff0c;\u4fdd\u7559\u4e0b\u6765\u7684\u4ecd\u662f\u539f\u5bf9\u8c61&#xff1b;find \u8fd4\u56de\u7684\u4e5f\u662f\u539f\u6570\u7ec4\u4e2d\u7684\u5339\u914d\u5bf9\u8c61\u3002\u8bfb\u53d6\u6ca1\u95ee\u9898&#xff0c;\u4fee\u6539\u5c5e\u6027\u5219\u53ef\u80fd\u53cd\u6620\u5230\u6e90\u8bb0\u5f55\u3002<\/p>\n<p>\u56e0\u6b64&#xff0c;\u201c\u64cd\u4f5c\u524d\u540e tickets.length \u6ca1\u53d8\u201d\u53ea\u80fd\u8bf4\u660e\u6570\u91cf\u6ca1\u53d8&#xff0c;\u4e0d\u80fd\u8bc1\u660e\u6240\u6709\u5bf9\u8c61\u5c5e\u6027\u90fd\u6ca1\u6709\u53d8\u5316\u3002\u89c2\u5bdf\u6e90\u6570\u636e\u65f6&#xff0c;\u6570\u91cf\u3001\u987a\u5e8f\u548c\u5b57\u6bb5\u503c\u90fd\u8981\u770b\u3002<\/p>\n<p>push\u3001splice \u548c\u666e\u901a\u6570\u7ec4\u7684 sort \u4f1a\u6539\u53d8\u6570\u7ec4\u3002\u672c\u7bc7\u4e0d\u5728\u539f\u6570\u7ec4\u4e0a\u8fdb\u884c\u8fd9\u4e9b\u64cd\u4f5c&#xff1b;\u9700\u8981\u6392\u5e8f\u65f6\u5e94\u660e\u786e\u89c4\u5219\u548c\u590d\u5236\u8303\u56f4\u3002\u6d45\u590d\u5236\u5bb9\u5668\u4ecd\u4e0d\u4f1a\u81ea\u52a8\u6df1\u62f7\u8d1d\u5bf9\u8c61\u3002<\/p>\n<p><font color=\"red\">\u4e0d\u8981\u53ea\u6bd4\u8f83\u6570\u7ec4\u957f\u5ea6&#xff0c;\u5c31\u8ba4\u5b9a\u6e90\u6570\u636e\u5b8c\u5168\u6ca1\u6709\u53d8\u5316\u3002<\/font><\/p>\n<h3>\u516b\u3001\u8bb0\u5f55\u7a7a\u7ed3\u679c\u3001\u987a\u5e8f\u4e0e\u5b57\u6bb5\u53d8\u5316<\/h3>\n<p>\u672c\u673a\u5b9e\u9a8c\u65f6&#xff0c;\u6211\u4f1a\u5148\u8bb0\u5f55\u539f\u6570\u7ec4&#xff0c;\u518d\u9010\u9879\u8fd0\u884c\u8f6c\u6362\u3001\u7b5b\u9009\u548c\u67e5\u627e&#xff0c;\u6700\u540e\u6bd4\u8f83\u6570\u91cf\u3001\u987a\u5e8f\u548c\u5b57\u6bb5\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/10\/20261024145247-6adcc63f3d732.png\" alt=\"\u6570\u7ec4\u64cd\u4f5c\u6838\u9a8c\u8bb0\u5f55\" \/><\/p>\n<li>\u4fdd\u7559\u6a21\u677f&#xff0c;\u5728\u5408\u9002\u7684\u903b\u8f91\u6587\u4ef6\u6216\u5df2\u6709\u6267\u884c\u4f4d\u7f6e\u52a0\u5165\u793a\u4f8b\u3002<\/li>\n<li>\u6784\u5efa\u540e\u8bb0\u5f55\u5de5\u5177\u94fe\u7248\u672c\u4e0e\u7ed3\u679c\u3002<\/li>\n<li>\u8bb0\u5f55\u539f\u6570\u7ec4\u6807\u8bc6\u987a\u5e8f\u548c\u5b57\u6bb5\u503c\u3002<\/li>\n<li>\u8fd0\u884c map\u3001filter\u3001find&#xff0c;\u9010\u9879\u4fdd\u5b58\u771f\u5b9e\u8f93\u51fa\u3002<\/li>\n<li>\u67e5\u8be2\u4e0d\u5b58\u5728\u7f16\u53f7&#xff0c;\u786e\u8ba4\u8d70\u672a\u627e\u5230\u5206\u652f\u3002<\/li>\n<li>\u6bd4\u8f83\u6e90\u6570\u7ec4\u6570\u91cf\u3001\u987a\u5e8f\u548c\u5b57\u6bb5&#xff1b;\u4e0d\u8981\u5728\u56de\u8c03\u4e2d\u589e\u52a0\u4fee\u6539\u64cd\u4f5c\u3002<\/li>\n<table>\n<tr>\u64cd\u4f5c\u672c\u7bc7\u9884\u671f\u672c\u673a\u5b9e\u9645\u8bb0\u5f55<\/tr>\n<tbody>\n<tr>\n<td>\u63d0\u53d6\u6807\u9898<\/td>\n<td>\u6309\u539f\u987a\u5e8f\u5f97\u5230\u4e09\u4e2a\u6807\u9898<\/td>\n<td>\u5f85\u586b\u5199<\/td>\n<\/tr>\n<tr>\n<td>\u6392\u9664\u5df2\u89e3\u51b3\u72b6\u6001<\/td>\n<td>\u4fdd\u7559 T-1001\u3001T-1002<\/td>\n<td>\u5f85\u586b\u5199<\/td>\n<\/tr>\n<tr>\n<td>\u67e5\u627e T-1002<\/td>\n<td>\u8fd4\u56de\u8be5\u8bb0\u5f55<\/td>\n<td>\u5f85\u586b\u5199<\/td>\n<\/tr>\n<tr>\n<td>\u67e5\u627e T-9999<\/td>\n<td>undefined<\/td>\n<td>\u5f85\u586b\u5199<\/td>\n<\/tr>\n<tr>\n<td>\u6bd4\u8f83\u6e90\u6570\u636e<\/td>\n<td>\u672c\u4f8b\u53ea\u8bfb\u56de\u8c03\u4e0d\u4fee\u6539\u6e90\u6570\u636e<\/td>\n<td>\u5f85\u586b\u5199<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5982\u679c\u666e\u901a\u6570\u7ec4\u64cd\u4f5c\u5f97\u5230\u6b63\u786e\u7ed3\u679c&#xff0c;\u9875\u9762\u5374\u6ca1\u5237\u65b0&#xff0c;\u8fd8\u8981\u68c0\u67e5\u5f53\u524d ArkUI \u72b6\u6001\u7ba1\u7406\u673a\u5236\u3002\u7c7b\u578b\u6b63\u786e\u3001\u96c6\u5408\u7ed3\u679c\u6b63\u786e\u4e0e\u754c\u9762\u66f4\u65b0\u662f\u4e0d\u540c\u7684\u6838\u9a8c\u9879\u3002<\/p>\n<h3>\u5b66\u4e60\u603b\u7ed3<\/h3>\n<p>\u8fd9\u7bc7\u6211\u7528\u4e00\u7ec4\u5de5\u5355\u5206\u522b\u7ec3\u4e60\u904d\u5386\u3001\u8f6c\u6362\u3001\u7b5b\u9009\u548c\u67e5\u627e\u3002\u9009\u62e9\u65b9\u6cd5\u524d\u5148\u660e\u786e\u7ed3\u679c\u7c7b\u578b&#xff0c;\u518d\u5904\u7406\u7a7a\u6570\u7ec4\u3001\u672a\u627e\u5230\u548c\u5bf9\u8c61\u5f15\u7528\u3002<\/p>\n<p>\u53d1\u5e03\u524d\u8865\u9f50\u672c\u673a\u65e5\u5fd7\u548c\u6784\u5efa\u8bb0\u5f55\u3002\u4e0b\u4e00\u7bc7\u4f7f\u7528\u6761\u4ef6\u5206\u652f\u51c6\u5907\u52a0\u8f7d\u3001\u9519\u8bef\u3001\u7a7a\u6570\u636e\u548c\u6709\u6570\u636e\u56db\u79cd\u5217\u8868\u72b6\u6001\u3002<\/p>\n<h3>\u53c2\u8003\u8d44\u6599<\/h3>\n<li>\u534e\u4e3a\u5f00\u53d1\u8005\u8054\u76df&#xff1a;ArkTS 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