{"id":68430,"date":"2026-01-30T05:26:17","date_gmt":"2026-01-29T21:26:17","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/68430.html"},"modified":"2026-01-30T05:26:17","modified_gmt":"2026-01-29T21:26:17","slug":"%e5%9c%a8%e9%b8%bf%e8%92%99%e5%ba%94%e7%94%a8%e5%b7%a5%e7%a8%8b%e4%b8%ad%e5%8f%af%e4%bb%a5%e4%bd%bf%e7%94%a8%e5%93%aa%e4%ba%9bflutter%e6%89%8b%e5%8a%bf%e4%ba%a4%e4%ba%92%e7%bb%84%e4%bb%b6%e5%ae%9e","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/68430.html","title":{"rendered":"\u5728\u9e3f\u8499\u5e94\u7528\u5de5\u7a0b\u4e2d\u53ef\u4ee5\u4f7f\u7528\u54ea\u4e9bFlutter\u624b\u52bf\u4ea4\u4e92\u7ec4\u4ef6\u5b9e\u73b0\u70b9\u51fb\u3001\u53cc\u51fb\u3001\u957f\u6309\u3001\u62d6\u52a8\u3001\u7f29\u653e\u3001\u6ed1\u52a8\u7b49\u591a\u79cd\u624b\u52bf"},"content":{"rendered":"<h3>&#x1f4d6; \u524d\u8a00<\/h3>\n<p>\u624b\u52bf\u4ea4\u4e92\u662f\u79fb\u52a8\u5e94\u7528\u4e2d\u6700\u91cd\u8981\u7684\u7528\u6237\u4ea4\u4e92\u65b9\u5f0f\u4e4b\u4e00\u3002Flutter \u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u624b\u52bf\u68c0\u6d4b\u7ec4\u4ef6&#xff0c;\u5305\u62ec GestureDetector\u3001InkWell\u3001InkResponse \u7b49&#xff0c;\u80fd\u591f\u8bc6\u522b\u70b9\u51fb\u3001\u53cc\u51fb\u3001\u957f\u6309\u3001\u62d6\u52a8\u3001\u7f29\u653e\u3001\u6ed1\u52a8\u7b49\u591a\u79cd\u624b\u52bf\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260129212606-697bd06ede900.png\" alt=\"image-20260126202147595\" \/><\/p>\n<hr \/>\n<h3>&#x1f3af; \u624b\u52bf\u4ea4\u4e92\u7ec4\u4ef6\u6982\u89c8<\/h3>\n<p>Flutter \u63d0\u4f9b\u4e86\u4ee5\u4e0b\u624b\u52bf\u4ea4\u4e92\u7ec4\u4ef6&#xff1a;<\/p>\n<table>\n<tr>\u7ec4\u4ef6\u540d\u529f\u80fd\u8bf4\u660e\u9002\u7528\u573a\u666f<\/tr>\n<tbody>\n<tr>\n<td align=\"center\">GestureDetector<\/td>\n<td align=\"center\">\u624b\u52bf\u68c0\u6d4b\u5668<\/td>\n<td align=\"center\">\u901a\u7528\u624b\u52bf\u68c0\u6d4b&#xff0c;\u65e0\u89c6\u89c9\u53cd\u9988<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">InkWell<\/td>\n<td align=\"center\">\u6c34\u6ce2\u7eb9\u70b9\u51fb<\/td>\n<td align=\"center\">Material Design \u98ce\u683c\u70b9\u51fb\u6548\u679c<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">InkResponse<\/td>\n<td align=\"center\">\u6c34\u6ce2\u7eb9\u54cd\u5e94<\/td>\n<td align=\"center\">\u66f4\u7075\u6d3b\u7684\u6c34\u6ce2\u7eb9\u6548\u679c\u63a7\u5236<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h3>&#x1f446; GestureDetector \u7ec4\u4ef6<\/h3>\n<p>GestureDetector \u662f Flutter \u4e2d\u6700\u57fa\u7840\u7684\u624b\u52bf\u68c0\u6d4b\u7ec4\u4ef6&#xff0c;\u5b83\u4e0d\u63d0\u4f9b\u4efb\u4f55\u89c6\u89c9\u6837\u5f0f&#xff0c;\u53ea\u8d1f\u8d23\u68c0\u6d4b\u548c\u5904\u7406\u624b\u52bf\u4e8b\u4ef6\u3002<\/p>\n<h4>\u57fa\u7840\u7528\u6cd5<\/h4>\n<p><span class=\"token class-name\">GestureDetector<\/span><span class=\"token punctuation\">(<\/span><br \/>\n  onTap<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\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;\u70b9\u51fb\u4e86&#039;<\/span><\/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  child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Container<\/span><span class=\"token punctuation\">(<\/span><br \/>\n    width<span class=\"token punctuation\">:<\/span> <span class=\"token number\">100<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    height<span class=\"token punctuation\">:<\/span> <span class=\"token number\">100<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    color<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Colors<\/span><span class=\"token punctuation\">.<\/span>blue<span class=\"token punctuation\">,<\/span><br \/>\n    child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Center<\/span><span class=\"token punctuation\">(<\/span>child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;\u70b9\u51fb\u6211&#039;<\/span><\/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><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260129212610-697bd0728158c.png\" alt=\"image-20260126202205770\" \/><\/p>\n<h4>\u5e38\u7528\u624b\u52bf<\/h4>\n<p><span class=\"token class-name\">GestureDetector<\/span><span class=\"token punctuation\">(<\/span><br \/>\n  onTap<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;\u70b9\u51fb&#039;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  onDoubleTap<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;\u53cc\u51fb&#039;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  onLongPress<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;\u957f\u6309&#039;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  onTapDown<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">(<\/span>details<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;\u6309\u4e0b: <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">${<\/span><span class=\"token expression\">details<span class=\"token punctuation\">.<\/span>localPosition<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#039;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  onTapUp<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">(<\/span>details<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;\u62ac\u8d77&#039;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  onTapCancel<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;\u53d6\u6d88&#039;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Container<\/span><span class=\"token punctuation\">(<\/span><br \/>\n    padding<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">EdgeInsets<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">all<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">20<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    color<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Colors<\/span><span class=\"token punctuation\">.<\/span>blue<span class=\"token punctuation\">,<\/span><br \/>\n    child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;\u624b\u52bf\u68c0\u6d4b&#039;<\/span><\/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><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260129212610-697bd072d63a5.png\" alt=\"image-20260126202228844\" \/><\/p>\n<h4>\u62d6\u52a8\u624b\u52bf<\/h4>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">DraggableBox<\/span> <span class=\"token keyword\">extends<\/span> <span class=\"token class-name\">StatefulWidget<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token metadata function\">&#064;override<\/span><br \/>\n  _DraggableBoxState <span class=\"token function\">createState<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token function\">_DraggableBoxState<\/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\">class<\/span> _DraggableBoxState <span class=\"token keyword\">extends<\/span> <span class=\"token class-name\">State<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">DraggableBox<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  double _left <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  double _top <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token metadata function\">&#064;override<\/span><br \/>\n  <span class=\"token class-name\">Widget<\/span> <span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">BuildContext<\/span> context<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">Positioned<\/span><span class=\"token punctuation\">(<\/span><br \/>\n      left<span class=\"token punctuation\">:<\/span> _left<span class=\"token punctuation\">,<\/span><br \/>\n      top<span class=\"token punctuation\">:<\/span> _top<span class=\"token punctuation\">,<\/span><br \/>\n      child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">GestureDetector<\/span><span class=\"token punctuation\">(<\/span><br \/>\n        onPanUpdate<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">(<\/span>details<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n          <span class=\"token function\">setState<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            _left <span class=\"token operator\">&#043;&#061;<\/span> details<span class=\"token punctuation\">.<\/span>delta<span class=\"token punctuation\">.<\/span>dx<span class=\"token punctuation\">;<\/span><br \/>\n            _top <span class=\"token operator\">&#043;&#061;<\/span> details<span class=\"token punctuation\">.<\/span>delta<span class=\"token punctuation\">.<\/span>dy<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><span class=\"token punctuation\">,<\/span><br \/>\n        child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Container<\/span><span class=\"token punctuation\">(<\/span><br \/>\n          width<span class=\"token punctuation\">:<\/span> <span class=\"token number\">100<\/span><span class=\"token punctuation\">,<\/span><br \/>\n          height<span class=\"token punctuation\">:<\/span> <span class=\"token number\">100<\/span><span class=\"token punctuation\">,<\/span><br \/>\n          color<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Colors<\/span><span class=\"token punctuation\">.<\/span>blue<span class=\"token punctuation\">,<\/span><br \/>\n          child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Center<\/span><span class=\"token punctuation\">(<\/span>child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;\u62d6\u52a8\u6211&#039;<\/span><\/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 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><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260129212611-697bd07340f93.png\" alt=\"image-20260126202319276\" \/><\/p>\n<h4>\u7f29\u653e\u624b\u52bf<\/h4>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ScalableBox<\/span> <span class=\"token keyword\">extends<\/span> <span class=\"token class-name\">StatefulWidget<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token metadata function\">&#064;override<\/span><br \/>\n  _ScalableBoxState <span class=\"token function\">createState<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token function\">_ScalableBoxState<\/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\">class<\/span> _ScalableBoxState <span class=\"token keyword\">extends<\/span> <span class=\"token class-name\">State<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">ScalableBox<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  double _scale <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1.0<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token metadata function\">&#064;override<\/span><br \/>\n  <span class=\"token class-name\">Widget<\/span> <span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">BuildContext<\/span> context<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">GestureDetector<\/span><span class=\"token punctuation\">(<\/span><br \/>\n      onScaleUpdate<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">(<\/span>details<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">setState<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n          _scale <span class=\"token operator\">&#061;<\/span> details<span class=\"token punctuation\">.<\/span>scale<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><span class=\"token punctuation\">,<\/span><br \/>\n      onScaleEnd<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">(<\/span>details<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">setState<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n          _scale <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1.0<\/span><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><span class=\"token punctuation\">,<\/span><br \/>\n      child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Transform<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">scale<\/span><span class=\"token punctuation\">(<\/span><br \/>\n        scale<span class=\"token punctuation\">:<\/span> _scale<span class=\"token punctuation\">,<\/span><br \/>\n        child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Container<\/span><span class=\"token punctuation\">(<\/span><br \/>\n          width<span class=\"token punctuation\">:<\/span> <span class=\"token number\">200<\/span><span class=\"token punctuation\">,<\/span><br \/>\n          height<span class=\"token punctuation\">:<\/span> <span class=\"token number\">200<\/span><span class=\"token punctuation\">,<\/span><br \/>\n          color<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Colors<\/span><span class=\"token punctuation\">.<\/span>blue<span class=\"token punctuation\">,<\/span><br \/>\n          child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Center<\/span><span class=\"token punctuation\">(<\/span>child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;\u53cc\u6307\u7f29\u653e&#039;<\/span><\/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 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><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260129212612-697bd074272a6.png\" alt=\"image-20260126202414197\" \/><\/p>\n<h4>\u6ed1\u52a8\u65b9\u5411\u68c0\u6d4b<\/h4>\n<p><span class=\"token class-name\">GestureDetector<\/span><span class=\"token punctuation\">(<\/span><br \/>\n  onHorizontalDragUpdate<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">(<\/span>details<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;\u6c34\u5e73\u6ed1\u52a8: <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">${<\/span><span class=\"token expression\">details<span class=\"token punctuation\">.<\/span>delta<span class=\"token punctuation\">.<\/span>dx<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#039;<\/span><\/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  onVerticalDragUpdate<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">(<\/span>details<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;\u5782\u76f4\u6ed1\u52a8: <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">${<\/span><span class=\"token expression\">details<span class=\"token punctuation\">.<\/span>delta<span class=\"token punctuation\">.<\/span>dy<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#039;<\/span><\/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  child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Container<\/span><span class=\"token punctuation\">(<\/span><br \/>\n    width<span class=\"token punctuation\">:<\/span> <span class=\"token number\">200<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    height<span class=\"token punctuation\">:<\/span> <span class=\"token number\">200<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    color<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Colors<\/span><span class=\"token punctuation\">.<\/span>green<span class=\"token punctuation\">,<\/span><br \/>\n    child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Center<\/span><span class=\"token punctuation\">(<\/span>child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;\u6ed1\u52a8\u6211&#039;<\/span><\/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><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260129212612-697bd0748e7a2.png\" alt=\"image-20260126202521751\" \/><\/p>\n<hr \/>\n<h3>&#x1f4a7; InkWell \u7ec4\u4ef6<\/h3>\n<p>InkWell \u662f Material Design \u98ce\u683c\u7684\u4ea4\u4e92\u7ec4\u4ef6&#xff0c;\u63d0\u4f9b\u6c34\u6ce2\u7eb9&#xff08;Ripple&#xff09;\u6548\u679c\u3002<\/p>\n<h4>\u57fa\u7840\u7528\u6cd5<\/h4>\n<p><span class=\"token class-name\">InkWell<\/span><span class=\"token punctuation\">(<\/span><br \/>\n  onTap<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\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;\u70b9\u51fb\u4e86&#039;<\/span><\/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  child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Container<\/span><span class=\"token punctuation\">(<\/span><br \/>\n    padding<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">EdgeInsets<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">all<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">20<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;\u70b9\u51fb\u6211&#039;<\/span><\/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><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260129212612-697bd074d6a5e.png\" alt=\"image-20260126221805897\" \/><\/p>\n<h4>\u81ea\u5b9a\u4e49\u6c34\u6ce2\u7eb9\u6548\u679c<\/h4>\n<p><span class=\"token class-name\">InkWell<\/span><span class=\"token punctuation\">(<\/span><br \/>\n  onTap<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  splashColor<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Colors<\/span><span class=\"token punctuation\">.<\/span>blue<span class=\"token punctuation\">.<\/span><span class=\"token function\">withOpacity<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0.3<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  highlightColor<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Colors<\/span><span class=\"token punctuation\">.<\/span>blue<span class=\"token punctuation\">.<\/span><span class=\"token function\">withOpacity<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0.1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  borderRadius<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">BorderRadius<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">circular<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">12<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Container<\/span><span class=\"token punctuation\">(<\/span><br \/>\n    padding<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">EdgeInsets<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">all<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">20<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    decoration<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">BoxDecoration<\/span><span class=\"token punctuation\">(<\/span><br \/>\n      borderRadius<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">BorderRadius<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">circular<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">12<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      color<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Colors<\/span><span class=\"token punctuation\">.<\/span>white<span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;\u81ea\u5b9a\u4e49\u6ce2\u7eb9&#039;<\/span><\/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><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260129212613-697bd07525309.png\" alt=\"image-20260126221826553\" \/><\/p>\n<h4>\u5706\u89d2\u6c34\u6ce2\u7eb9<\/h4>\n<p><span class=\"token class-name\">Material<\/span><span class=\"token punctuation\">(<\/span><br \/>\n  color<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Colors<\/span><span class=\"token punctuation\">.<\/span>white<span class=\"token punctuation\">,<\/span><br \/>\n  borderRadius<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">BorderRadius<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">circular<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">20<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">InkWell<\/span><span class=\"token punctuation\">(<\/span><br \/>\n    onTap<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    borderRadius<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">BorderRadius<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">circular<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">20<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Container<\/span><span class=\"token punctuation\">(<\/span><br \/>\n      padding<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">EdgeInsets<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">all<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">20<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;\u5706\u89d2\u6ce2\u7eb9&#039;<\/span><\/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 punctuation\">,<\/span><br \/>\n<span class=\"token punctuation\">)<\/span><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260129212613-697bd0756b3ae.png\" alt=\"image-20260126221852282\" \/><\/p>\n<hr \/>\n<h3>&#x1f3a8; InkResponse \u7ec4\u4ef6<\/h3>\n<p>InkResponse \u662f InkWell \u7684\u589e\u5f3a\u7248&#xff0c;\u63d0\u4f9b\u66f4\u7075\u6d3b\u7684\u6c34\u6ce2\u7eb9\u6548\u679c\u63a7\u5236\u3002<\/p>\n<h4>\u57fa\u7840\u7528\u6cd5<\/h4>\n<p><span class=\"token class-name\">InkResponse<\/span><span class=\"token punctuation\">(<\/span><br \/>\n  onTap<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\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;\u70b9\u51fb\u4e86&#039;<\/span><\/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  child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Container<\/span><span class=\"token punctuation\">(<\/span><br \/>\n    padding<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">EdgeInsets<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">all<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">20<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;\u70b9\u51fb\u6211&#039;<\/span><\/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><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260129212613-697bd075aec26.png\" alt=\"image-20260126221914761\" \/><\/p>\n<h4>\u81ea\u5b9a\u4e49\u54cd\u5e94\u533a\u57df<\/h4>\n<p><span class=\"token class-name\">InkResponse<\/span><span class=\"token punctuation\">(<\/span><br \/>\n  onTap<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  containedInkWell<span class=\"token punctuation\">:<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">,<\/span>  <span class=\"token comment\">\/\/ \u4e0d\u9650\u5236\u5728\u5b50\u7ec4\u4ef6\u5185<\/span><br \/>\n  radius<span class=\"token punctuation\">:<\/span> <span class=\"token number\">50<\/span><span class=\"token punctuation\">,<\/span>  <span class=\"token comment\">\/\/ \u81ea\u5b9a\u4e49\u534a\u5f84<\/span><br \/>\n  child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Container<\/span><span class=\"token punctuation\">(<\/span><br \/>\n    padding<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">EdgeInsets<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">all<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">20<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;\u81ea\u5b9a\u4e49\u54cd\u5e94&#039;<\/span><\/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><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260129212613-697bd075f3c42.png\" alt=\"image-20260126221935298\" \/><\/p>\n<hr \/>\n<h3>&#x1f4a1; \u5b9e\u9645\u5e94\u7528\u573a\u666f<\/h3>\n<h4>\u573a\u666f1&#xff1a;\u53ef\u70b9\u51fb\u7684\u5361\u7247<\/h4>\n<p><span class=\"token class-name\">Material<\/span><span class=\"token punctuation\">(<\/span><br \/>\n  color<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Colors<\/span><span class=\"token punctuation\">.<\/span>white<span class=\"token punctuation\">,<\/span><br \/>\n  borderRadius<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">BorderRadius<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">circular<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">12<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">InkWell<\/span><span class=\"token punctuation\">(<\/span><br \/>\n    onTap<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 class-name\">Navigator<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span><br \/>\n        context<span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token class-name\">MaterialPageRoute<\/span><span class=\"token punctuation\">(<\/span>builder<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">(<\/span>context<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token class-name\">DetailPage<\/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 punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    borderRadius<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">BorderRadius<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">circular<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">12<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Container<\/span><span class=\"token punctuation\">(<\/span><br \/>\n      padding<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">EdgeInsets<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">all<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">16<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Column<\/span><span class=\"token punctuation\">(<\/span><br \/>\n        crossAxisAlignment<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">CrossAxisAlignment<\/span><span class=\"token punctuation\">.<\/span>start<span class=\"token punctuation\">,<\/span><br \/>\n        children<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">[<\/span><br \/>\n          <span class=\"token class-name\">Text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;\u6807\u9898&#039;<\/span><\/span><span class=\"token punctuation\">,<\/span> style<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">TextStyle<\/span><span class=\"token punctuation\">(<\/span>fontSize<span class=\"token punctuation\">:<\/span> <span class=\"token number\">18<\/span><span class=\"token punctuation\">,<\/span> fontWeight<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">FontWeight<\/span><span class=\"token punctuation\">.<\/span>bold<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n          <span class=\"token class-name\">SizedBox<\/span><span class=\"token punctuation\">(<\/span>height<span class=\"token punctuation\">:<\/span> <span class=\"token number\">8<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n          <span class=\"token class-name\">Text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;\u63cf\u8ff0\u5185\u5bb9&#8230;&#039;<\/span><\/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 punctuation\">,<\/span><br \/>\n    <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><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260129212614-697bd076427b3.png\" alt=\"image-20260126221954442\" \/><\/p>\n<h4>\u573a\u666f2&#xff1a;\u56fe\u7247\u7f29\u653e\u67e5\u770b<\/h4>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ImageViewer<\/span> <span class=\"token keyword\">extends<\/span> <span class=\"token class-name\">StatefulWidget<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">String<\/span> imageUrl<span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token metadata function\">&#064;override<\/span><br \/>\n  _ImageViewerState <span class=\"token function\">createState<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token function\">_ImageViewerState<\/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\">class<\/span> _ImageViewerState <span class=\"token keyword\">extends<\/span> <span class=\"token class-name\">State<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">ImageViewer<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  double _scale <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1.0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token class-name\">Offset<\/span> _offset <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">Offset<\/span><span class=\"token punctuation\">.<\/span>zero<span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token metadata function\">&#064;override<\/span><br \/>\n  <span class=\"token class-name\">Widget<\/span> <span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">BuildContext<\/span> context<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">GestureDetector<\/span><span class=\"token punctuation\">(<\/span><br \/>\n      onScaleUpdate<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">(<\/span>details<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">setState<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n          _scale <span class=\"token operator\">&#061;<\/span> details<span class=\"token punctuation\">.<\/span>scale<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><span class=\"token punctuation\">,<\/span><br \/>\n      onScaleEnd<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">(<\/span>details<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">setState<\/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\">if<\/span> <span class=\"token punctuation\">(<\/span>_scale <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">1.0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            _scale <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1.0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            _offset <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">Offset<\/span><span class=\"token punctuation\">.<\/span>zero<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><span class=\"token punctuation\">,<\/span><br \/>\n      child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Transform<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">scale<\/span><span class=\"token punctuation\">(<\/span><br \/>\n        scale<span class=\"token punctuation\">:<\/span> _scale<span class=\"token punctuation\">,<\/span><br \/>\n        child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Image<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">network<\/span><span class=\"token punctuation\">(<\/span>widget<span class=\"token punctuation\">.<\/span>imageUrl<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 punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260129212614-697bd07688763.png\" alt=\"image-20260126222018801\" \/><\/p>\n<h4>\u573a\u666f3&#xff1a;\u6ed1\u52a8\u5220\u9664<\/h4>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">SwipeToDelete<\/span> <span class=\"token keyword\">extends<\/span> <span class=\"token class-name\">StatefulWidget<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token metadata function\">&#064;override<\/span><br \/>\n  _SwipeToDeleteState <span class=\"token function\">createState<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token function\">_SwipeToDeleteState<\/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\">class<\/span> _SwipeToDeleteState <span class=\"token keyword\">extends<\/span> <span class=\"token class-name\">State<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">SwipeToDelete<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  double _dragOffset <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token metadata function\">&#064;override<\/span><br \/>\n  <span class=\"token class-name\">Widget<\/span> <span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">BuildContext<\/span> context<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">GestureDetector<\/span><span class=\"token punctuation\">(<\/span><br \/>\n      onHorizontalDragUpdate<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">(<\/span>details<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">setState<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n          _dragOffset <span class=\"token operator\">&#043;&#061;<\/span> details<span class=\"token punctuation\">.<\/span>delta<span class=\"token punctuation\">.<\/span>dx<span class=\"token punctuation\">;<\/span><br \/>\n          <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_dragOffset <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> _dragOffset <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><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><span class=\"token punctuation\">,<\/span><br \/>\n      onHorizontalDragEnd<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">(<\/span>details<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_dragOffset <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">100<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n          <span class=\"token comment\">\/\/ \u6267\u884c\u5220\u9664\u64cd\u4f5c<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n          <span class=\"token function\">setState<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            _dragOffset <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><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><span class=\"token punctuation\">,<\/span><br \/>\n      child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Transform<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">translate<\/span><span class=\"token punctuation\">(<\/span><br \/>\n        offset<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Offset<\/span><span class=\"token punctuation\">(<\/span>_dragOffset<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Container<\/span><span class=\"token punctuation\">(<\/span><br \/>\n          padding<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">EdgeInsets<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">all<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">16<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n          color<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Colors<\/span><span class=\"token punctuation\">.<\/span>white<span class=\"token punctuation\">,<\/span><br \/>\n          child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Row<\/span><span class=\"token punctuation\">(<\/span><br \/>\n            children<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">[<\/span><br \/>\n              <span class=\"token class-name\">Icon<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Icons<\/span><span class=\"token punctuation\">.<\/span>delete<span class=\"token punctuation\">,<\/span> color<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Colors<\/span><span class=\"token punctuation\">.<\/span>red<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n              <span class=\"token class-name\">SizedBox<\/span><span class=\"token punctuation\">(<\/span>width<span class=\"token punctuation\">:<\/span> <span class=\"token number\">16<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n              <span class=\"token class-name\">Text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;\u6ed1\u52a8\u5220\u9664&#039;<\/span><\/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 punctuation\">,<\/span><br \/>\n        <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 punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260129212614-697bd076cf62c.png\" alt=\"image-20260126222545329\" \/><\/p>\n<h4>\u573a\u666f4&#xff1a;\u957f\u6309\u83dc\u5355<\/h4>\n<p><span class=\"token class-name\">InkWell<\/span><span class=\"token punctuation\">(<\/span><br \/>\n  onLongPress<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\">showModalBottomSheet<\/span><span class=\"token punctuation\">(<\/span><br \/>\n      context<span class=\"token punctuation\">:<\/span> context<span class=\"token punctuation\">,<\/span><br \/>\n      builder<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">(<\/span>context<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token class-name\">Container<\/span><span class=\"token punctuation\">(<\/span><br \/>\n        padding<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">EdgeInsets<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">all<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">16<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Column<\/span><span class=\"token punctuation\">(<\/span><br \/>\n          mainAxisSize<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">MainAxisSize<\/span><span class=\"token punctuation\">.<\/span>min<span class=\"token punctuation\">,<\/span><br \/>\n          children<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">[<\/span><br \/>\n            <span class=\"token class-name\">ListTile<\/span><span class=\"token punctuation\">(<\/span><br \/>\n              leading<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Icon<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Icons<\/span><span class=\"token punctuation\">.<\/span>edit<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n              title<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;\u7f16\u8f91&#039;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n              onTap<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token class-name\">Navigator<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">pop<\/span><span class=\"token punctuation\">(<\/span>context<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 class-name\">ListTile<\/span><span class=\"token punctuation\">(<\/span><br \/>\n              leading<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Icon<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Icons<\/span><span class=\"token punctuation\">.<\/span>delete<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n              title<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;\u5220\u9664&#039;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n              onTap<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token class-name\">Navigator<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">pop<\/span><span class=\"token punctuation\">(<\/span>context<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 punctuation\">,<\/span><br \/>\n        <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 punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Container<\/span><span class=\"token punctuation\">(<\/span><br \/>\n    padding<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">EdgeInsets<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">all<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">16<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;\u957f\u6309\u663e\u793a\u83dc\u5355&#039;<\/span><\/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><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260129212615-697bd077235b0.png\" alt=\"image-20260126222635907\" \/><\/p>\n<hr \/>\n<h3>&#x1f3a8; \u6837\u5f0f\u5b9a\u5236<\/h3>\n<h4>GestureDetector \u6837\u5f0f<\/h4>\n<p><span class=\"token class-name\">GestureDetector<\/span><span class=\"token punctuation\">(<\/span><br \/>\n  onTap<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  behavior<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">HitTestBehavior<\/span><span class=\"token punctuation\">.<\/span>opaque<span class=\"token punctuation\">,<\/span>  <span class=\"token comment\">\/\/ \u70b9\u51fb\u533a\u57df\u884c\u4e3a<\/span><br \/>\n  child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Container<\/span><span class=\"token punctuation\">(<\/span><br \/>\n    padding<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">EdgeInsets<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">all<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">20<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    color<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Colors<\/span><span class=\"token punctuation\">.<\/span>blue<span class=\"token punctuation\">,<\/span><br \/>\n    child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;\u70b9\u51fb\u533a\u57df&#039;<\/span><\/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><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260129212615-697bd0776e3fd.png\" alt=\"image-20260126223108316\" \/><\/p>\n<h4>InkWell \u6837\u5f0f<\/h4>\n<p><span class=\"token class-name\">InkWell<\/span><span class=\"token punctuation\">(<\/span><br \/>\n  onTap<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  splashColor<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Colors<\/span><span class=\"token punctuation\">.<\/span>blue<span class=\"token punctuation\">,<\/span><br \/>\n  highlightColor<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Colors<\/span><span class=\"token punctuation\">.<\/span>blue<span class=\"token punctuation\">.<\/span><span class=\"token function\">withOpacity<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0.1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  borderRadius<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">BorderRadius<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">circular<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">12<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  radius<span class=\"token punctuation\">:<\/span> <span class=\"token number\">30<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Container<\/span><span class=\"token punctuation\">(<\/span><br \/>\n    padding<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">EdgeInsets<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">all<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">20<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;\u81ea\u5b9a\u4e49\u6837\u5f0f&#039;<\/span><\/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><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260129212615-697bd077b3047.png\" alt=\"image-20260126223133175\" \/><\/p>\n<hr \/>\n<h3>\u26a0\ufe0f \u5e38\u89c1\u95ee\u9898\u4e0e\u89e3\u51b3\u65b9\u6848<\/h3>\n<h4>\u95ee\u98981&#xff1a;\u624b\u52bf\u51b2\u7a81<\/h4>\n<p>\u89e3\u51b3\u65b9\u6848&#xff1a;<\/p>\n<ul>\n<li>\u4f7f\u7528 GestureDetector \u7684 behavior \u5c5e\u6027<\/li>\n<li>\u5408\u7406\u4f7f\u7528 Listener \u548c GestureDetector \u7684\u7ec4\u5408<\/li>\n<li>\u4f7f\u7528 AbsorbPointer \u6216 IgnorePointer \u63a7\u5236\u4e8b\u4ef6\u4f20\u9012<\/li>\n<\/ul>\n<h4>\u95ee\u98982&#xff1a;\u6c34\u6ce2\u7eb9\u6548\u679c\u4e0d\u663e\u793a<\/h4>\n<p>\u89e3\u51b3\u65b9\u6848&#xff1a;<\/p>\n<ul>\n<li>\u786e\u4fdd InkWell \u5305\u88f9\u5728 Material \u7ec4\u4ef6\u5185<\/li>\n<li>\u68c0\u67e5 splashColor \u548c highlightColor \u662f\u5426\u8bbe\u7f6e<\/li>\n<li>\u786e\u4fdd\u5b50\u7ec4\u4ef6\u6709\u8db3\u591f\u7684\u7a7a\u95f4\u663e\u793a\u6ce2\u7eb9<\/li>\n<\/ul>\n<h4>\u95ee\u98983&#xff1a;\u62d6\u52a8\u65f6\u4f4d\u7f6e\u4e0d\u51c6\u786e<\/h4>\n<p>\u89e3\u51b3\u65b9\u6848&#xff1a;<\/p>\n<ul>\n<li>\u4f7f\u7528 onPanUpdate \u7684 details.delta \u800c\u4e0d\u662f details.localPosition<\/li>\n<li>\u786e\u4fdd\u5728 setState \u4e2d\u66f4\u65b0\u4f4d\u7f6e<\/li>\n<li>\u4f7f\u7528 Transform.translate \u6216 Positioned \u63a7\u5236\u4f4d\u7f6e<\/li>\n<\/ul>\n<hr \/>\n<h3>&#x1f4bc; \u6700\u4f73\u5b9e\u8df5<\/h3>\n<h4>1. \u7edf\u4e00\u7684\u624b\u52bf\u5904\u7406<\/h4>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">AppGestureDetector<\/span> <span class=\"token keyword\">extends<\/span> <span class=\"token class-name\">StatelessWidget<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">Widget<\/span> child<span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">VoidCallback<\/span><span class=\"token operator\">?<\/span> onTap<span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token keyword\">const<\/span> <span class=\"token class-name\">AppGestureDetector<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><br \/>\n    required <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>child<span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>onTap<span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token metadata function\">&#064;override<\/span><br \/>\n  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class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>2. \u624b\u52bf\u4f18\u5148\u7ea7\u7ba1\u7406<\/h4>\n<p><span class=\"token class-name\">GestureDetector<\/span><span class=\"token punctuation\">(<\/span><br \/>\n  onTap<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;\u70b9\u51fb&#039;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  onLongPress<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;\u957f\u6309&#039;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">GestureDetector<\/span><span class=\"token punctuation\">(<\/span><br \/>\n    onDoubleTap<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;\u53cc\u51fb&#039;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Container<\/span><span class=\"token punctuation\">(<\/span><br \/>\n      padding<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">EdgeInsets<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">all<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">20<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;\u591a\u5c42\u624b\u52bf&#039;<\/span><\/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 punctuation\">,<\/span><br \/>\n<span class=\"token punctuation\">)<\/span><\/p>\n<hr \/>\n<h3>&#x1f4da; \u603b\u7ed3<\/h3>\n<p>\u901a\u8fc7\u672c\u6559\u7a0b&#xff0c;\u6211\u4eec\u5b66\u4e60\u4e86&#xff1a;<\/p>\n<li>\u2705 GestureDetector \u7ec4\u4ef6\u7684\u5404\u79cd\u624b\u52bf\u68c0\u6d4b<\/li>\n<li>\u2705 InkWell \u7ec4\u4ef6\u7684\u6c34\u6ce2\u7eb9\u6548\u679c<\/li>\n<li>\u2705 InkResponse \u7ec4\u4ef6\u7684\u7075\u6d3b\u63a7\u5236<\/li>\n<li>\u2705 \u5b9e\u9645\u5e94\u7528\u573a\u666f\u548c\u6700\u4f73\u5b9e\u8df5<\/li>\n<p>\u624b\u52bf\u4ea4\u4e92\u7ec4\u4ef6\u662f Flutter \u5e94\u7528\u4e2d\u5b9e\u73b0\u7528\u6237\u4ea4\u4e92\u7684\u57fa\u7840&#xff0c;\u638c\u63e1\u597d\u8fd9\u4e9b\u7ec4\u4ef6\u7684\u7528\u6cd5&#xff0c;\u80fd\u591f\u8ba9\u4f60\u7684\u5e94\u7528\u4ea4\u4e92\u66f4\u52a0\u4e30\u5bcc\u548c\u6d41\u7545&#xff01;<\/p>\n<hr \/>\n<h3>&#x1f517; \u76f8\u5173\u8d44\u6e90<\/h3>\n<ul>\n<li>Flutter GestureDetector \u5b98\u65b9\u6587\u6863<\/li>\n<li>InkWell \u5b98\u65b9\u6587\u6863<\/li>\n<li>InkResponse \u5b98\u65b9\u6587\u6863<\/li>\n<\/ul>\n<p>Happy Coding! &#x1f3a8;\u2728 \u6b22\u8fce\u52a0\u5165\u5f00\u6e90\u9e3f\u8499\u8de8\u5e73\u53f0\u793e\u533a<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&#x1f4d6; \u524d\u8a00<br \/>\n\u624b\u52bf\u4ea4\u4e92\u662f\u79fb\u52a8\u5e94\u7528\u4e2d\u6700\u91cd\u8981\u7684\u7528\u6237\u4ea4\u4e92\u65b9\u5f0f\u4e4b\u4e00\u3002Flutter \u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u624b\u52bf\u68c0\u6d4b\u7ec4\u4ef6&#xff0c;\u5305\u62ec GestureDetector\u3001InkWell\u3001InkResponse \u7b49&#xff0c;\u80fd\u591f\u8bc6\u522b\u70b9\u51fb\u3001\u53cc\u51fb\u3001\u957f\u6309\u3001\u62d6\u52a8\u3001\u7f29\u653e\u3001\u6ed1\u52a8\u7b49\u591a\u79cd\u624b\u52bf\u3002 &#x1f3af; \u624b\u52bf\u4ea4\u4e92\u7ec4\u4ef6\u6982\u89c8<br \/>\nFlutter \u63d0\u4f9b\u4e86\u4ee5\u4e0b\u624b\u52bf\u4ea4\u4e92\u7ec4\u4ef6&#xff1a;<br \/>\n\u7ec4\u4ef6\u540d\u529f\u80fd\u8bf4\u660e\u9002\u7528\u573a\u666fGestureDetector\u624b\u52bf\u68c0\u6d4b\u5668\u901a\u7528\u624b\u52bf\u68c0\u6d4b&#xff0c;\u65e0\u89c6\u89c9\u53cd\u9988<\/p>\n","protected":false},"author":2,"featured_media":68413,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[2878,280,1666],"topic":[],"class_list":["post-68430","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-flutter","tag-harmonyos","tag-1666"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u5728\u9e3f\u8499\u5e94\u7528\u5de5\u7a0b\u4e2d\u53ef\u4ee5\u4f7f\u7528\u54ea\u4e9bFlutter\u624b\u52bf\u4ea4\u4e92\u7ec4\u4ef6\u5b9e\u73b0\u70b9\u51fb\u3001\u53cc\u51fb\u3001\u957f\u6309\u3001\u62d6\u52a8\u3001\u7f29\u653e\u3001\u6ed1\u52a8\u7b49\u591a\u79cd\u624b\u52bf - 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