{"id":436,"date":"2026-02-26T20:49:47","date_gmt":"2026-02-26T12:49:47","guid":{"rendered":"https:\/\/www.linerroom.cn\/?p=436"},"modified":"2026-02-26T22:18:11","modified_gmt":"2026-02-26T14:18:11","slug":"flutter-%e7%9a%84%e5%9f%ba%e7%a1%80%e7%bb%84%e4%bb%b6%e7%9a%84%e5%b8%b8%e8%a7%81%e5%b1%9e%e6%80%a7%e7%94%a8%e4%be%8b","status":"publish","type":"post","link":"https:\/\/www.linerroom.cn\/?p=436","title":{"rendered":"Flutter \u7684\u57fa\u7840\u7ec4\u4ef6\u7684\u5e38\u89c1\u5c5e\u6027\u7528\u4f8b"},"content":{"rendered":"\n
\u4ee5\u4e0b\u5c5e\u6027\u7686\u672a\u5b8c\u6574\uff0c\u5b8c\u6574\u5c5e\u6027\u8bf7\u53c2\u8003\u6587\u7ae0\u300aFlutter \u7ec4\u4ef6\u5c5e\u6027\u901f\u67e5\u300b<\/div><\/div>\n\n\n\n

\u4e00.\u76d2\u5b50\u6a21\u578b<\/h2>\n\n\n\n

\u7528\u4f8b\u4e00\uff1aContainer()<\/h3>\n\n\n\n
    \n
  • alignment<\/code> – \u5b50\u7ec4\u4ef6\u5bf9\u9f50\u65b9\u5f0f\uff08Alignment\uff09\u3002<\/li>\n\n\n\n
  • padding<\/code> – \u5185\u8fb9\u8ddd\uff08EdgeInsets\uff09\u3002<\/li>\n\n\n\n
  • color<\/code> – \u80cc\u666f\u8272\uff08\u4e0edecoration<\/code> \u4e92\u65a5\uff09\u3002<\/li>\n\n\n\n
  • decoration<\/code> – \u88c5\u9970\uff08Decoration\uff0c\u4f8b\u5982 BoxDecoration\uff0c\u53ef\u8bbe\u7f6e color\u3001borderRadius\u3001border \u7b49\uff09\u3002<\/li>\n\n\n\n
  • width<\/code> – \u5bbd\u5ea6\uff08double\uff09\u3002<\/li>\n\n\n\n
  • height<\/code> – \u9ad8\u5ea6\uff08double\uff09\u3002<\/li>\n\n\n\n
  • margin<\/code> – \u5916\u8fb9\u8ddd\uff08EdgeInsets\uff09\u3002<\/li>\n\n\n\n
  • transform<\/code> – \u53d8\u6362\u77e9\u9635\uff08Matrix4\uff09\u3002<\/li>\n<\/ul>\n\n\n\n

    \u5173\u952e\u4ee3\u7801<\/h4>\n\n\n\n
              Container(\n              transform: Matrix4.rotationZ(0.05),\n              alignment: Alignment.center,\n              height: 200,\n              width: 200,\n              decoration: BoxDecoration(\n                color: Colors.blue,\n                borderRadius: BorderRadius.circular(20),\n                border: Border.all(width: 3, color: Colors.yellow),\n              ),\n              child: Text(\n                \"hell0! flutter\",\n                style: TextStyle(fontSize: 20, color: Colors.white),\n              ),\n            ),<\/code><\/pre>\n\n\n\n
    \u5b8c\u6574\u4ee3\u7801<\/h4>\n\n\n\n
    \/\/ \u5bfc\u5165Flutter Material Design\u7ec4\u4ef6\u5e93\nimport 'package:flutter\/material.dart';\n\n\/\/ \u5e94\u7528\u7a0b\u5e8f\u5165\u53e3\u51fd\u6570\nvoid main() {\n  \/\/ \u8fd0\u884c\u5e94\u7528\u7a0b\u5e8f\uff0c\u4f20\u5165\u6839\u7ec4\u4ef6\n  runApp(\n    \/\/ MaterialApp\u7ec4\u4ef6\uff0c\u4f5c\u4e3a\u5e94\u7528\u7a0b\u5e8f\u7684\u6839\u7ec4\u4ef6\n    MaterialApp(\n      title: \"\u76d2\u5b50\u6a21\u578b\", \/\/ \u5e94\u7528\u7a0b\u5e8f\u6807\u9898\n      theme: ThemeData(\n        scaffoldBackgroundColor: Colors.deepPurple,\n      ), \/\/ \u5e94\u7528\u4e3b\u9898\uff0c\u8bbe\u7f6escaffold\u80cc\u666f\u8272\u4e3a\u6df1\u7d2b\u8272\n      home: Scaffold(\n        \/\/ \u9876\u90e8\u5e94\u7528\u680f\n        appBar: AppBar(title: Center(child: Text(\"\u76d2\u5b50\u6a21\u578b\"))), \/\/ \u5e94\u7528\u680f\u6807\u9898\uff0c\u5c45\u4e2d\u663e\u793a\n        \/\/ \u4e3b\u4f53\u5185\u5bb9\u533a\u57df\n        body: Container(\n          \/\/ \u5b50\u7ec4\u4ef6\u4e3aCenter\uff0c\u7528\u4e8e\u5c45\u4e2d\u663e\u793a\u5185\u5bb9\n          child: Center(\n            \/\/ \u5b50\u7ec4\u4ef6\u4e3aContainer\uff0c\u4f5c\u4e3a\u4e3b\u8981\u7684\u76d2\u5b50\u6a21\u578b\n            child: Container(\n              transform: Matrix4.rotationZ(0.05), \/\/ \u5bf9\u5bb9\u5668\u8fdb\u884c\u65cb\u8f6c\u53d8\u6362\uff0c\u65cb\u8f6c\u89d2\u5ea6\u4e3a0.05\u5f27\u5ea6\n              alignment: Alignment.center, \/\/ \u5bb9\u5668\u5185\u5185\u5bb9\u5bf9\u9f50\u65b9\u5f0f\u4e3a\u5c45\u4e2d\n              height: 200, \/\/ \u5bb9\u5668\u9ad8\u5ea6\u4e3a200\u50cf\u7d20\n              width: 200, \/\/ \u5bb9\u5668\u5bbd\u5ea6\u4e3a200\u50cf\u7d20\n              \/\/ \u5bb9\u5668\u88c5\u9970\n              decoration: BoxDecoration(\n                color: Colors.blue, \/\/ \u80cc\u666f\u989c\u8272\u4e3a\u84dd\u8272\n                borderRadius: BorderRadius.circular(20), \/\/ \u5706\u89d2\u534a\u5f84\u4e3a20\u50cf\u7d20\n                border: Border.all(\n                  width: 3,\n                  color: Colors.yellow,\n                ), \/\/ \u8fb9\u6846\u5bbd\u5ea6\u4e3a3\u50cf\u7d20\uff0c\u989c\u8272\u4e3a\u9ec4\u8272\n              ),\n              \/\/ \u5bb9\u5668\u5185\u7684\u6587\u672c\n              child: Text(\n                \"hell0! flutter\", \/\/ \u6587\u672c\u5185\u5bb9\n                style: TextStyle(\n                  fontSize: 20,\n                  color: Colors.white,\n                ), \/\/ \u6587\u672c\u6837\u5f0f\uff1a\u5b57\u4f53\u5927\u5c0f20\uff0c\u989c\u8272\u767d\u8272\n              ),\n            ),\n          ),\n        ),\n        \/\/ \u5e95\u90e8\u5bfc\u822a\u680f\n        bottomNavigationBar: Container(\n          height: 80, \/\/ \u5e95\u90e8\u5bfc\u822a\u680f\u9ad8\u5ea6\u4e3a80\u50cf\u7d20\n          child: Center(\n            child: Text(\"bottomNavigationBar\u5e95\u90e8\u7ec4\u4ef6\"),\n          ), \/\/ \u5e95\u90e8\u5bfc\u822a\u680f\u5185\u5bb9\uff0c\u5c45\u4e2d\u663e\u793a\u6587\u672c\n        ),\n      ),\n    ),\n  );\n}\n<\/code><\/pre>\n\n\n\n
    \"\"<\/div><\/figure>\n\n\n\n
    \n\n\n\n
    \u4e8c.\u5e03\u5c40\u7ec4\u4ef6<\/h2>\n\n\n\n
    \n\n\n\n
    Center() \u5c45\u4e2d<\/h3>\n\n\n\n
    \u5173\u952e\u8bed\u6cd5<\/h4>\n\n\n\n
    Center(\n   child:\u7ec4\u4ef6,\n)<\/code><\/pre>\n\n\n\n
    \"\"<\/div><\/figure>\n\n\n\n
    \n\n\n\n
    \u7528\u4f8b\u4e8c.Padding()<\/h3>\n\n\n\n
      \n
    • padding<\/code> – \u5185\u8fb9\u8ddd\uff08EdgeInsets\uff09\u3002<\/li>\n\n\n\n
    • child<\/code> – \u5b50\u7ec4\u4ef6\uff08Widget\uff09\u3002<\/li>\n<\/ul>\n\n\n\n
      \u5173\u952e\u4ee3\u7801<\/h4>\n\n\n\n
               Padding(\n            \/\/ padding: EdgeInsetsGeometry.all(50),\/\/4\u4e2a\u65b9\u5411\n            \/\/ padding: EdgeInsetsGeometry.only(bottom: 50),\/\/\u8bbe\u7f6e\u4e00\u4e2a\u65b9\u5411\n            padding: EdgeInsetsGeometry.symmetric(\n              horizontal: 30, \/\/ \u6c34\u5e73\u65b9\u5411\u5185\u8fb9\u8ddd30\u50cf\u7d20\n              vertical: 50, \/\/ \u5782\u76f4\u65b9\u5411\u5185\u8fb9\u8ddd50\u50cf\u7d20\n            ), \/\/ \u5bf9\u79f0\u5185\u8fb9\u8ddd\n            child: Container(color: Colors.teal), \/\/ \u5b50\u5bb9\u5668\uff0c\u80cc\u666f\u989c\u8272\u4e3a\u9752\u7eff\u8272\n          ),<\/code><\/pre>\n\n\n\n
      \u5b8c\u6574\u4ee3\u7801<\/h4>\n\n\n\n
      \/\/ \u5bfc\u5165Flutter Material Design\u7ec4\u4ef6\u5e93\nimport 'package:flutter\/material.dart';\n\n\/\/ \u5e94\u7528\u7a0b\u5e8f\u5165\u53e3\u51fd\u6570\nvoid main() {\n  \/\/ \u8fd0\u884c\u5e94\u7528\u7a0b\u5e8f\uff0c\u4f20\u5165\u6839\u7ec4\u4ef6\n  runApp(\n    \/\/ MaterialApp\u7ec4\u4ef6\uff0c\u4f5c\u4e3a\u5e94\u7528\u7a0b\u5e8f\u7684\u6839\u7ec4\u4ef6\n    MaterialApp(\n      title: \"\u5185\u8fb9\u8ddd\", \/\/ \u5e94\u7528\u7a0b\u5e8f\u6807\u9898\n      theme: ThemeData(\n        scaffoldBackgroundColor: Colors.deepPurple,\n      ), \/\/ \u5e94\u7528\u4e3b\u9898\uff0c\u8bbe\u7f6escaffold\u80cc\u666f\u8272\u4e3a\u6df1\u7d2b\u8272\n      home: Scaffold(\n        \/\/ \u9876\u90e8\u5e94\u7528\u680f\n        appBar: AppBar(title: Center(child: Text(\"\u5185\u8fb9\u8ddd\"))), \/\/ \u5e94\u7528\u680f\u6807\u9898\uff0c\u5c45\u4e2d\u663e\u793a\n        \/\/ \u4e3b\u4f53\u5185\u5bb9\u533a\u57df\n        body: Container(\n          color: Colors.green, \/\/ \u5bb9\u5668\u80cc\u666f\u989c\u8272\u4e3a\u7eff\u8272\n          child: Padding(\n            \/\/ padding: EdgeInsetsGeometry.all(50),\/\/4\u4e2a\u65b9\u5411\n            \/\/ padding: EdgeInsetsGeometry.only(bottom: 50),\/\/\u8bbe\u7f6e\u4e00\u4e2a\u65b9\u5411\n            padding: EdgeInsetsGeometry.symmetric(\n              horizontal: 30, \/\/ \u6c34\u5e73\u65b9\u5411\u5185\u8fb9\u8ddd30\u50cf\u7d20\n              vertical: 50, \/\/ \u5782\u76f4\u65b9\u5411\u5185\u8fb9\u8ddd50\u50cf\u7d20\n            ), \/\/ \u5bf9\u79f0\u5185\u8fb9\u8ddd\n            child: Container(color: Colors.teal), \/\/ \u5b50\u5bb9\u5668\uff0c\u80cc\u666f\u989c\u8272\u4e3a\u9752\u7eff\u8272\n          ),\n        ),\n      ),\n    ),\n  );\n}\n<\/code><\/pre>\n\n\n\n
      \"\"<\/div><\/figure>\n\n\n\n
      \n\n\n\n
      \u7528\u4f8b.align()\u5e03\u5c40<\/h3>\n\n\n\n
        \n
      • alignment<\/code> – \u5bf9\u9f50\u65b9\u5f0f\uff08Alignment, \u5982 Alignment.topRight\uff09\u3002<\/li>\n\n\n\n
      • widthFactor<\/code> – \u5bbd\u5ea6\u56e0\u5b50\uff08double\uff0c\u76f8\u5bf9\u4e8e\u5b50\u7ec4\u4ef6\u7684\u591a\u5c11\u500d\uff09\u3002<\/li>\n\n\n\n
      • heightFactor<\/code> – \u9ad8\u5ea6\u56e0\u5b50\uff08double\uff0c\u76f8\u5bf9\u4e8e\u5b50\u7ec4\u4ef6\u7684\u591a\u5c11\u500d\uff09\u3002<\/li>\n\n\n\n
      • child<\/code> – \u5b50\u7ec4\u4ef6\uff08Widget\uff09\u3002<\/li>\n<\/ul>\n\n\n\n
        \u5173\u952e\u4ee3\u7801<\/h4>\n\n\n\n
                 Align(\n            alignment: Alignment.topCenter, \/\/ \u5bf9\u9f50\u65b9\u5f0f\u4e3a\u9876\u90e8\u5c45\u4e2d\n            \/\/ widthFactor: 5, \/\/ \u5bbd\u5ea6\u56e0\u5b50\uff0c\u6ce8\u91ca\u72b6\u6001\n            \/\/ heightFactor: 5, \/\/ \u9ad8\u5ea6\u56e0\u5b50\uff0c\u6ce8\u91ca\u72b6\u6001\n            child: Icon(\n              Icons.star,\n              size: 150,\n              color: Colors.blue,\n            ), \/\/ \u5b50\u7ec4\u4ef6\u4e3a\u661f\u661f\u56fe\u6807\uff0c\u5927\u5c0f150\uff0c\u989c\u8272\u84dd\u8272\n          )<\/code><\/pre>\n\n\n\n
        \u5b8c\u6574\u4ee3\u7801<\/h4>\n\n\n\n
        \/\/ \u5bfc\u5165Flutter Material Design\u7ec4\u4ef6\u5e93\nimport 'package:flutter\/material.dart';\n\n\/\/ \u5e94\u7528\u7a0b\u5e8f\u5165\u53e3\u51fd\u6570\nvoid main() {\n  \/\/ \u8fd0\u884c\u5e94\u7528\u7a0b\u5e8f\uff0c\u4f20\u5165\u6839\u7ec4\u4ef6\n  runApp(\n    \/\/ MaterialApp\u7ec4\u4ef6\uff0c\u4f5c\u4e3a\u5e94\u7528\u7a0b\u5e8f\u7684\u6839\u7ec4\u4ef6\n    MaterialApp(\n      title: \"align\u5e03\u5c40\", \/\/ \u5e94\u7528\u7a0b\u5e8f\u6807\u9898\n      theme: ThemeData(\n        scaffoldBackgroundColor: Colors.deepPurple,\n      ), \/\/ \u5e94\u7528\u4e3b\u9898\uff0c\u8bbe\u7f6escaffold\u80cc\u666f\u8272\u4e3a\u6df1\u7d2b\u8272\n      home: Scaffold(\n        \/\/ \u9876\u90e8\u5e94\u7528\u680f\n        appBar: AppBar(title: Center(child: Text(\"align\u5e03\u5c40\"))), \/\/ \u5e94\u7528\u680f\u6807\u9898\uff0c\u5c45\u4e2d\u663e\u793a\n        \/\/ \u4e3b\u4f53\u5185\u5bb9\u533a\u57df\n        body: Container(\n          color: Colors.amber, \/\/ \u5bb9\u5668\u80cc\u666f\u989c\u8272\u4e3a\u7425\u73c0\u8272\n          child: Align(\n            alignment: Alignment.topCenter, \/\/ \u5bf9\u9f50\u65b9\u5f0f\u4e3a\u9876\u90e8\u5c45\u4e2d\n            \/\/ widthFactor: 5, \/\/ \u5bbd\u5ea6\u56e0\u5b50\uff0c\u6ce8\u91ca\u72b6\u6001\n            \/\/ heightFactor: 5, \/\/ \u9ad8\u5ea6\u56e0\u5b50\uff0c\u6ce8\u91ca\u72b6\u6001\n            child: Icon(\n              Icons.star,\n              size: 150,\n              color: Colors.blue,\n            ), \/\/ \u5b50\u7ec4\u4ef6\u4e3a\u661f\u661f\u56fe\u6807\uff0c\u5927\u5c0f150\uff0c\u989c\u8272\u84dd\u8272\n          ),\n        ),\n        \/\/ \u5e95\u90e8\u5bfc\u822a\u680f\n        bottomNavigationBar: Container(\n          height: 80, \/\/ \u5e95\u90e8\u5bfc\u822a\u680f\u9ad8\u5ea6\u4e3a80\u50cf\u7d20\n          child: Center(child: Text(\"bottomNavigationBar\")), \/\/ \u5e95\u90e8\u5bfc\u822a\u680f\u5185\u5bb9\uff0c\u5c45\u4e2d\u663e\u793a\u6587\u672c\n        ),\n      ),\n    ),\n  );\n}\n<\/code><\/pre>\n\n\n\n
        \"\"<\/div><\/figure>\n\n\n\n
        \n\n\n\n
        \u7528\u4f8b\uff0cColumn\u7ad6\u5411\u5e03\u5c40\uff0c\u4e0d\u652f\u6301\u6eda\u52a8<\/h3>\n\n\n\n
          \n
        1. children<\/code> – \u5b50\u7ec4\u4ef6\u5217\u8868\uff08List\uff09\u3002<\/li>\n\n\n\n
        2. mainAxisAlignment<\/code> – \u4e3b\u8f74\u5bf9\u9f50\uff08MainAxisAlignment\uff0c\u4f8b\u5982 center\uff09\u3002<\/li>\n\n\n\n
        3. crossAxisAlignment<\/code> – \u4ea4\u53c9\u8f74\u5bf9\u9f50\uff08CrossAxisAlignment\uff0c\u4f8b\u5982 start\uff09\u3002<\/li>\n\n\n\n
        4. mainAxisSize<\/code> – \u4e3b\u8f74\u5c3a\u5bf8\uff08MainAxisSize\uff0cmin \u6216 max\uff09\u3002<\/li>\n<\/ol>\n\n\n\n
          \u5173\u952e\u4ee3\u7801<\/h4>\n\n\n\n
                  Column(\n            mainAxisAlignment: MainAxisAlignment.center, \/\/ \u4e3b\u8f74\u5bf9\u9f50\u65b9\u5f0f\u4e3a\u5c45\u4e2d\n            crossAxisAlignment: CrossAxisAlignment.center, \/\/ \u4ea4\u53c9\u8f74\u5bf9\u9f50\u65b9\u5f0f\u4e3a\u5c45\u4e2d\n            children: [\n              \/\/ \u7b2c\u4e00\u4e2a\u5b50\u5bb9\u5668\n              Container(\n                margin: EdgeInsets.only(bottom: 20), \/\/ \u5e95\u90e8\u5916\u8fb9\u8ddd20\u50cf\u7d20\n                height: 200, \/\/ \u9ad8\u5ea6200\u50cf\u7d20\n                width: 200, \/\/ \u5bbd\u5ea6200\u50cf\u7d20\n                color: Colors.amber, \/\/ \u80cc\u666f\u989c\u8272\u4e3a\u7425\u73c0\u8272\n              ),\n              \/\/ \u7b2c\u4e8c\u4e2a\u5b50\u5bb9\u5668\n              Container(\n                margin: EdgeInsets.only(bottom: 20), \/\/ \u5e95\u90e8\u5916\u8fb9\u8ddd20\u50cf\u7d20\n                height: 200, \/\/ \u9ad8\u5ea6200\u50cf\u7d20\n                width: 200, \/\/ \u5bbd\u5ea6200\u50cf\u7d20\n                color: Colors.amber, \/\/ \u80cc\u666f\u989c\u8272\u4e3a\u7425\u73c0\u8272\n              ),\n              \/\/ \u7b2c\u4e09\u4e2a\u5b50\u5bb9\u5668\n              Container(\n                height: 200,\n                width: 200,\n                color: Colors.amber,\n              ), \/\/ \u9ad8\u5ea6200\u50cf\u7d20\uff0c\u5bbd\u5ea6200\u50cf\u7d20\uff0c\u80cc\u666f\u989c\u8272\u4e3a\u7425\u73c0\u8272\n            ],\n          ),<\/code><\/pre>\n\n\n\n
          \u5b8c\u6574\u4ee3\u7801<\/h4>\n\n\n\n
          \/\/ \u5bfc\u5165Flutter Material Design\u7ec4\u4ef6\u5e93\nimport 'package:flutter\/material.dart';\n\n\/\/ \u5e94\u7528\u7a0b\u5e8f\u5165\u53e3\u51fd\u6570\nvoid main() {\n  \/\/ \u8fd0\u884c\u5e94\u7528\u7a0b\u5e8f\uff0c\u4f20\u5165\u6839\u7ec4\u4ef6\n  runApp(\n    \/\/ MaterialApp\u7ec4\u4ef6\uff0c\u4f5c\u4e3a\u5e94\u7528\u7a0b\u5e8f\u7684\u6839\u7ec4\u4ef6\n    MaterialApp(\n      title: \"\u7ad6\u5411\u5e03\u5c40\uff0c\u4e0d\u652f\u6301\u6eda\u52a8\", \/\/ \u5e94\u7528\u7a0b\u5e8f\u6807\u9898\n      theme: ThemeData(\n        scaffoldBackgroundColor: Colors.deepPurple,\n      ), \/\/ \u5e94\u7528\u4e3b\u9898\uff0c\u8bbe\u7f6escaffold\u80cc\u666f\u8272\u4e3a\u6df1\u7d2b\u8272\n      home: Scaffold(\n        \/\/ \u9876\u90e8\u5e94\u7528\u680f\n        appBar: AppBar(title: Center(child: Text(\"\u7ad6\u5411\u5e03\u5c40\uff0c\u4e0d\u652f\u6301\u6eda\u52a8\"))), \/\/ \u5e94\u7528\u680f\u6807\u9898\uff0c\u5c45\u4e2d\u663e\u793a\n        \/\/ \u4e3b\u4f53\u5185\u5bb9\u533a\u57df\n        body: Container(\n          color: Colors.blueAccent, \/\/ \u5bb9\u5668\u80cc\u666f\u989c\u8272\u4e3a\u84dd\u8272\u5f3a\u8c03\u8272\n          height: double.infinity, \/\/ \u5bb9\u5668\u9ad8\u5ea6\u4e3a\u65e0\u9650\u5927\n          width: double.infinity, \/\/ \u5bb9\u5668\u5bbd\u5ea6\u4e3a\u65e0\u9650\u5927\n          child: Column(\n            mainAxisAlignment: MainAxisAlignment.center, \/\/ \u4e3b\u8f74\u5bf9\u9f50\u65b9\u5f0f\u4e3a\u5c45\u4e2d\n            crossAxisAlignment: CrossAxisAlignment.center, \/\/ \u4ea4\u53c9\u8f74\u5bf9\u9f50\u65b9\u5f0f\u4e3a\u5c45\u4e2d\n            children: [\n              \/\/ \u7b2c\u4e00\u4e2a\u5b50\u5bb9\u5668\n              Container(\n                margin: EdgeInsets.only(bottom: 20), \/\/ \u5e95\u90e8\u5916\u8fb9\u8ddd20\u50cf\u7d20\n                height: 200, \/\/ \u9ad8\u5ea6200\u50cf\u7d20\n                width: 200, \/\/ \u5bbd\u5ea6200\u50cf\u7d20\n                color: Colors.amber, \/\/ \u80cc\u666f\u989c\u8272\u4e3a\u7425\u73c0\u8272\n              ),\n              \/\/ \u7b2c\u4e8c\u4e2a\u5b50\u5bb9\u5668\n              Container(\n                margin: EdgeInsets.only(bottom: 20), \/\/ \u5e95\u90e8\u5916\u8fb9\u8ddd20\u50cf\u7d20\n                height: 200, \/\/ \u9ad8\u5ea6200\u50cf\u7d20\n                width: 200, \/\/ \u5bbd\u5ea6200\u50cf\u7d20\n                color: Colors.amber, \/\/ \u80cc\u666f\u989c\u8272\u4e3a\u7425\u73c0\u8272\n              ),\n              \/\/ \u7b2c\u4e09\u4e2a\u5b50\u5bb9\u5668\n              Container(\n                height: 200,\n                width: 200,\n                color: Colors.amber,\n              ), \/\/ \u9ad8\u5ea6200\u50cf\u7d20\uff0c\u5bbd\u5ea6200\u50cf\u7d20\uff0c\u80cc\u666f\u989c\u8272\u4e3a\u7425\u73c0\u8272\n            ],\n          ),\n        ),\n      ),\n    ),\n  );\n}\n<\/code><\/pre>\n\n\n\n
          \"\"<\/div><\/figure>\n\n\n\n
          <\/i><\/span>\u4e0d\u53ef\u6eda\u52a8\u6027<\/span><\/div>\n\n\n\n
          \"\"<\/div><\/figure>\n\n\n\n
          \n\n\n\n
          \n
          \u7528\u4f8b\uff0cRow()\u6a2a\u5411\u5e03\u5c40,\u4e0d\u652f\u6301\u6eda\u52a8<\/h3>\n\n\n\n
            \n
          • children<\/code> – \u5b50\u7ec4\u4ef6\u5217\u8868\uff08List\uff09\u3002<\/li>\n\n\n\n
          • mainAxisAlignment<\/code> – \u4e3b\u8f74\u5bf9\u9f50\uff08MainAxisAlignment\uff0c\u4f8b\u5982 spaceBetween\uff09\u3002<\/li>\n\n\n\n
          • crossAxisAlignment<\/code> – \u4ea4\u53c9\u8f74\u5bf9\u9f50\uff08CrossAxisAlignment\uff09\u3002<\/li>\n\n\n\n
          • mainAxisSize<\/code> – \u4e3b\u8f74\u5c3a\u5bf8\uff08MainAxisSize\uff09\u3002<\/li>\n<\/ul>\n\n\n\n
            \u5173\u952e\u4ee3\u7801<\/h4>\n\n\n\n
                   Row(\n            mainAxisAlignment: MainAxisAlignment.spaceAround, \/\/ \u4e3b\u8f74\u5bf9\u9f50\u65b9\u5f0f\u4e3a\u5747\u5300\u5206\u5e03\n            crossAxisAlignment: CrossAxisAlignment.start, \/\/ \u4ea4\u53c9\u8f74\u5bf9\u9f50\u65b9\u5f0f\u4e3a\u9876\u90e8\u5bf9\u9f50\n            children: [\n              \/\/ \u7b2c\u4e00\u4e2a\u5b50\u5bb9\u5668\n              Container(\n                height: 200,\n                width: 200,\n                color: Colors.amber,\n              ), \/\/ \u9ad8\u5ea6200\u50cf\u7d20\uff0c\u5bbd\u5ea6200\u50cf\u7d20\uff0c\u80cc\u666f\u989c\u8272\u4e3a\u7425\u73c0\u8272\n              \/\/ \u7b2c\u4e8c\u4e2a\u5b50\u5bb9\u5668\n              Container(\n                height: 200,\n                width: 200,\n                color: Colors.amber,\n              ), \/\/ \u9ad8\u5ea6200\u50cf\u7d20\uff0c\u5bbd\u5ea6200\u50cf\u7d20\uff0c\u80cc\u666f\u989c\u8272\u4e3a\u7425\u73c0\u8272\n              \/\/ \u7b2c\u4e09\u4e2a\u5b50\u5bb9\u5668\n              Container(\n                height: 200,\n                width: 200,\n                color: Colors.amber,\n              ), \/\/ \u9ad8\u5ea6200\u50cf\u7d20\uff0c\u5bbd\u5ea6200\u50cf\u7d20\uff0c\u80cc\u666f\u989c\u8272\u4e3a\u7425\u73c0\u8272\n            ],\n          ),<\/code><\/pre>\n\n\n\n
            \u5b8c\u6574\u4ee3\u7801<\/h4>\n\n\n\n
            \/\/ \u5bfc\u5165Flutter Material Design\u7ec4\u4ef6\u5e93\nimport 'package:flutter\/material.dart';\n\n\/\/ \u5e94\u7528\u7a0b\u5e8f\u5165\u53e3\u51fd\u6570\nvoid main() {\n  \/\/ \u8fd0\u884c\u5e94\u7528\u7a0b\u5e8f\uff0c\u4f20\u5165\u6839\u7ec4\u4ef6\n  runApp(\n    \/\/ MaterialApp\u7ec4\u4ef6\uff0c\u4f5c\u4e3a\u5e94\u7528\u7a0b\u5e8f\u7684\u6839\u7ec4\u4ef6\n    MaterialApp(\n      title: \"\u6a2a\u5411\u5e03\u5c40,\u4e0d\u652f\u6301\u6eda\u52a8\", \/\/ \u5e94\u7528\u7a0b\u5e8f\u6807\u9898\n      theme: ThemeData(\n        scaffoldBackgroundColor: Colors.deepPurple,\n      ), \/\/ \u5e94\u7528\u4e3b\u9898\uff0c\u8bbe\u7f6escaffold\u80cc\u666f\u8272\u4e3a\u6df1\u7d2b\u8272\n      home: Scaffold(\n        \/\/ \u9876\u90e8\u5e94\u7528\u680f\n        appBar: AppBar(title: Center(child: Text(\"\u6a2a\u5411\u5e03\u5c40,\u4e0d\u652f\u6301\u6eda\u52a8\"))), \/\/ \u5e94\u7528\u680f\u6807\u9898\uff0c\u5c45\u4e2d\u663e\u793a\n        \/\/ \u4e3b\u4f53\u5185\u5bb9\u533a\u57df\n        body: Container(\n          color: Colors.blueAccent, \/\/ \u5bb9\u5668\u80cc\u666f\u989c\u8272\u4e3a\u84dd\u8272\u5f3a\u8c03\u8272\n          height: double.infinity, \/\/ \u5bb9\u5668\u9ad8\u5ea6\u4e3a\u65e0\u9650\u5927\n          width: double.infinity, \/\/ \u5bb9\u5668\u5bbd\u5ea6\u4e3a\u65e0\u9650\u5927\n          child: Row(\n            mainAxisAlignment: MainAxisAlignment.spaceAround, \/\/ \u4e3b\u8f74\u5bf9\u9f50\u65b9\u5f0f\u4e3a\u5747\u5300\u5206\u5e03\n            crossAxisAlignment: CrossAxisAlignment.start, \/\/ \u4ea4\u53c9\u8f74\u5bf9\u9f50\u65b9\u5f0f\u4e3a\u9876\u90e8\u5bf9\u9f50\n            children: [\n              \/\/ \u7b2c\u4e00\u4e2a\u5b50\u5bb9\u5668\n              Container(\n                height: 200,\n                width: 200,\n                color: Colors.amber,\n              ), \/\/ \u9ad8\u5ea6200\u50cf\u7d20\uff0c\u5bbd\u5ea6200\u50cf\u7d20\uff0c\u80cc\u666f\u989c\u8272\u4e3a\u7425\u73c0\u8272\n              \/\/ \u7b2c\u4e8c\u4e2a\u5b50\u5bb9\u5668\n              Container(\n                height: 200,\n                width: 200,\n                color: Colors.amber,\n              ), \/\/ \u9ad8\u5ea6200\u50cf\u7d20\uff0c\u5bbd\u5ea6200\u50cf\u7d20\uff0c\u80cc\u666f\u989c\u8272\u4e3a\u7425\u73c0\u8272\n              \/\/ \u7b2c\u4e09\u4e2a\u5b50\u5bb9\u5668\n              Container(\n                height: 200,\n                width: 200,\n                color: Colors.amber,\n              ), \/\/ \u9ad8\u5ea6200\u50cf\u7d20\uff0c\u5bbd\u5ea6200\u50cf\u7d20\uff0c\u80cc\u666f\u989c\u8272\u4e3a\u7425\u73c0\u8272\n            ],\n          ),\n        ),\n      ),\n    ),\n  );\n}\n<\/code><\/pre>\n<\/div><\/div>\n\n\n\n
            \"\"<\/div><\/figure>\n\n\n\n
            \n\n\n\n
            \n
            \u7528\u4f8b\uff0cflex()\u548cExpanded()\u5f39\u6027\u5e03\u5c40,\u4e0d\u652f\u6301\u6eda\u52a8<\/h3>\n\n\n\n
              \n
            • flex<\/li>\n\n\n\n
            • direction -\u8bbe\u7f6e\u4e3b\u8f74\u65b9\u5411<\/li>\n\n\n\n
            • children-\u5217\u8868\u5b50\u7ec4\u4ef6<\/li>\n<\/ul>\n\n\n\n
                \n
              • flex-\u5b50\uff08Expanded\uff09<\/li>\n\n\n\n
              • flex -\u5360\u6bd4\uff08\u4efd\uff09<\/li>\n\n\n\n
              • child – \u5b50\u7ec4\u4ef6<\/li>\n<\/ul>\n\n\n\n
                \u5173\u952e\u4ee3\u7801<\/h4>\n\n\n\n
                       Flex(\n            direction: Axis.vertical, \/\/ \u4e3b\u8f74\u65b9\u5411\u4e3a\u5782\u76f4\n            children: [\n              \/\/ \u9876\u90e8\u5bb9\u5668\n              Container(height: 100, color: Colors.amber), \/\/ \u9ad8\u5ea6100\u50cf\u7d20\uff0c\u80cc\u666f\u989c\u8272\u4e3a\u7425\u73c0\u8272\n              \/\/ \u4e2d\u95f4\u5f39\u6027\u5bb9\u5668\n              Expanded(\n                child: Container(\n                  color: Colors.blueGrey, \/\/ \u80cc\u666f\u989c\u8272\u4e3a\u84dd\u7070\u8272\n                  child: Flex(\n                    direction: Axis.horizontal, \/\/ \u4e3b\u8f74\u65b9\u5411\u4e3a\u6c34\u5e73\n                    children: [\n                      \/\/ \u5de6\u4fa7\u5b50\u5bb9\u5668\uff0c\u53602\u4efd\n                      Expanded(\n                        flex: 2, \/\/ \u5f39\u6027\u7cfb\u6570\u4e3a2\n                        child: Container(\n                          height: 200, \/\/ \u9ad8\u5ea6200\u50cf\u7d20\n                          color: Colors.deepOrangeAccent, \/\/ \u80cc\u666f\u989c\u8272\u4e3a\u6df1\u6a59\u8272\u5f3a\u8c03\u8272\n                          width: 200, \/\/ \u5bbd\u5ea6200\u50cf\u7d20\n                        ),\n                      ),\n                      \/\/ \u53f3\u4fa7\u5b50\u5bb9\u5668\uff0c\u53601\u4efd\n                      Expanded(\n                        flex: 1, \/\/ \u5f39\u6027\u7cfb\u6570\u4e3a1\n                        child: Container(\n                          height: 200, \/\/ \u9ad8\u5ea6200\u50cf\u7d20\n                          color: Colors.green, \/\/ \u80cc\u666f\u989c\u8272\u4e3a\u7eff\u8272\n                          width: 200, \/\/ \u5bbd\u5ea6200\u50cf\u7d20\n                        ),\n                      ),\n                    ],\n                  ),\n                ),\n              ),\n              \/\/ \u5e95\u90e8\u5bb9\u5668\n              Container(height: 100, color: Colors.amber), \/\/ \u9ad8\u5ea6100\u50cf\u7d20\uff0c\u80cc\u666f\u989c\u8272\u4e3a\u7425\u73c0\u8272\n            ],\n          ),<\/code><\/pre>\n\n\n\n
                \u5b8c\u6574\u4ee3\u7801<\/h4>\n\n\n\n
                \/\/ \u5bfc\u5165Flutter Material Design\u7ec4\u4ef6\u5e93\nimport 'package:flutter\/material.dart';\n\n\/\/ \u5e94\u7528\u7a0b\u5e8f\u5165\u53e3\u51fd\u6570\nvoid main() {\n  \/\/ \u8fd0\u884c\u5e94\u7528\u7a0b\u5e8f\uff0c\u4f20\u5165\u6839\u7ec4\u4ef6\n  runApp(\n    \/\/ MaterialApp\u7ec4\u4ef6\uff0c\u4f5c\u4e3a\u5e94\u7528\u7a0b\u5e8f\u7684\u6839\u7ec4\u4ef6\n    MaterialApp(\n      title: \"\u5f39\u6027\u5e03\u5c40,\u4e0d\u652f\u6301\u6eda\u52a8\", \/\/ \u5e94\u7528\u7a0b\u5e8f\u6807\u9898\n      theme: ThemeData(\n        scaffoldBackgroundColor: Colors.deepPurple,\n      ), \/\/ \u5e94\u7528\u4e3b\u9898\uff0c\u8bbe\u7f6escaffold\u80cc\u666f\u8272\u4e3a\u6df1\u7d2b\u8272\n      home: Scaffold(\n        \/\/ \u9876\u90e8\u5e94\u7528\u680f\n        appBar: AppBar(title: Center(child: Text(\"\u5f39\u6027\u5e03\u5c40,\u4e0d\u652f\u6301\u6eda\u52a8\"))), \/\/ \u5e94\u7528\u680f\u6807\u9898\uff0c\u5c45\u4e2d\u663e\u793a\n        \/\/ \u4e3b\u4f53\u5185\u5bb9\u533a\u57df\n        body: Container(\n          color: Colors.blueAccent, \/\/ \u5bb9\u5668\u80cc\u666f\u989c\u8272\u4e3a\u84dd\u8272\u5f3a\u8c03\u8272\n          height: double.infinity, \/\/ \u5bb9\u5668\u9ad8\u5ea6\u4e3a\u65e0\u9650\u5927\n          width: double.infinity, \/\/ \u5bb9\u5668\u5bbd\u5ea6\u4e3a\u65e0\u9650\u5927\n          child: Flex(\n            direction: Axis.vertical, \/\/ \u4e3b\u8f74\u65b9\u5411\u4e3a\u5782\u76f4\n            children: [\n              \/\/ \u9876\u90e8\u5bb9\u5668\n              Container(height: 100, color: Colors.amber), \/\/ \u9ad8\u5ea6100\u50cf\u7d20\uff0c\u80cc\u666f\u989c\u8272\u4e3a\u7425\u73c0\u8272\n              \/\/ \u4e2d\u95f4\u5f39\u6027\u5bb9\u5668\n              Expanded(\n                child: Container(\n                  color: Colors.blueGrey, \/\/ \u80cc\u666f\u989c\u8272\u4e3a\u84dd\u7070\u8272\n                  child: Flex(\n                    direction: Axis.horizontal, \/\/ \u4e3b\u8f74\u65b9\u5411\u4e3a\u6c34\u5e73\n                    children: [\n                      \/\/ \u5de6\u4fa7\u5b50\u5bb9\u5668\uff0c\u53602\u4efd\n                      Expanded(\n                        flex: 2, \/\/ \u5f39\u6027\u7cfb\u6570\u4e3a2\n                        child: Container(\n                          height: 200, \/\/ \u9ad8\u5ea6200\u50cf\u7d20\n                          color: Colors.deepOrangeAccent, \/\/ \u80cc\u666f\u989c\u8272\u4e3a\u6df1\u6a59\u8272\u5f3a\u8c03\u8272\n                          width: 200, \/\/ \u5bbd\u5ea6200\u50cf\u7d20\n                        ),\n                      ),\n                      \/\/ \u53f3\u4fa7\u5b50\u5bb9\u5668\uff0c\u53601\u4efd\n                      Expanded(\n                        flex: 1, \/\/ \u5f39\u6027\u7cfb\u6570\u4e3a1\n                        child: Container(\n                          height: 200, \/\/ \u9ad8\u5ea6200\u50cf\u7d20\n                          color: Colors.green, \/\/ \u80cc\u666f\u989c\u8272\u4e3a\u7eff\u8272\n                          width: 200, \/\/ \u5bbd\u5ea6200\u50cf\u7d20\n                        ),\n                      ),\n                    ],\n                  ),\n                ),\n              ),\n              \/\/ \u5e95\u90e8\u5bb9\u5668\n              Container(height: 100, color: Colors.amber), \/\/ \u9ad8\u5ea6100\u50cf\u7d20\uff0c\u80cc\u666f\u989c\u8272\u4e3a\u7425\u73c0\u8272\n            ],\n          ),\n        ),\n      ),\n    ),\n  );\n}\n<\/code><\/pre>\n<\/div><\/div>\n\n\n\n
                \"\"<\/div><\/figure>\n\n\n\n
                \n\n\n\n
                \n
                \u7528\u4f8b\uff0cwrap\u6d41\u5f0f\u5e03\u5c40\uff0c\u4e0d\u652f\u6301\u6eda\u52a8<\/h3>\n\n\n\n
                  \n
                • direction<\/code> – \u65b9\u5411\uff08Axis.horizontal\/vertical\uff09\u3002<\/li>\n\n\n\n
                • alignment<\/code> – \u5bf9\u9f50\uff08WrapAlignment\uff09\u3002<\/li>\n\n\n\n
                • spacing<\/code> – \u5b50\u9879\u95f4\u6c34\u5e73\u95f4\u8ddd\uff08double\uff09\u3002<\/li>\n\n\n\n
                • runSpacing<\/code> – \u884c\u95f4\u8ddd\uff08double\uff09\u3002<\/li>\n\n\n\n
                • runAlignment<\/code> – \u884c\u5bf9\u9f50\uff08WrapAlignment\uff09\u3002<\/li>\n\n\n\n
                • crossAxisAlignment<\/code> – \u4ea4\u53c9\u8f74\u5bf9\u9f50\uff08WrapCrossAlignment\uff09\u3002<\/li>\n<\/ul>\n\n\n\n
                  \u5173\u952e\u4ee3\u7801<\/h4>\n\n\n\n
                        Wrap(\n            alignment: WrapAlignment.center, \/\/ \u5bf9\u9f50\u65b9\u5f0f\u4e3a\u5c45\u4e2d\n            direction: Axis.horizontal, \/\/ \u4e3b\u8f74\u65b9\u5411\u4e3a\u6c34\u5e73\n            children: getList(), \/\/ \u5b50\u7ec4\u4ef6\u5217\u8868\n            runSpacing: 10, \/\/ \u884c\u95f4\u8ddd10\u50cf\u7d20\n            spacing: 10, \/\/ \u5b50\u7ec4\u4ef6\u95f4\u8ddd10\u50cf\u7d20\n          ),<\/code><\/pre>\n\n\n\n
                  \u5b8c\u6574\u4ee3\u7801<\/h4>\n\n\n\n
                  \/\/ \u5bfc\u5165Flutter Material Design\u7ec4\u4ef6\u5e93\nimport 'package:flutter\/material.dart';\n\n\/\/ \u5e94\u7528\u7a0b\u5e8f\u5165\u53e3\u51fd\u6570\nvoid main() {\n  \/\/ \u8fd0\u884c\u5e94\u7528\u7a0b\u5e8f\uff0c\u4f20\u5165\u6839\u7ec4\u4ef6\n  runApp(wrapWidget());\n}\n\n\/\/ \u6d41\u5f0f\u5e03\u5c40Widget\uff0c\u7ee7\u627f\u81eaStatelessWidget\nclass wrapWidget extends StatelessWidget {\n  const wrapWidget({Key? key}) : super(key: key);\n\n  \/\/ \u751f\u6210\u5217\u8868\u7684\u65b9\u6cd5\n  List<Widget> getList() {\n    \/\/ \u751f\u621010\u4e2a\u5bb9\u5668\u7ec4\u4ef6\n    return List.generate(10, (index) {\n      \/\/ \u8fd4\u56de\u4e00\u4e2a\u84dd\u8272\u7684\u5bb9\u5668\uff0c\u9ad8\u5ea6\u548c\u5bbd\u5ea6\u90fd\u662f200\u50cf\u7d20\n      return Container(height: 200, width: 200, color: Colors.blue);\n    });\n  }\n\n  @override\n  Widget build(BuildContext context) {\n    return MaterialApp(\n      title: \"wrap\u6d41\u5f0f\u5e03\u5c40\", \/\/ \u5e94\u7528\u7a0b\u5e8f\u6807\u9898\n      theme: ThemeData(\n        scaffoldBackgroundColor: Colors.deepPurple,\n      ), \/\/ \u5e94\u7528\u4e3b\u9898\uff0c\u8bbe\u7f6escaffold\u80cc\u666f\u8272\u4e3a\u6df1\u7d2b\u8272\n      home: Scaffold(\n        \/\/ \u9876\u90e8\u5e94\u7528\u680f\n        appBar: AppBar(title: Center(child: Text(\"wrap\u6d41\u5f0f\u5e03\u5c40\"))), \/\/ \u5e94\u7528\u680f\u6807\u9898\uff0c\u5c45\u4e2d\u663e\u793a\n        \/\/ \u4e3b\u4f53\u5185\u5bb9\u533a\u57df\n        body: Container(\n          color: const Color.fromARGB(255, 52, 126, 255), \/\/ \u5bb9\u5668\u80cc\u666f\u989c\u8272\u4e3a\u84dd\u8272\n          height: double.infinity, \/\/ \u5bb9\u5668\u9ad8\u5ea6\u4e3a\u65e0\u9650\u5927\n          width: double.infinity, \/\/ \u5bb9\u5668\u5bbd\u5ea6\u4e3a\u65e0\u9650\u5927\n          child: Wrap(\n            alignment: WrapAlignment.center, \/\/ \u5bf9\u9f50\u65b9\u5f0f\u4e3a\u5c45\u4e2d\n            direction: Axis.horizontal, \/\/ \u4e3b\u8f74\u65b9\u5411\u4e3a\u6c34\u5e73\n            children: getList(), \/\/ \u5b50\u7ec4\u4ef6\u5217\u8868\n            runSpacing: 10, \/\/ \u884c\u95f4\u8ddd10\u50cf\u7d20\n            spacing: 10, \/\/ \u5b50\u7ec4\u4ef6\u95f4\u8ddd10\u50cf\u7d20\n          ),\n        ),\n      ),\n    );\n  }\n}\n<\/code><\/pre>\n<\/div><\/div>\n\n\n\n
                  \"\"<\/div><\/figure>\n\n\n\n
                  \n\n\n\n
                  \n
                  \u7528\u4f8b\uff0cStack,Positioned \u5806\u53e0\u5e03\u5c40<\/h3>\n\n\n\n
                  Stack\uff08\uff09<\/p>\n\n\n\n
                    \n
                  • key<\/code> – Widget \u7684 key\uff08Key\uff09\u3002<\/li>\n\n\n\n
                  • alignment<\/code> – \u5bf9\u9f50\u65b9\u5f0f\uff08Alignment\uff09\u3002<\/li>\n\n\n\n
                  • textDirection<\/code> – \u6587\u672c\u65b9\u5411\uff08TextDirection\uff09\u3002<\/li>\n\n\n\n
                  • fit<\/code> – \u9002\u914d\u65b9\u5f0f\uff08StackFit\uff09\u3002<\/li>\n\n\n\n
                  • clipBehavior<\/code> – \u88c1\u526a\u884c\u4e3a\uff08Clip\uff09\u3002<\/li>\n\n\n\n
                  • children<\/code> – \u5b50\u7ec4\u4ef6\u5217\u8868\uff08List\uff09\u3002<\/li>\n<\/ul>\n\n\n\n
                    Positioned \uff08\uff09<\/p>\n\n\n\n
                      \n
                    • key<\/code> – Widget \u7684 key\uff08Key\uff09\u3002<\/li>\n\n\n\n
                    • left<\/code> – \u8ddd\u7236\u5bb9\u5668\u5de6\u8fb9\u8ddd\u79bb\uff08double\uff09\u3002<\/li>\n\n\n\n
                    • top<\/code> – \u8ddd\u7236\u5bb9\u5668\u9876\u90e8\u8ddd\u79bb\uff08double\uff09\u3002<\/li>\n\n\n\n
                    • right<\/code> – \u8ddd\u7236\u5bb9\u5668\u53f3\u8fb9\u8ddd\u79bb\uff08double\uff09\u3002<\/li>\n\n\n\n
                    • bottom<\/code> – \u8ddd\u7236\u5bb9\u5668\u5e95\u90e8\u8ddd\u79bb\uff08double\uff09\u3002<\/li>\n\n\n\n
                    • width<\/code> – \u56fa\u5b9a\u5bbd\u5ea6\uff08double\uff09\u3002<\/li>\n\n\n\n
                    • height<\/code> – \u56fa\u5b9a\u9ad8\u5ea6\uff08double\uff09\u3002<\/li>\n<\/ul>\n\n\n\n
                      \u5173\u952e\u4ee3\u7801<\/h4>\n\n\n\n
                            Stack(\n            alignment: AlignmentGeometry.center, \/\/ \u5bf9\u9f50\u65b9\u5f0f\u4e3a\u5c45\u4e2d\n            children: [\n              \/\/ \u7b2c\u4e00\u5c42\u5bb9\u5668\uff08\u6700\u5e95\u5c42\uff09\n              Container(\n                height: 300,\n                width: 300,\n                color: Colors.amberAccent,\n              ), \/\/ \u9ad8\u5ea6300\u50cf\u7d20\uff0c\u5bbd\u5ea6300\u50cf\u7d20\uff0c\u80cc\u666f\u989c\u8272\u4e3a\u7425\u73c0\u8272\u5f3a\u8c03\u8272\n              \/\/ \u7b2c\u4e8c\u5c42\u5bb9\u5668\n              Container(\n                height: 200, \/\/ \u9ad8\u5ea6200\u50cf\u7d20\n                width: 200, \/\/ \u5bbd\u5ea6200\u50cf\u7d20\n                color: const Color.fromARGB(255, 66, 241, 171), \/\/ \u80cc\u666f\u989c\u8272\u4e3a\u9752\u7eff\u8272\n              ),\n              \/\/ \u7b2c\u4e09\u5c42\u5bb9\u5668\n              Container(\n                height: 100, \/\/ \u9ad8\u5ea6100\u50cf\u7d20\n                width: 100, \/\/ \u5bbd\u5ea6100\u50cf\u7d20\n                color: const Color.fromARGB(255, 44, 117, 219), \/\/ \u80cc\u666f\u989c\u8272\u4e3a\u84dd\u8272\n              ),\n              \/\/ \u53f3\u4e0b\u89d2\u5b9a\u4f4d\u5bb9\u5668\n              Positioned(\n                right: 20, \/\/ \u8ddd\u79bb\u53f3\u4fa720\u50cf\u7d20\n                bottom: 20, \/\/ \u8ddd\u79bb\u5e95\u90e820\u50cf\u7d20\n                child: Container(\n                  height: 100, \/\/ \u9ad8\u5ea6100\u50cf\u7d20\n                  width: 100, \/\/ \u5bbd\u5ea6100\u50cf\u7d20\n                  color: const Color.fromARGB(255, 255, 193, 58), \/\/ \u80cc\u666f\u989c\u8272\u4e3a\u9ec4\u8272\n                ),\n              ),\n              \/\/ \u5de6\u4e0b\u89d2\u5b9a\u4f4d\u5bb9\u5668\n              Positioned(\n                left: 20, \/\/ \u8ddd\u79bb\u5de6\u4fa720\u50cf\u7d20\n                bottom: 20, \/\/ \u8ddd\u79bb\u5e95\u90e820\u50cf\u7d20\n                child: Container(\n                  height: 100, \/\/ \u9ad8\u5ea6100\u50cf\u7d20\n                  width: 100, \/\/ \u5bbd\u5ea6100\u50cf\u7d20\n                  color: const Color.fromARGB(255, 255, 193, 58), \/\/ \u80cc\u666f\u989c\u8272\u4e3a\u9ec4\u8272\n                ),\n              ),\n              \/\/ \u53f3\u4e0a\u89d2\u5b9a\u4f4d\u5bb9\u5668\n              Positioned(\n                right: 20, \/\/ \u8ddd\u79bb\u53f3\u4fa720\u50cf\u7d20\n                top: 20, \/\/ \u8ddd\u79bb\u9876\u90e820\u50cf\u7d20\n                child: Container(\n                  height: 100, \/\/ \u9ad8\u5ea6100\u50cf\u7d20\n                  width: 100, \/\/ \u5bbd\u5ea6100\u50cf\u7d20\n                  color: const Color.fromARGB(255, 255, 193, 58), \/\/ \u80cc\u666f\u989c\u8272\u4e3a\u9ec4\u8272\n                ),\n              ),\n              \/\/ \u5de6\u4e0a\u89d2\u5b9a\u4f4d\u5bb9\u5668\n              Positioned(\n                left: 20, \/\/ \u8ddd\u79bb\u5de6\u4fa720\u50cf\u7d20\n                top: 20, \/\/ \u8ddd\u79bb\u9876\u90e820\u50cf\u7d20\n                child: Container(\n                  height: 100, \/\/ \u9ad8\u5ea6100\u50cf\u7d20\n                  width: 100, \/\/ \u5bbd\u5ea6100\u50cf\u7d20\n                  color: const Color.fromARGB(255, 255, 193, 58), \/\/ \u80cc\u666f\u989c\u8272\u4e3a\u9ec4\u8272\n                ),\n              ),\n              \/\/ \u5e95\u90e8\u5c45\u4e2d\u5b9a\u4f4d\u5bb9\u5668\n              Positioned(\n                bottom: 100, \/\/ \u8ddd\u79bb\u5e95\u90e8100\u50cf\u7d20\n                right: 0, \/\/ \u8ddd\u79bb\u53f3\u4fa70\u50cf\u7d20\n                left: 0, \/\/ \u8ddd\u79bb\u5de6\u4fa70\u50cf\u7d20\n                child: Container(\n                  height: 100, \/\/ \u9ad8\u5ea6100\u50cf\u7d20\n                  width: 100, \/\/ \u5bbd\u5ea6100\u50cf\u7d20\n                  color: const Color.fromARGB(255, 255, 238, 200), \/\/ \u80cc\u666f\u989c\u8272\u4e3a\u6d45\u9ec4\u8272\n                ),\n              ),\n            ],\n          ),<\/code><\/pre>\n\n\n\n
                      \u5b8c\u6574\u4ee3\u7801<\/h4>\n\n\n\n
                      \/\/ \u5bfc\u5165Flutter Material Design\u7ec4\u4ef6\u5e93\nimport 'package:flutter\/material.dart';\n\n\/\/ \u5e94\u7528\u7a0b\u5e8f\u5165\u53e3\u51fd\u6570\nvoid main() {\n  \/\/ \u8fd0\u884c\u5e94\u7528\u7a0b\u5e8f\uff0c\u4f20\u5165\u6839\u7ec4\u4ef6\n  runApp(\n    \/\/ MaterialApp\u7ec4\u4ef6\uff0c\u4f5c\u4e3a\u5e94\u7528\u7a0b\u5e8f\u7684\u6839\u7ec4\u4ef6\n    MaterialApp(\n      title: \"Stack,Positioned\", \/\/ \u5e94\u7528\u7a0b\u5e8f\u6807\u9898\n      theme: ThemeData(\n        scaffoldBackgroundColor: Colors.deepPurple,\n      ), \/\/ \u5e94\u7528\u4e3b\u9898\uff0c\u8bbe\u7f6escaffold\u80cc\u666f\u8272\u4e3a\u6df1\u7d2b\u8272\n      home: Scaffold(\n        \/\/ \u9876\u90e8\u5e94\u7528\u680f\n        appBar: AppBar(\n          title: Center(child: Text(\"Stack,Positioned\")),\n        ), \/\/ \u5e94\u7528\u680f\u6807\u9898\uff0c\u5c45\u4e2d\u663e\u793a\n        \/\/ \u4e3b\u4f53\u5185\u5bb9\u533a\u57df\n        body: Container(\n          color: Colors.blueAccent, \/\/ \u5bb9\u5668\u80cc\u666f\u989c\u8272\u4e3a\u84dd\u8272\u5f3a\u8c03\u8272\n          height: double.infinity, \/\/ \u5bb9\u5668\u9ad8\u5ea6\u4e3a\u65e0\u9650\u5927\n          width: double.infinity, \/\/ \u5bb9\u5668\u5bbd\u5ea6\u4e3a\u65e0\u9650\u5927\n          child: Stack(\n            alignment: AlignmentGeometry.center, \/\/ \u5bf9\u9f50\u65b9\u5f0f\u4e3a\u5c45\u4e2d\n            children: [\n              \/\/ \u7b2c\u4e00\u5c42\u5bb9\u5668\uff08\u6700\u5e95\u5c42\uff09\n              Container(\n                height: 300,\n                width: 300,\n                color: Colors.amberAccent,\n              ), \/\/ \u9ad8\u5ea6300\u50cf\u7d20\uff0c\u5bbd\u5ea6300\u50cf\u7d20\uff0c\u80cc\u666f\u989c\u8272\u4e3a\u7425\u73c0\u8272\u5f3a\u8c03\u8272\n              \/\/ \u7b2c\u4e8c\u5c42\u5bb9\u5668\n              Container(\n                height: 200, \/\/ \u9ad8\u5ea6200\u50cf\u7d20\n                width: 200, \/\/ \u5bbd\u5ea6200\u50cf\u7d20\n                color: const Color.fromARGB(255, 66, 241, 171), \/\/ \u80cc\u666f\u989c\u8272\u4e3a\u9752\u7eff\u8272\n              ),\n              \/\/ \u7b2c\u4e09\u5c42\u5bb9\u5668\n              Container(\n                height: 100, \/\/ \u9ad8\u5ea6100\u50cf\u7d20\n                width: 100, \/\/ \u5bbd\u5ea6100\u50cf\u7d20\n                color: const Color.fromARGB(255, 44, 117, 219), \/\/ \u80cc\u666f\u989c\u8272\u4e3a\u84dd\u8272\n              ),\n              \/\/ \u53f3\u4e0b\u89d2\u5b9a\u4f4d\u5bb9\u5668\n              Positioned(\n                right: 20, \/\/ \u8ddd\u79bb\u53f3\u4fa720\u50cf\u7d20\n                bottom: 20, \/\/ \u8ddd\u79bb\u5e95\u90e820\u50cf\u7d20\n                child: Container(\n                  height: 100, \/\/ \u9ad8\u5ea6100\u50cf\u7d20\n                  width: 100, \/\/ \u5bbd\u5ea6100\u50cf\u7d20\n                  color: const Color.fromARGB(255, 255, 193, 58), \/\/ \u80cc\u666f\u989c\u8272\u4e3a\u9ec4\u8272\n                ),\n              ),\n              \/\/ \u5de6\u4e0b\u89d2\u5b9a\u4f4d\u5bb9\u5668\n              Positioned(\n                left: 20, \/\/ \u8ddd\u79bb\u5de6\u4fa720\u50cf\u7d20\n                bottom: 20, \/\/ \u8ddd\u79bb\u5e95\u90e820\u50cf\u7d20\n                child: Container(\n                  height: 100, \/\/ \u9ad8\u5ea6100\u50cf\u7d20\n                  width: 100, \/\/ \u5bbd\u5ea6100\u50cf\u7d20\n                  color: const Color.fromARGB(255, 255, 193, 58), \/\/ \u80cc\u666f\u989c\u8272\u4e3a\u9ec4\u8272\n                ),\n              ),\n              \/\/ \u53f3\u4e0a\u89d2\u5b9a\u4f4d\u5bb9\u5668\n              Positioned(\n                right: 20, \/\/ \u8ddd\u79bb\u53f3\u4fa720\u50cf\u7d20\n                top: 20, \/\/ \u8ddd\u79bb\u9876\u90e820\u50cf\u7d20\n                child: Container(\n                  height: 100, \/\/ \u9ad8\u5ea6100\u50cf\u7d20\n                  width: 100, \/\/ \u5bbd\u5ea6100\u50cf\u7d20\n                  color: const Color.fromARGB(255, 255, 193, 58), \/\/ \u80cc\u666f\u989c\u8272\u4e3a\u9ec4\u8272\n                ),\n              ),\n              \/\/ \u5de6\u4e0a\u89d2\u5b9a\u4f4d\u5bb9\u5668\n              Positioned(\n                left: 20, \/\/ \u8ddd\u79bb\u5de6\u4fa720\u50cf\u7d20\n                top: 20, \/\/ \u8ddd\u79bb\u9876\u90e820\u50cf\u7d20\n                child: Container(\n                  height: 100, \/\/ \u9ad8\u5ea6100\u50cf\u7d20\n                  width: 100, \/\/ \u5bbd\u5ea6100\u50cf\u7d20\n                  color: const Color.fromARGB(255, 255, 193, 58), \/\/ \u80cc\u666f\u989c\u8272\u4e3a\u9ec4\u8272\n                ),\n              ),\n              \/\/ \u5e95\u90e8\u5c45\u4e2d\u5b9a\u4f4d\u5bb9\u5668\n              Positioned(\n                bottom: 100, \/\/ \u8ddd\u79bb\u5e95\u90e8100\u50cf\u7d20\n                right: 0, \/\/ \u8ddd\u79bb\u53f3\u4fa70\u50cf\u7d20\n                left: 0, \/\/ \u8ddd\u79bb\u5de6\u4fa70\u50cf\u7d20\n                child: Container(\n                  height: 100, \/\/ \u9ad8\u5ea6100\u50cf\u7d20\n                  width: 100, \/\/ \u5bbd\u5ea6100\u50cf\u7d20\n                  color: const Color.fromARGB(255, 255, 238, 200), \/\/ \u80cc\u666f\u989c\u8272\u4e3a\u6d45\u9ec4\u8272\n                ),\n              ),\n            ],\n          ),\n        ),\n      ),\n    ),\n  );\n}\n<\/code><\/pre>\n<\/div><\/div>\n\n\n\n
                      \"\"<\/div><\/figure>\n\n\n\n
                      \n\n\n\n
                      \u5f85\u66f4\u65b0\u3002\u3002\u3002<\/p>\n\n\n\n
                      <\/p>\n","protected":false},"excerpt":{"rendered":"
                      \u4e00.\u76d2\u5b50\u6a21\u578b \u7528\u4f8b\u4e00\uff1aContainer() \u5173\u952e\u4ee3\u7801 \u5b8c\u6574\u4ee3\u7801 \u4e8c.\u5e03\u5c40\u7ec4\u4ef6 Center() \u5c45\u4e2d \u5173\u952e\u8bed […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"advanced_seo_description":"","jetpack_seo_html_title":"","jetpack_seo_noindex":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[15],"tags":[],"class_list":["post-436","post","type-post","status-publish","format-standard","hentry","category-flutter"],"jetpack_featured_media_url":"","jetpack-related-posts":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.linerroom.cn\/index.php?rest_route=\/wp\/v2\/posts\/436","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.linerroom.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.linerroom.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.linerroom.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.linerroom.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=436"}],"version-history":[{"count":9,"href":"https:\/\/www.linerroom.cn\/index.php?rest_route=\/wp\/v2\/posts\/436\/revisions"}],"predecessor-version":[{"id":463,"href":"https:\/\/www.linerroom.cn\/index.php?rest_route=\/wp\/v2\/posts\/436\/revisions\/463"}],"wp:attachment":[{"href":"https:\/\/www.linerroom.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=436"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.linerroom.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=436"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.linerroom.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=436"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}