s = s.substring(0, s.length -1);finalarr = s.split(',').map((e) => e.trim()).toList();returnColor.fromRGBO(int.parse(arr[0]),int.parse(arr[1]),int.parse(arr[2]),double.parse(arr[3])); } ...returnconstColor.fromRGBO(0,0,0,0); } } 定义功能枚举类 enum RichText...
('path/to/file.jpg'); // 将MultipartFile对象添加到FormData中 formData.files.add(MapEntry('file', file)); // 添加其他参数到FormData中 formData.fields.add(MapEntry('name', 'John Doe')); // 发送POST请求 Response response = await dio.post('https://example.com/api/addToMap', data:...
items.add(initClassCallback(item)); } } returnitems; } ///转为 JSON 字符串 StringtoJson() { returnconstJsonEncoder().convert(this); } ///Json 对象转为 Map staticMapfromJson(finalStringdata) { returnconstJsonDecoder().convert(data); } } class_Set<T>{ finalTFunction(String?key) onG...
AI代码解释 classTodo{Todo(this.description,this.isCompleted);final bool isCompleted;final String description;}classTodosNotifierextendsStateNotifier<List<Todo>>{TodosNotifier():super([]);voidaddTodo(Todo todo){state=[...state,todo];}// TODO add other methods, such as "removeTodo", ...}final...
# add build_runner and compiler dependency dev_dependencies: build_runner: ^2.0.0 fair_compiler: ^1.4.0 # switch "fair_version" according to the local Flutter SDK version # Flutter SDK 3.3.x(3.3.0、3.3.1、3.3.2、3.3.3、3.3.4、3.3.5、3.3.6) -> flutter_3_3_0 ...
免费使用 字节跳动 Trae IDE Claude 3.5 Sonnet 自动编写 Flutter 代码 独立开发者_猫哥阅读712 用Cursor AI 写 flutter 直接喂设计图就行 独立开发者_猫哥赞1阅读915 flutter3-trip-hotel:2025实战Flutter3.27仿携程旅行App酒店预订系统模板 xiaoyan2017阅读893 ...
Map<String, Todo> _list = new Map(); // 用于保存所有todo Map<String, Todo> get list => _list; // 私有变量的getter void add(Todo todo) { // 添加todo _list[todo.id] = todo; notifyListeners(); // 通知组件状态改变 } void remove(String id) { // 删除todo ...
// 获取要移除的页面的Route对象Route routeToRemove = ModalRoute.of(context)!;// 使用Navigator.removeRoute方法移除指定页面Navigator.of(context).removeRoute(routeToRemove); 2.2.5 小结 本节详细讲解了Flutter中页面间导航的基本操作,包括页面跳转、页面返回、页面替换和页面移除等。通过了解这些操作的原理、用法...
--auto-add-overlay\ --non-final-ids\ -0\ apk\ --no-version-vectors Daemon: AAPT2 aapt2-3.2.1-4818971-windows Daemon #0 * Try: Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights...
(); //params //请求头 Map<String, dynamic> header = {}; //往下延申的相关字段 //地址 String path(); //请求方案get,post HttpMethod httpMethod(); //是否登录 bool needLogin(); //是否是HTTPS bool isHttps = true; ///参数录入 ///添加参数 BaseRequest add(String k, Object v) { ...