1.Map<String, dynamic>:这种Map的值可以是任何类型,包括基本数据类型(如int,double,String等),List,Map以及自定义对象。使用dynamic类型会导致更灵活的数据处理,但在编码时需要格外注意数据类型的转换和类型安全。 Map<String, dynamic> person ={'name': 'Alice','age': 30,'isStudent':true, }; 2.Map<S...
字符串从 a-z 排序。 Map<String, String> map =XXX, List<String> keys =map.keys.toList();//key排序keys.sort((a, b) { List<int> al =a.codeUnits; List<int> bl =b.codeUnits;for(inti =0; i < al.length; i++) {if(bl.length <= i)return1;if(al[i] >bl[i]) {return1;...
.getUrl(Uri.parse("http://10.91.22.16:3000/sts-direct-sign?ext=$ext")); HttpClientResponse response = await request.close(); String responseBody = await response.transform(utf8.decoder).join(); if (response.statusCode == 200) { Map<String, dynamic> json = jsonDecode(responseBody); if...
static Future<Map<String, dynamic>> getStsDirectSign(String ext) async { Dio dio = Dio(); //直传签名业务服务端url(正式环境 请替换成正式的直传签名业务url) //直传签名业务服务端代码示例可以参考:https://github.com/tencentyun/cos-demo/blob/main/server/direct-sign/nodejs/app.js //10.91.22....
GetStorage().read('user_test')的类型是_InternalLinkedHashMap<String, dynamic>,测试模型是Rx<TestMode>。 我试图从GetStorage检索数据并将其写入TestModel。我得到了 type '_InternalLinkedHashMap<String, dynamic>' is not a subtype of type 'TestModel' in type cast ...
['msg']asString, status: json['status']asbool, code: json['code']asint, data: FileMetaData.fromJson(json['data']asMap<String,dynamic>), ); } } classFileMetaData{ finalStringid; finalStringmd5; finalintsize; finalDateTimeaddTime; FileMetaData({ requiredthis.id, requiredthis.md5, ...
final String traceEventsFilePath = globals.fs.path.join(getBuildDirectory(), 'start_up_trace_events.json'); final File traceEventsFile = globals.fs.file(traceEventsFilePath); final List<Map<String, dynamic>> events = List<Map<String, dynamic>>.from((timeline['traceEvents'] as List<dynamic>...
Skip the iteration in Layer._fireCompositionCallbacks if the callbacks map is empty by @jason-simmons in #130438 Guard access to dart:developer with !kReleaseMode by @goderbauer in #130627 Allow OverlayPortal to be added/removed from the tree in a layout callback by @LongCatIsLooong in #...
{ _age = value; } int get num => _num; set num(int value) { _num = value; } People.fromJson(Map<String, dynamic> peopleJson) { _name = peopleJson['name']; _age = peopleJson['age']; _num = peopleJson['num']; } Map<String, dynamic> toJson() { return {"name": _...
EventChannel('App/Event/Channel');//App/Event/Channel和iOS的一致@overridevoidinitState(){super.initState();//开始监听eventChannel.receiveBroadcastStream("init").listen(_onEvent,onError:_onError);}// 数据接收void_onEvent(Object value){print('onEvent+$value');}// 错误处理void_onError(dynamic)...