我是颤振初学者,正在学习地图概念。我很困惑地图方法。如何从地图中删除特定值?
例如:
Map data = { "studet1": {"name": "ajk", "age": "22", "place": "delhi"}, "studet2": {"name": "akmal", "age": "25", "place": "up"} };
我想从“student1”中删除“姓名”。
dart flutter
dart ×1
flutter ×1