📜  有状态小部件中的颤振构造函数 - 任何代码示例

📅  最后修改于: 2022-03-11 14:56:14.636000             🧑  作者: Mango

代码示例1
STATEFUL WIDGET CONSTRUCTOR

class ServerIpText extends StatefulWidget {
  final String serverIP;

  const ServerIpText ({ Key key, this.serverIP }): super(key: key);

  @override
  _ServerIpTextState createState() => _ServerIpTextState();
}

class _ServerIpTextState extends State {
  @override
  Widget build(BuildContext context) {
    return Text(widget.serverIP);
  }
}

class AnotherClass extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Center(
      child: ServerIpText(serverIP: "127.0.0.1")
    );
  }
}