import 'package:flutter/material.dart'; /// 页面缓存 class KeepAliveWrapper extends StatefulWidget { final Widget child; const KeepAliveWrapper({Key? key, required this.child}) : super(key: key); @override _KeepAliveWrapperState createState() => _KeepAliveWrapperState(); } class _KeepAliveWrapperState extends State with AutomaticKeepAliveClientMixin { @override bool get wantKeepAlive => true; @override Widget build(BuildContext context) { super.build(context); return widget.child; } }