2022-03-01 GlobalKey的使用
2022-03-01 本文已影响0人
Jean_Lina
(1) 定义GlobalKey
final GlobalKey<_UserInfoItemState> _globalKey = GlobalKey();
(2) 绑定key
body: UserInfoItem(key: _globalKey),
(3)使用GlobalKey访问currentState中的变量
final String? userName = _globalKey.currentState?.widget.userName;
final String? userPhone = _globalKey.currentState?.userPhone;
