children: [
Checkbox(
value: this.flag,
onChanged..."选中" : "未选中")],
),
SizedBox(height: 20),
CheckboxListTile(...value: this.flag,
onChanged: (v) {
setState(() {
this.flag...),
Divider(),
CheckboxListTile(
value: this.flag,
onChanged...SizedBox(height: 20),
Switch(
value: this.flag,
onChanged