只需更改
text属性
TextField( controller: txt, ), RaisedButton(onPressed: () { txt.text = "My Stringt"; }),而
txt只是一个
TextEditingController
var txt = TextEditingController();
只需更改
text属性
TextField( controller: txt, ), RaisedButton(onPressed: () { txt.text = "My Stringt"; }),而
txt只是一个
TextEditingController
var txt = TextEditingController();
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