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FlutterUnit/lib/views/widgets/StatefulWidget/TextField/node2_cursor.dart
2021-03-20 09:05:59 +08:00

73 lines
2.0 KiB
Dart

import 'package:flutter/material.dart';
/// create by 张风捷特烈 on 2020-03-29
/// contact me by email 1981462002@qq.com
/// 说明:
// {
// "widgetId": 54,
// "name": 'TextField行数和cursor',
// "priority": 2,
// "subtitle":
// "【minLines】 : 最小行数 【int】\n"
// "【maxLines】 : 最大行数 【int】\n"
// "【cursorRadius】 : 光标半径 【Radius】\n"
// "【cursorColor】 : 光标颜色 【Color】\n"
// "【cursorWidth】 : 光标宽度 【double】\n"
// "【showCursor】 : 是否显示光标 【bool】\n"
// "【autofocus】 : 自动聚焦 【bool】",
// }
class CursorTextField extends StatefulWidget {
@override
_CursorTextFieldState createState() => _CursorTextFieldState();
}
class _CursorTextFieldState extends State<CursorTextField> {
final FocusNode _focusNode = FocusNode();
@override
void dispose() {
_focusNode.dispose();
super.dispose();
}
@override
Widget build(BuildContext context) {
return Column(
crossAxisAlignment: CrossAxisAlignment.end,
children: <Widget>[
_buildSubmitBtn(),
_buildTextField(context),
],
);
}
Container _buildTextField(BuildContext context) {
return Container(
width: 300,
child: TextField(
style: TextStyle(color: Colors.blue),
minLines: 3,
maxLines: 5,
cursorColor: Colors.green,
cursorRadius: Radius.circular(3),
cursorWidth: 5,
showCursor: true,
decoration: InputDecoration(
contentPadding: EdgeInsets.all(10),
hintText: "请输入...",
border: OutlineInputBorder(),
),
onChanged: (v) {},
),
);
}
_buildSubmitBtn() => FlatButton(
color: Colors.blue,
child: Text(
"提交",
style: TextStyle(color: Colors.white, fontSize: 16),
),
onPressed: () => FocusScope.of(context).requestFocus(_focusNode));
}