[移动开发]Flutter 单选框 Radio

代码

import 'package:flutter/material.dart';

class PublishPage extends StatefulWidget {
  const PublishPage({Key? key}) : super(key: key);

  @override
  _PublishPageState createState() => _PublishPageState();
}

class _PublishPageState extends State<PublishPage> {
  int _part = 1;
  int _partGroupValue = 1;

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text("发布需求"),
      ),
      body: SingleChildScrollView(
        child: Column(
          children: [
            //我是 甲方 乙方
            SizedBox(
              height: 10,
            ),
            Row(
              children: [
                SizedBox(
                  width: 10,
                ),
                Text("我是："),
                Radio(
                    value: 1,
                    groupValue: _part,
                    onChanged: (value) {
                      debugPrint(value.toString());
                      setState(() {
                        this._part = 1;
                      });
                    }),
                Text("甲方"),
                Radio(
                    value: 2,
                    groupValue: _part,
                    onChanged: (value) {
                      debugPrint(value.toString());
                      setState(() {
                        this._part = 2;
                      });
                    }),
                Text("乙方"),
              ],
            )
          ],
        ),
      ),
    );
  }
}

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