vue中单选框 radio的双向数据绑定![image.png](https://p3-juejin.byteimg


<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <script src="https://unpkg.com/vue@next"></script>
  </head>
  <body>
    <div id="root"></div>
  </body>
  <script>
    const app = Vue.createApp({
      // 下面用到变量，这里需要定义
      data() {
        return {
          radioValue: "",
        };
      },
      // 模板
      template: `
        <h1>{{radioValue}}</h1>
        男<input type="radio" v-model="radioValue" id="" value="male"/>
        女<input type="radio" v-model="radioValue" id="" value="female"/>
        待定<input type="radio" v-model="radioValue" id="" value="unknown"/>
        `,
    });
    const vm = app.mount("#root");
  </script>
</html>