- radio 互斥,是通过 v-model 的变量名一致产生的
- 如果没有设置value, 则不会变为boolean
- 如果要设置默认选中,则v-model 变量的值和选中的值保持一致
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<script src="https://cdn.jsdelivr.net/npm/vue@2.6.6/dist/vue.js"></script>
</head>
<body>
<div id="app">
<div>
{{sex}}
</div>
<div>
<input type="radio" v-model='sex' value='boy'/> 男
</div>
<div>
<input type="radio" v-model='sex' value='girl'/> 女孩
</div>
<div>
{{other}} <input type="radio" v-model='other' /> other
</div>
</div>
</body>
<script>
var app = new Vue({
el: '#app',
data: function () {
return {
sex: 'girl',
other: true
}
},
methods: {
},
})
</script>
</html>