数据绑定-自定义控件的值
程序员文章站
2022-06-08 17:22:39
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<!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>
</head>
<body>
<div id="app">
<form action="" method="post">
<!-- true-value="已婚" 用于指定被选中时的值
false-value="未婚" 用于指定取消选中时的值 -->
<p><label>婚否：<input type="checkbox" name="marry" true-value="已婚" false-value="未婚" v-model="marry"></label>
</p>
<!-- 单选下拉列表中选项的值还可以与 data 对象下的属性进行绑定 -->
<p>
现居城市：
<select name="city" v-model="city">
<option value="" disabled>请选择</option>
<option v-bind:value="beijing">北京</option>
<option v-bind:value="shanghai">上海</option>
<option v-bind:value="zhengzhou">郑州</option>
</select>
</p>
</form>
</div>
<script src="./vue.js"></script>
<script>
new Vue({
el: '#app',
data: {
marry: '已婚',
city: '',
beijing: 'bj',
shanghai: 'sh',
zhengzhou: 'zz'
}
});
</script>
</body>
</html>