Vue双向绑定“v-model”
文本框、单选按钮、下拉选择
<!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">
<script src="https://cdn.bootcss.com/vue/2.6.10/vue.min.js"></script>
<title>Document</title>
</head>
<body>
<div id="app">
输入文本：<input type="text" v-model="message"> {
{message}}
<br>性别：
<input type="radio" name="sex" value="男" v-model=liu>男
<input type="radio" name="sex" value="女" v-model=liu>女
{
{liu}}
<br>下拉菜单
<select name="" id="" v-model="select">
<option value="">--请选择--</option>
<option>a</option>
<option>c</option>
<option>d </option>
</select>
<span>value:{
{select}}</span>
</div>
<script>
var app = new Vue({
el: #app,
data: {
message: "",
liu: "",
select: ""
}
});
</script>
</body>
</html>
