实例表单
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<script type="text/javascript" src="../js/vue.js"></script> <!-- 引入Vue.js -->
</head>
<body>
<div id="root">
<form @submit.prevent="demo">
账号: <input type="text" v-model.trim="userInfo.account"><br>
密码: <input type="password" v-model="userInfo.password"><br>
性别:
男:<input type="radio" name="sex" v-model="userInfo.sex" value="male">
女:<input type="radio" name="sex" v-model="userInfo.sex" value="female"><br>
年龄:<input type="number" name="age" v-model.number="userInfo.age" ><br>
爱好:
学习: <input type="checkbox" v-model="userInfo.hobby" value="stude">
打游戏: <input type="checkbox" v-model="userInfo.hobby" value="game">
吃饭: <input type="checkbox" v-model="userInfo.hobby" value="eat"><br>
所属校区
<select v-model="userInfo.city">
<option value="">请选择校区</option>
<option value="beijin">北京</option>
<option value="shanghai">上海</option>
<option value="shenzhen">深圳</option>
<option value="wuhan">武汉</option>
</select><br><br>
其他信息:
<textarea v-model.lazy="userInfo.other"></textarea><br>
<input type="checkbox" v-model="userInfo.agree"> 阅读并接收<a href="http://atguigu.com">《用户协议》</a>
<button>提交</button>
</form>
</div>
<script type="text/javascript">
new Vue({
el:'#root',
data:{
userInfo:{
account:'',
password:'',
sex:'female',
hobby:[],
age:'',
city:'',
other:'',
agree:''
}
},
methods: {
demo(){
console.log(JSON.stringify(this._data))
}
}
})
</script>
</body>
</html>

v-model的修饰符:
lazy失去焦点之后再收集数据
number:仅能输入数字
trim:去掉前后输入的空格