<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
</head>
<body>
<div id="app">
<input type="text" v-model="name"/>
<span v-show="name">您的名字是：{{name}}</span>
</div>
<div id="app2">
<div>
<input type="text" v-model="name"/>
<span v-show="name">您的名字是：{{name}}</span>
</div>
<div>
<input type="text" v-model="age"/>
<span v-show="age">您的年龄是：{{age}}</span>
</div>
<div>
<input type="text" v-model="sex"/>
<span v-show="sex">您的性别是：{{sex}}</span>
</div>
<div>
<input type="text" v-model="phone"/>
<span v-if="phone">您的电话是：{{phone}}</span>
</div>
</div>
<script src="https://cdn.bootcss.com/vue/2.6.10/vue.js"></script>
<script>
var app=new Vue({
el:'#app',
data:{
name:'zhangsan',
}
})
var app2=new Vue({
el:'#app2',
data:{
name:'lisi',
age:18,
sex:null,
phone:null,
}
})
</script>
</body>
</html>
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