<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
<title>vue-computed</title>
<link rel="stylesheet" href="css/mui.css" />
<script type="text/javascript" src="js/mui.js" ></script>
<script type="text/javascript" src="js/jquery-1.11.3.js" ></script>
<script type="text/javascript" src="js/vue.js" ></script>
<script type="text/javascript">
var vue;
$(function(){
//初始化vue
vue = new Vue({
el:"#app",
data:{
num: 0,
price: 2,
},
methods:{
doBtn:function(){
alert("总金额:"+this.num*this.price);
}
},
computed:{//计算属性
totalPrice:function(){
return this.num*this.price;
}
}
});
});
</script>
</head>
<body>
<div id="app">
单价:<input type="text" v-model="price" disabled="disabled"/>
请输入数量:<input type="text" v-model="num"/>
总金额:{{totalPrice}}
<button type="button" @click="doBtn" class="mui-btn mui-btn-primary">提交</button>
</div>
</body>
</html>
