<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<div id="app">
<button v-on:click="wang">加货</button>
<p>总价：{{zong}}</p>
</div>
<script src="js/vue.js"></script>
<script>
new Vue({
el:'#app',
data:{
pa1:{pq:8,rty:3},
pa2:{pq:3,rty:5}
},
computed:{
zong:function(){
return this.pa1.pq*this.pa1.rty+this.pa2.pq*this.pa2.rty
}
},
methods:{
wang:function(){
this.pa1.rty++
}
}
})
</script>
</body>
</html>
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