<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>v-on 实例</title>
<script type="text/javascript" src="../assets/js/vue.js"></script>
</head>
<body>
<h1>v-on 事件监听器</h1>
<hr>
<div id="app">
本场比赛得分： {{count}}<br/>
<button v-on:click="jiafen">加分</button>
<button @click="jianfen">减分</button>
<input type="text" v-on:keyup.enter="onEnter" v-model="secondCount">
</div>
<script type="text/javascript">
var app=new Vue({
el:'#app',
data:{
count:1
},
methods:{
jiafen:function(){
this.count++;
},
jianfen:function(){
this.count--;
},
onEnter:function(){
this.count=this.count+parseInt(this.secondCount);
}
}
})
</script>
</body>
</html>
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