<!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>Document</title>
<script src="https://cdn.bootcss.com/vue/2.6.10/vue.js"></script>
</head>
<style>
#box{width: 200px;height: 200px; background: red;}
</style>
<body>
<div id="app">
<div id="box" @click='boxfunc'>
<button id="btn" @click.stop='btnfunc'>阻止冒泡</button>
<a href="http://www.baidu.com" @click.stop.prevent >阻止默认事件和冒泡</a>
</div>
<div id="box" @click.capture='boxfunc'>
<button id="btn" @click.stop='btnfunc'>阻止冒泡</button>
<a href="http://www.baidu.com" @click.prevent >阻止默认事件</a>
</div>
<div id="box" @click.self='boxfunc'>
<a href="http://www.baidu.com" @click.prevent.once >只执行一次，第二次跳转</a>
</div>
<p>事件修饰符，stop阻止冒泡，capture捕获机制,prevent阻止默认行为,once只触发一次,self只触发自己的事件</p>
</div>
<script>
var vm= new Vue({
el:'#app',
data:{
},
methods: {
boxfunc(){
alert('这是box的事件')
},
btnfunc(){
alert('这是btn的事件')
},
}
});
</script>
</body>
</html>