<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>总线/Bus/观察者模式/发布订阅模式</title>
<script src="js/vue.js" type="text/javascript" charset="utf-8"></script>
</head>
<body>
<div id="root">
<child concent="Dell"></child>
<child concent="Lee" ></child>
</div>
<script>
Vue.prototype.bus=new Vue()//在VUE里添加一个属性
Vue.component('child',{
data:function(){
return{
selfConcent:this.concent
}
},
props:{
concent:String
},
template:'<div @click="handleClick">{{selfConcent}}</div>',
methods:{
handleClick:function(){
this.bus.$emit('change',this.selfConcent)
}
},
mounted:function(){
var this_=this
this.bus.$on("change",function(msg){
this_.selfConcent=msg
})
}
})
var vm=new Vue({
el:"#root"
})
</script>
</body>
</html>
