<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>非父子组件传值(BUS/总线/发布订阅模式/观察者模式)</title>
<script src="js/vue.js" type="text/javascript" charset="utf-8"></script>
</head>
<body>
<div id="root">
<child content="Dell"></child>
<child content="Lee"></child>
</div>
<script>
Vue.prototype.bus = new Vue() //不理解的请查看js原型对象(prototype)
Vue.component('child', {
props:{
content:String
},
data:function(){
return {
selfContent: this.content
}
},
template:"<div @click='handleClick'>{{selfContent}}</div>",
methods:{
handleClick:function(){
this.bus.$emit('change',this.selfContent)
}
},
mounted:function(){
var this_ = this
this.bus.$on('change',function(msg){
this_.selfContent = msg
})
}
})
var vm = new Vue({
el: '#root',
})
</script>
</body>
</html>