<!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>非父子组件间的传值(bus/总线/发布订阅模式/观察者模式)</title>
<script src="./js/vue.js"></script>
</head>
<body>
<div id="root">
<child content="Hello"></child>
<child content="Sukie"></child>
</div>
<script>
Vue.prototype.bus = new Vue();
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>