<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>非父子組件傳值(Bus/總線、發佈訂閱模式/觀察者模式)</title>
<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
</head>
<body>
<div id="root">
<child content="Dell"></child>
<child content="Lee"></child>
</div>
<script>
Vue.prototype.bus = new Vue()
Vue.component('child',{
data: function() {
return {
selfContent: this.content
}
},
props: {
content: String
},
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>
