vue222/10-组件化开发/09-组件插槽使用/复习/复习子组件访问父组件.html

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HTML

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<div id="app">
<h1>这是父组件</h1>
<div v-for="item in list">
<div>{{item}}</div>
</div>
<h1>这是子组件</h1>
<apps></apps>
</div>
<template id="tpl">
<div>
<div>
<div>{{lists}}</div>
</div>
<button @click="clickMe()">访问</button>
</div>
</template>
</body>
<script src="../../../00-tools/JavaScript/vue.js"></script>
<script>
new Vue({
el:"#app",
data:{
list:['这是父组件1', '这是父组件2', '这是父组件3', '这是父组件4']
},
components:{
'apps':{
template:"#tpl",
data(){
return {
lists:[]
}
},
methods: {
clickMe() {
this.lists = this.$root.list
}
},
}
}
})
</script>
</html>