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<html lang="en">
<head> <meta charset="UTF-8"> <title>父子组件通信</title> <script src="vue.min.js"> </script> </head>
<body>
<div id="app"> <cpn :cmovies="movies" :cmessage="message" @itemclick="cpnclick"></cpn> </div>
<template id="cpn"> <div> <button v-for="item in categories" @click="itemclick(item)"> {{item.name}} </button> <h2>{{cmessage}}</h2> {{cmovies}} </div> </template>
<script> const cpn = { template: '#cpn', props: { cmovies: Array, cmessage: String }, data() { return { categories: [ { id: 1, name: '热门推荐' }, { id: 2, name: '手机数码' }, { id: 3, name: '家用办公' } ] } }, methods: { itemclick(item) { this.$emit('itemclick', item) } } } const app = new Vue({ el: '#app', data: { message: '你好啊', movies: ['海王', '海尔兄弟', "加勒比海盗"] }, components: { cpn }, methods: { cpnclick(item) { console.log(item) } } }) </script> </body>
</html>
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