Vue评论区功能
广东话的蛇皇 人气:0实现代码
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, inital-scale=1.0"> <meta http-equiv="X-UA-Compatible" content="ie=edge"> <title>评论</title> <script src="vue.js"></script> <link rel="stylesheet" href="bootstrap.min.css" > </head> <body> <div id="app"> <cmt-box @func="loadComments"></cmt-box> <ul class="list-group"> <li class="list-group-item" v-for="item in list" :key="item.id"> <span class="badge">评论人:{{ item.user }}</span> {{ item.content }} </li> </ul> </div> <template id="tmpl"> <div> <div class="form-group"> <label>评论人:</label> <input type="text" class="form-control" v-model="user"> </div> <div class="form-group"> <label>评论内容:</label> <textarea class="form-control" v-model="content"></textarea> </div> <div class="form-group"> <input type="button" value="发表评论" class="btn btn-primary" @click="postComments"> </div> </div> </template> <script> var commentBox = { template: '#tmpl', data() { return { user: '', content: '' } }, methods: { postComments() { var comment = {id: Date.now(), user:this.user, content:this.content } var list = JSON.parse(localStorage.getItem('cmts') || '[]') list.unshift(comment) localStorage.setItem('cmts',JSON.stringify(list)) this.user = this.content = '' this.$emit('func') } } } var vm = new Vue({ el: '#app', data: { list:[ { time: Date.now(), user: '路人甲', content: '武汉加油' }, { time: Date.now(), user: '炮灰乙', content: '中国加油' }, { time: Date.now(), user: '小兵丙', content: '广东加油' }, { time: Date.now(), user: '土匪丁', content: '全球加油' } ] }, created(){ this.loadComments() }, methods: { loadComments(){ var list = JSON.parse(localStorage.getItem('cmts') || '[]') this.list = list } }, components: { 'cmt-box': commentBox } }); </script> </body> </html>
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