最近公司项目加了个页面,其中要求是这样的,点击对应列表,展开和收起,其实就是显示和隐藏内容部分;说来惭愧,我花了半天时间才搞出来(自黑一下~),接下来分享给大家,先上效果图:
vue页面:
<template> <div class=\"dealRecord-wrap\"> <div class=\"title-contant\" v-for=\"(item,index) in items \" > <div class=\"title\" @click=\"showHide(index)\"> <h3>2018年0{{index+6}}月</h3> <div class=\"number\">800笔<i></i></div> </div> <div class=\"contant\"> <ul> <li v-for=\"i in item.allNumber\"> {{index+6}} </li> </ul> </div> </div> </div> </template> <script> export default{ data(){ return{ items:[ {v:\'qqq\',allNumber:1}, {v:\'aaa\',allNumber:2}, {v:\'qqq\',allNumber:3}, ], } }, created(){ document.body.style.backgroundColor = \'#f6f6f6\'; }, mounted(){ for(var i=0;i<3;i++){ //这里取值自后台返回的长度,设置页面渲染完成后是否展开,此处不展开 document.getElementsByClassName(\'contant\')[i].style.height = \'0px\'; } }, components:{ }, methods:{ showHide(index){ //点击展开收起 let contant = document.getElementsByClassName(\'contant\')[index]; //这里我们通过参数index来让浏览器判断你点击的是哪一个列表 let height = contant.getBoundingClientRect().height; //获取页面元素的当前高度 document.getElementsByTagName(\'i\')[index].style.transform = !!height?\'rotateX(0deg)\':\'rotateX(180deg)\'; if (!!height) { contant.style.height = height + \'px\'; let f = document.body.offsetHeight; //强制相应dom重绘,使最新的样式得到应用 contant.style.height = \'0px\'; } else { contant.style.height = \'auto\'; height = contant.getBoundingClientRect().height; contant.style.height = \'0\'; let f = document.body.offsetHeight; contant.style.height = height + \'px\'; } } }, beforeDestroy(){ document.body.style.backgroundColor = \'#fff\'; } } </script> <style type=\"text/scss\" lang=\"scss\" scoped> .dealRecord-wrap{margin-bottom: 100px; .title-contant{overflow: hidden; /* 这个是重点 */ .title{height: 84px;padding: 0 24px;border-bottom: 1px solid #eaeaea;/*px*/ h3{height: 84px;font-size: 28px;color: #333;display: flex;align-items: center;float: left;;margin-left: 10px;} .number{height: 84px;font-size: 24px;color: #666;display: flex;align-items: center;float: right;} .number i{display: inline-block;width: 23px;height: 13px;background: url(\'../../assets/images/icon_dropup@2x.png\');background-repeat: no-repeat;background-size: 23px 13px;background-position: right 6px center;padding-right: 35px;display: flex;align-items: center; float: right;transform:rotateX(0deg);} } .contant{background: #fff;transition: height 1s; /* 这个也是重点 */ ul li{padding: 0 24px;height: 142px;display: flex;align-items: center;} ul li:not(:last-child){border-bottom: 1px solid #f6f6f6;/*px*/} } } } </style>
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