小程序实例：小程序实现折叠菜单的效果（附代码）

<view>    <view>        <view>            <view>                <image></image><text>{{item.cont}}</text>            </view>            <view>                <text>{{item.discount}}</text><image></image>            </view>        </view>        <view>            <block>                <view>                    <view>                        <navigator><text>{{items.price}}</text><text>{{items.oldPrice}}</text></navigator>                        <navigator><text>{{items.validType}}</text><text>{{items.validTime}}</text></navigator>                    </view>                    <view>                        <text>购买</text>                    </view>                </view>            </block>        </view>    </view></view>

page{    background: #fff;}.swiper-img{    width: 750rpx;    height: 300rpx;}.cells .item .cdn{    position: relative;    box-sizing:border-box;    display: flex;    justify-content: space-between;    align-items: center;    padding: 20rpx 30rpx;    /*border-bottom: 1rpx solid #f0f0f0;*/    background-color: #fff;    font-size: 32rpx;}.cells .item .cdn::after{    content:'';position:absolute;top:0;left:0;width:200%;height:200%;-webkit-transform:scale(.5);transform:scale(.5);-webkit-transform-origin:0 0;transform-origin:0 0;pointer-events:none;box-sizing:border-box;border-bottom:0 solid #f0f0f0;border-width:1px}.img{    height: 44rpx;    width: 44rpx;    vertical-align: middle;    display: inline-block;    line-height: 82rpx;}.icon_img{    height:12rpx;    width:20rpx;}.content{    margin-left: 15rpx;    line-height: 82rpx;    vertical-align: middle;}.discount{    line-height: 82rpx;    vertical-align: middle;    color:orange;    box-sizing: border-box;    padding-right: 20rpx;}.video-item{    display: flex;    flex-direction: column;}.buys{    width:750rpx;    height: 141.6rpx;    position: relative;    box-sizing: border-box;    padding: 20rpx 30rpx;    display: flex;    flex-direction: row;    justify-content: space-between;    align-items: center;    background-color:#FAFAFA;}.buys::after {    content:'';position:absolute;top:0;left:0;width:200%;height:200%;-webkit-transform:scale(.5);transform:scale(.5);-webkit-transform-origin:0 0;transform-origin:0 0;pointer-events:none;box-sizing:border-box;    border-bottom:0 solid #DCDCDC;border-width:1px;}.v1{    width: 35%;    display: flex;    flex-direction: row;    flex-wrap: wrap;}.new-price{    font-size: 32rpx;    color: #3B3B3B;}.oldPrice{    text-decoration:line-through;    font-size: 24rpx;    color: #B0B0B0;    margin-left: 20rpx;}.buy{    font-size: 24rpx;    color: #2DAF73;    text-align: center;    width: 80rpx;    height: 40rpx;    line-height: 40rpx;    display: inline-block;    position: relative;    box-sizing: border-box;}.buy::after{    content:'';position:absolute;top:0;left:0;width:200%;height:200%;-webkit-transform:scale(.5);transform:scale(.5);-webkit-transform-origin:0 0;transform-origin:0 0;pointer-events:none;box-sizing:border-box;border:0 solid #2DAF73;border-width:1px;border-radius:8rpx}.shopping{    width: 128rpx;    height: 56rpx;    line-height: 56rpx;    position: relative;    box-sizing: border-box;    font-size: 28rpx;    color: #2DAF73;    text-align: center;}.shopping::after{    content:'';position:absolute;top:0;left:0;width:200%;height:200%;-webkit-transform:scale(.5);transform:scale(.5);-webkit-transform-origin:0 0;transform-origin:0 0;pointer-events:none;box-sizing:border-box;border:0 solid #2DAF73;border-width:1px;border-radius:16rpx}

data: {    memberList:[        {iamges:"/assets/logo_aiqiyi2x.png",          cont:"爱奇艺影视会员",          discount:"7.5折",          hiddena:true,          id:"0",          invalidActivty:[            {              price:"2.98元",              oldPrice:"3元",              validType:"周卡",              validTime:'7天有效'            },            {                price:"18.98元",                oldPrice:"25元",                validType:"月卡",                validTime:'30天有效'            },          ]        },        {iamges:"/assets/logo_tengxun2x.png",            cont:"腾讯视频会员",            discount:"7折",            hiddena:true,            id:"1",            invalidActivty:[                {                    price:"2.98元",                    oldPrice:"3元",                    validType:"周卡",                    validTime:'7天有效'                },                {                    price:"18.98元",                    oldPrice:"25元",                    validType:"月卡",                    validTime:'30天有效'                },            ]        },        {iamges:"/assets/logo_youku2x.png",            cont:"优酷视频黄金会员",            discount:"8折",            hiddena:true,            id:"2",            invalidActivty:[                {                    price:"2.98元",                    oldPrice:"3元",                    validType:"周卡",                    validTime:'7天有效'                },                {                    price:"18.98元",                    oldPrice:"25元",                    validType:"月卡",                    validTime:'30天有效'                },            ]        },        {iamges:"/assets/logo_sohu2x.png",            cont:"搜狐视频黄金会员",            discount:"8折",            hiddena:true,            id:"3",            invalidActivty:[                {                    price:"2.98元",                    oldPrice:"3元",                    validType:"周卡",                    validTime:'7天有效'                },                {                    price:"18.98元",                    oldPrice:"25元",                    validType:"月卡",                    validTime:'30天有效'                },            ]        },    ]  },  isOpen:function(e){      var that = this;      var idx = e.currentTarget.dataset.index;      console.log(idx);      var memberList = that.data.MemberList;      console.log(memberList);      for (let i=0; i <p>