微信小程序中的小小的遮罩层 - 魏什么呀

<view class=\'pop_wx_er\'>
    <view>ddddddddddddd</view>
    <view>ddddddddddddd</view>
    <view>ddddddddddddd</view>
    <view>ddddddddddddd</view>
    <view>ddddddddddddd</view>
    <view>ddddddddddddd</view>
    <view>ddddddddddddd</view>
    <view>ddddddddddddd</view>
    <view>ddddddddddddd</view>
    <view>ddddddddddddd</view>
    <view>ddddddddddddd</view>
    <view>ddddddddddddd</view>
    <view>ddddddddddddd</view>
    <view>ddddddddddddd</view>
    <view>ddddddddddddd</view>
    <view>ddddddddddddd</view>
    <view>ddddddddddddd</view>
    <view>ddddddddddddd</view>
    <view>ddddddddddddd</view>
    <view>ddddddddddddd</view>
    <view>ddddddddddddd</view>
    <view bindtap=\'click\'>试试</view>      
    <view class=\'rgb\'hidden="{{hiddenName}}">
        <view class=\'code_block\'>
    <image src=\'/assets/img/b8.png\'class=\'code_img\'bindtap=\'hidden\'></image>
        <text class=\'code_text\'>扫码进入商城</text>
    </view>

    </view>
</view>

　

.pop_wx_er{
   background-color: #35b4ed;
   top: 0; 
   width: 100%; 
   height:100%;
}
.pop_wx_er .rgb{
    position: fixed;
    z-index: 99;
    top:0;
    width: 100%;
    height: 100%;
    background:rgba(0, 0, 0, 0.5);
}
.pop_wx_er .rgb .code_block{
    width: 650rpx;
    height: 700rpx;
    border-radius: 16rpx;
    background-color: white;
    margin: 250rpx 50rpx;
    text-align: center;
}
.pop_wx_er .rgb .code_block .code_img{
    width: 500rpx;
    height: 500rpx;
    margin: 90rpx 75rpx 0 75rpx;
}
.pop_wx_er .rgb .code_block .code_text{
    font-size: 28rpx;  
    color: #666666;
}

js里就是简单的点击事件了

this.setData({hiddenName: !this.data.hiddenName})

初始值就是

hiddenName: true