小程序实现弹出遮罩层模态框

<view bindtap=‘showRule‘>点击弹出模态框</view>

<!--遮罩层-->
<view class="ruleZhezhao {{isRuleTrue?‘isRuleShow‘:‘isRuleHide‘}}">
    <view class=‘ruleZhezhaoContent‘>
      <image src=‘/images/zijia.png‘ class="select"></image>
      <image src=‘/images/kaiche.png‘ class="select"></image>
      <image src=‘/images/daijia.png‘ class="select"></image>
      <image src=‘/images/vip.png‘ class="select"></image>
      <image src=‘/images/cha.png‘ class=‘ruleHide‘ bindtap=‘hideRule‘></image>
    </view>
  </view>

data:{
showView: true
}
 //打开规则提示
  showRule: function () {
    this.setData({
      isRuleTrue: true
    })
  },
  //关闭规则提示
  hideRule: function () {
    this.setData({
      isRuleTrue: false
    })
  },

.isRuleShow{
  display: block;
}
.isRuleHide{
  display: none;
}
.ruleZhezhao{
  height: 100%;
  width: 100%;
  position: fixed;
  background-color:rgba(0, 0, 0, .5);
  top: 0;
  left: 0;
  z-index: 999;
}
.ruleZhezhaoContent{
  padding: 40rpx 0;
  width: 80%;
  background: #fff;
  margin: 40% auto;
  border-radius: 20rpx;
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  align-items: center;
  position: relative;
}

.ruleHide{
  height: 60rpx!important;
  width: 60rpx!important;
  position: absolute;
  top: -20rpx;
  right: -20rpx;
  z-index: 10000;
}
.rule{
  display: block;
  border: 1px solid #fff;
  width: 100rpx;
  text-align: center;
  line-height: 60rpx;
  color: #fff;
  height: 60rpx;
  font-size: 30rpx;
  border-radius: 30rpx;
  position: absolute;
  top: 10%;
  right: 5%;
}
.select{
  width: 520rpx;
  height: 110rpx;
  margin-top: 30rpx;
  margin-bottom: 30rxp;
}

原文地址：https://www.cnblogs.com/chabuer/p/11739227.html