微信小程序弹窗禁止页面滚动的实现代码

<view class="box">占位</view>
<view class="pop" catchtouchmove="touchMove">
 <view class="popbg"></view>
 <view class="popup">
  <scroll-view scroll-y>
   <view class="row" wx:for="{{10}}" wx:key="index">{{index}}</view>
  </scroll-view>
 </view>
</view>

.box {
 height: 120vh;
}

.popbg {
 position: fixed;
 top: 0;
 left: 0;
 width: 100%;
 height: 100%;
 background: rgba(0, 0, 0, 0.7);
}

.popup {
 position: fixed;
 top: 20%;
 left: 50%;
 transform: translate(-50%, 0);
 width: 70%;
 background: #fff;
 z-index: 1;
}

scroll-view {
 height: 500rpx;
}

.row {
 width: 100%;
 height: 200rpx;
}

Page({
 touchMove() {
  return
 }
})