小程序去上下黑边

wxml

  
      
  

**第二个**
  

  

css

 .vid-wrap{width:100%;padding-bottom:57.25%;height: 0; }

Page({
  data: {
    mapUrl: "",
  },
  onReady: function () {
    this.setData({
      mapUrl: "http://wxsnsdy.tc.qq.com/105/20210/snsdyvideodownload?filekey=30280201010421301f0201690402534804102ca905ce620b1241b726bc41dcff44e00204012882540400&bizid=1023&hy=SH&fileparam=302c020101042530230204136ffd93020457e3c4ff02024ef202031e8d7f02030f42400204045a320a0201000400"
    })
  },
});