微信小程序input框之地图位置显示

<view class="mapBlock">
  <view class="lable">项目坐标</view>
  <map
      id="myMap"
      style="{{csstext}}"
      latitude="{{latitude}}"
      longitude="{{longitude}}"
      markers="{{markers}}"
      covers="{{covers}}"
      show-location
    ></map>
</view>

.mapBlock{
  height: 220rpx;
  display: flex;
  padding: 20rpx 30rpx;
  font-size: 14px;
  color: #333;
  background-color: #fff;
  box-sizing: border-box;
}
.mapBlock>.lable{
  line-height: 180rpx;
  width: 180rpx;
}

  data: {
    latitude:"",
    longitude:"",
    csstext:"",
  },
  onLoad: function (options) {
    const that=this;
    wx.getLocation({
      type: ‘gcj02‘,
      success (res) {
        console.log(res)
        that.setData({
          latitude:res.latitude,
          longitude:res.longitude
        })
      }
    })
    let w=wx.getSystemInfoSync().windowWidth;
    let mapw=w-20-90;
    let css=`width:${mapw}px;height:180rpx`;
    console.log(mapw,css)
    this.setData({
      csstext:css
    })
  },