<baidu-map

                class="allMap"

                v-if="lookMap"

                :center="map.center"

                :zoom="map.zoom"

                :scroll-wheel-zoom="true">

          <bm-marker

                  v-for="(item, index) in pointList"

                  :key="index"

                  :position="{lng: item[1], lat: item[0]}">

          </bm-marker>

          <bm-polyline

                  v-for="(item, index) in lineList"

                  :key="index + '-' + index"

                  :path="item"

                  stroke-color="blue"

                  :stroke-opacity="0.5"

                  :stroke-weight="2"></bm-polyline>

 </baidu-map>

this.lineList = []

this.pointList = []

let jsonArr = []

   try {

     jsonArr = JSON.parse(row.scPhotoJson).features

     this.lookMap = true

     for (let i = 0; i < jsonArr.length; i++) {

            const type = jsonArr[i].geometry.type

            switch (type) {

              case 'LineString':

                let arr = []

                for (let j = 0; j < jsonArr[i].geometry.coordinates.length; j++) {

                  const item = jsonArr[i].geometry.coordinates[j]

                  let obj1 = {

                    lng: item[0][1],

                    lat: item[0][0]

                  }

                  let obj2 = {

                    lng: item[1][1],

                    lat: item[1][0]

                  }

                  let obj3 = [obj1, obj2]

                  arr.push(obj3)

                }

                this.lineList = arr

                break

              case 'MultiPoint':

                this.pointList = jsonArr[i].geometry.coordinates

                break

            }

          }

          this.map.center = {

            lng: this.pointList[0][1],

            lat: this.pointList[0][0]

          }

   } catch (e) {

          jsonArr = []

          this.$message.error('json格式有误!')

}