地图功能的实现

<!-- 地图弹出框 -->
    <el-dialog
      :visible.sync="mapDialogVisible"
      :show-close="true"
      width="50%"
      height="650px"
    >
      <div class="map-search-line">
        <el-input
          v-model="mapKeyword"
          style="width: 100%; margin-right: 20px"
          placeholder="请输入地点"
        />
        <!-- <el-button type="primary">搜索</el-button> -->
      </div>
      <div class="map-container-box">
        <baidu-map
          v-if="mapDialogVisible"
          class="map-container"
          :center="{ lng: mapSiteObj.longitude, lat: mapSiteObj.latitude }"
          :zoom="16"
          @moving="syncCenterAndZoom"
          @moveend="syncCenterAndZoom"
          @zoomend="syncCenterAndZoom"
        >
          <bm-local-search
            :keyword="mapKeyword"
            :auto-viewport="false"
            @infohtmlset="infoSelectHanlder"
            @markersset="showSuggestion"
          ></bm-local-search>
          <bm-marker
            :position="{ lng: mapSiteObj.longitude, lat: mapSiteObj.latitude }"
            :dragging="true"
            @dragend="markerDragOver"
          >
            <!-- <bm-info-window
              :show="show"
              @close="infoWindowClose"
              @open="infoWindowOpen"
              style="font-size: 13px"
            ></bm-info-window> -->
          </bm-marker>
        </baidu-map>
      </div>

      <div class="map-buttons-container">
        <el-button
          v-show="showFooterButtons"
          type="primary"
          @click="mapSaveAndClose"
          >保存并返回</el-button
        >
        <el-button v-show="showFooterButtons" @click="mapCancelAndClose"
          >取消</el-button
        >
      </div>
    </el-dialog>

 //打开地图弹出框
    openMap() {
      const { longitude, latitude } = this.siteForms;
      if (!longitude || !latitude) {
        this.mapSiteObj.longitude = 114.079646;
        this.mapSiteObj.latitude = 22.714196;
      } else {
        this.mapSiteObj.longitude = this.siteForms.longitude;
        this.mapSiteObj.latitude = this.siteForms.latitude;
      }
      this.mapDialogVisible = true;
    },
    mapCancelAndClose() {
      this.mapDialogVisible = false;
    },
    mapSaveAndClose() {
      this.siteForms.longitude = this.mapSiteObj.longitude;
      this.siteForms.latitude = this.mapSiteObj.latitude;
      this.mapDialogVisible = false;
      this.$refs.siteForm.validate();
    },
    syncCenterAndZoom(e) {
      const { lng, lat } = e.target.getCenter();
      this.mapSiteObj.longitude = lng;
      this.mapSiteObj.latitude = lat;
    },
    markerDragOver(e) {
      const { lng, lat } = e.point;
      this.mapSiteObj.longitude = lng;
      this.mapSiteObj.latitude = lat;
    },
    handlerMap({ BMap, map }) {
      console.log(BMap, map);
      this.mapSiteObj.longitude = 116.404;
      this.mapSiteObj.latitude = 39.915;
    },