Method _transExtentToBounds

src/common/mapping/WebMapV2.js:326–336

(extent)

    }

    _transExtentToBounds(extent) {
      if (extent instanceof Array) {
        return extent;
      }
      return [
        extent.leftBottom.x,
        extent.leftBottom.y,
        extent.rightTop.x,
        extent.rightTop.y
      ];
    }

    async _createMap(mapInfo) {
      // 获取字体样式