Method _getLabelFontFamily

src/common/mapping/WebMapV3.js:728–739

* @private * @function WebMapV3.prototype._getLabelFontFamily * @description 获取图层字体类型。

()

   * @description 获取图层字体类型。
   */
  _getLabelFontFamily() {
    const fonts = ['sans-serif'];
    const layers = this._mapInfo.layers;
    if (layers && layers.length > 0) {
      layers.forEach((layer) => {
        const textFont = (layer.layout && layer.layout['text-font']) || [];
        fonts.push(...textFont);
      });
    }
    const fontFamilys = fonts.join(',');
    return fontFamilys;
  }

  /**
   * @private