feat: 地理数据支持自定义请求 (#194)

Co-authored-by: wuding.why <wuding.why@alibaba-inc.com>
antvis · Jul 19, 2022 · 88e615a · 88e615a
1 parent 6fcfee9
commit 88e615a
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Showing 2 changed files with 30 additions and 2 deletions.
diff --git a/packages/l7plot/src/plots/choropleth/index.ts b/packages/l7plot/src/plots/choropleth/index.ts
@@ -416,8 +416,20 @@ export class Choropleth extends Plot<ChoroplethOptions> {
     const cacheArea = getCacheArea(fileName);
     if (cacheArea) return cacheArea;
     const { url, type, extension } = getGeoAreaConfig(this.options.geoArea);
-    const response = await fetch(`${url}/${level}/${fileName}.${extension}`);
-    let data = await response.json();
+
+    let data;
+    if (this.options.customFetchGeoData) {
+      data = await this.options.customFetchGeoData({
+        url,
+        level,
+        adcode,
+        granularity,
+        extension,
+      });
+    } else {
+      const response = await fetch(`${url}/${level}/${fileName}.${extension}`);
+      data = await response.json();
+    }
     if (type === 'topojson') {
       data = topojson2geojson(data);
     }

diff --git a/packages/l7plot/src/plots/choropleth/types.ts b/packages/l7plot/src/plots/choropleth/types.ts
@@ -122,13 +122,29 @@ export type Drill = {
   ) => void;
 };
 
+/**
+ * 业务自定义获取geo data 数据 参数类型
+ */
+ export interface CustomFetchGeoDataParams {
+  url: string;
+  level: string;
+  adcode: string | number;
+  granularity: string;
+  extension: string;
+}
+
 /** 行政区域图的配置类型定义 */
 export interface ChoroplethOptions extends PlotOptions, AreaLayerOptions {
   /**
    * 行政地理数据地址
    */
   geoArea?: string | GeoArea;
 
+  /**
+   * 自定义获取行政地理数据接口
+   */
+  customFetchGeoData?: (params: CustomFetchGeoDataParams) => Promise<any>;
+
   /**
    * 具体的数据
    */