feat: 增加文件下载功能

frontend/src/api/index.ts

@@ -78,6 +78,9 @@ class RequestHttp {
     delete<T>(url: string, params?: any, _object = {}): Promise<ResultData<T>> {
         return this.service.delete(url, { params, ..._object });
     }
+    download<BlobPart>(url: string, params?: object, _object = {}): Promise<BlobPart> {
+        return this.service.post(url, params, _object);
+    }
 }
 
 export default new RequestHttp(config);