as is

StopShopping.AdminApi/Routes/District.cs

@@ -0,0 +1,34 @@
+using StopShopping.Services;
+using StopShopping.Services.Models.Req;
+using StopShopping.Services.Models.Resp;
+
+namespace StopShopping.AdminApi.Routes;
+
+public static class District
+{
+    public static RouteGroupBuilder MapDistrict(this RouteGroupBuilder routes)
+    {
+        routes.MapGet("/district/top3level", GetTop3LevelDistrictsAsync)
+            .WithTags(OpenApiTags.地址.ToString());
+
+        routes.MapGet("/district/children", GetChildrenDistricts)
+            .WithTags(OpenApiTags.地址.ToString());
+
+        return routes;
+    }
+
+    private static ApiResponse<List<Services.Models.Resp.District>> GetChildrenDistricts(
+        [AsParameters] DistrictParentIdParams model,
+        IDistrictService districtService
+    )
+    {
+        return districtService.GetChildren(model);
+    }
+
+    private static async Task<ApiResponse<List<Services.Models.Resp.District>>> GetTop3LevelDistrictsAsync(
+        IDistrictService districtService
+    )
+    {
+        return await districtService.GetTop3LevelDistrictsAsync();
+    }
+}