更新API请求体，移除不必要的请求参数

app/api/v1/endpoints/network/regions.py

@@ -91,7 +91,7 @@ async def fastapi_get_region(
 )
 async def fastapi_set_region(
     network: str = Query(..., description="管网名称（或数据库名称）"),
-    req: Request = Body(...)
+    req: Request = None
 ) -> ChangeSet:
     """设置区域属性。"""
     props = await req.json()
@@ -105,7 +105,7 @@ async def fastapi_set_region(
 )
 async def fastapi_add_region(
     network: str = Query(..., description="管网名称（或数据库名称）"),
-    req: Request = Body(...)
+    req: Request = None
 ) -> ChangeSet:
     """添加新的区域。"""
     props = await req.json()
@@ -119,7 +119,7 @@ async def fastapi_add_region(
 )
 async def fastapi_delete_region(
     network: str = Query(..., description="管网名称（或数据库名称）"),
-    req: Request = Body(...)
+    req: Request = None
 ) -> ChangeSet:
     """删除区域。"""
     props = await req.json()
@@ -161,7 +161,7 @@ async def fastapi_generate_region(
 )
 async def fastapi_calculate_district_metering_area(
     network: str = Query(..., description="管网名称（或数据库名称）"),
-    req: Request = Body(...)
+    req: Request = None
 ) -> list[list[str]]:
     """
     计算DMA分区。
@@ -188,7 +188,7 @@ async def fastapi_calculate_district_metering_area(
 )
 async def fastapi_calculate_district_metering_area_for_region(
     network: str = Query(..., description="管网名称（或数据库名称）"),
-    req: Request = Body(...)
+    req: Request = None
 ) -> list[list[str]]:
     """
     计算区域内DMA分区。
@@ -215,7 +215,7 @@ async def fastapi_calculate_district_metering_area_for_region(
 )
 async def fastapi_calculate_district_metering_area_for_network(
     network: str = Query(..., description="管网名称（或数据库名称）"),
-    req: Request = Body(...)
+    req: Request = None
 ) -> list[list[str]]:
     """
     计算整网DMA分区。
@@ -262,7 +262,7 @@ async def fastapi_get_district_metering_area(
 )
 async def fastapi_set_district_metering_area(
     network: str = Query(..., description="管网名称（或数据库名称）"),
-    req: Request = Body(...)
+    req: Request = None
 ) -> ChangeSet:
     """设置DMA属性。"""
     props = await req.json()
@@ -276,7 +276,7 @@ async def fastapi_set_district_metering_area(
 )
 async def fastapi_add_district_metering_area(
     network: str = Query(..., description="管网名称（或数据库名称）"),
-    req: Request = Body(...)
+    req: Request = None
 ) -> ChangeSet:
     """添加新的DMA。"""
     props = await req.json()
@@ -297,7 +297,7 @@ async def fastapi_add_district_metering_area(
 )
 async def fastapi_delete_district_metering_area(
     network: str = Query(..., description="管网名称（或数据库名称）"),
-    req: Request = Body(...)
+    req: Request = None
 ) -> ChangeSet:
     """删除DMA。"""
     props = await req.json()
@@ -408,7 +408,7 @@ async def fastapi_get_service_area(
 )
 async def fastapi_set_service_area(
     network: str = Query(..., description="管网名称（或数据库名称）"),
-    req: Request = Body(...)
+    req: Request = None
 ) -> ChangeSet:
     """设置服务区属性。"""
     props = await req.json()
@@ -422,7 +422,7 @@ async def fastapi_set_service_area(
 )
 async def fastapi_add_service_area(
     network: str = Query(..., description="管网名称（或数据库名称）"),
-    req: Request = Body(...)
+    req: Request = None
 ) -> ChangeSet:
     """添加新的服务区。"""
     props = await req.json()
@@ -436,7 +436,7 @@ async def fastapi_add_service_area(
 )
 async def fastapi_delete_service_area(
     network: str = Query(..., description="管网名称（或数据库名称）"),
-    req: Request = Body(...)
+    req: Request = None
 ) -> ChangeSet:
     """删除服务区。"""
     props = await req.json()
@@ -514,7 +514,7 @@ async def fastapi_get_virtual_district(
 )
 async def fastapi_set_virtual_district(
     network: str = Query(..., description="管网名称（或数据库名称）"),
-    req: Request = Body(...)
+    req: Request = None
 ) -> ChangeSet:
     """设置虚拟分区属性。"""
     props = await req.json()
@@ -528,7 +528,7 @@ async def fastapi_set_virtual_district(
 )
 async def fastapi_add_virtual_district(
     network: str = Query(..., description="管网名称（或数据库名称）"),
-    req: Request = Body(...)
+    req: Request = None
 ) -> ChangeSet:
     """添加新的虚拟分区。"""
     props = await req.json()
@@ -542,7 +542,7 @@ async def fastapi_add_virtual_district(
 )
 async def fastapi_delete_virtual_district(
     network: str = Query(..., description="管网名称（或数据库名称）"),
-    req: Request = Body(...)
+    req: Request = None
 ) -> ChangeSet:
     """删除虚拟分区。"""
     props = await req.json()
@@ -568,7 +568,7 @@ async def fastapi_get_all_virtual_district(
 async def fastapi_generate_virtual_district(
     network: str = Query(..., description="管网名称（或数据库名称）"),
     inflate_delta: float = Query(..., description="膨胀参数"),
-    req: Request = Body(...)
+    req: Request = None
 ) -> ChangeSet:
     """生成虚拟分区。"""
     props = await req.json()
@@ -581,7 +581,7 @@ async def fastapi_generate_virtual_district(
 )
 async def fastapi_calculate_district_metering_area_for_nodes(
     network: str = Query(..., description="管网名称（或数据库名称）"),
-    req: Request = Body(...)
+    req: Request = None
 ) -> list[list[str]]:
     """
     计算节点DMA分区。