refactor(myapp): 重命名查询参数类以统一命名风格

- 将 ApplicationQueryParams 改为 ApplicationQueryParam
- 同步更新相关导入和函数参数类型注解
- 修改 PaginationQueryParams 为 PaginationQueryParam

refactor(demo): 重命名查询参数类以统一命名风格

- 将 DemoQueryParams 改为 DemoQueryParam
- 同步更新相关导入和函数参数类型注解
- 修改 PaginationQueryParams 为 PaginationQueryParam

refactor(gencode): 优化代码生成模块的模型和服务层结构

- 统一模型名称后缀为 Schema，调整相关引用
- 规范 Pydantic schema 的命名和定义
- 删除无用的 Python DAO 模板文件
- 调整导入路径，统一使用 app 目录下的模块路径
- 改进服务层方法签名，添加返回类型注解
- 使用自定义异常 CustomException 替代旧异常
- 统一成功响应格式为 SuccessResponse
- 优化代码生成服务中的数据库操作 DAO 调用参数传递
- 优化代码生成业务表和字段模型的字段定义，添加注释和默认值
- 优化生成代码路径处理逻辑和异常信息提示
- 整合分页查询参数定义，统一分页模型
- 修正多个服务方法的参数类型和返回类型
- 删除无用的导入和多余注释，提升代码整洁度

backend/app/common/constant.py

@@ -67,6 +67,7 @@ class GenConstants:
     # 页面不需要查询字段
     COLUMN_NAME_NOT_QUERY = ["id", "create_by", "dept_id", "create_time", "del_flag", "update_by", "update_time", "remark"]
 
+    # Dao基类字段
     DAO_COLUMN_NOT_EDIT = ["create_by", "dept_id", "create_time", "del_flag", "update_time"]
     
     # Entity基类字段

backend/app/common/enums.py

@@ -50,9 +50,9 @@ class RedisInitKeyConfig(Enum):
     @property
     def key(self) -> str:
         """获取Redis键名"""
-        return self.value.get('key')
+        return self.value.get('key', '')
 
     @property 
     def remark(self) -> str:
         """获取Redis键名说明"""
-        return self.value.get('remark')
+        return self.value.get('remark', '')

backend/app/common/response.py

@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 
-from typing import Any, Mapping, Optional, Dict, Union
+from typing import Any, Mapping, Optional
 from fastapi import status
 from fastapi.responses import JSONResponse, StreamingResponse, FileResponse
 from starlette.background import BackgroundTask
@@ -22,7 +22,7 @@ class SuccessResponse(JSONResponse):
     def __init__(
             self,
             data: Optional[Any] = None,
-            msg: Optional[str] = RET.OK.msg,
+            msg: str = RET.OK.msg,
             code: int = RET.OK.code,
             status_code: int = status.HTTP_200_OK,
             success: bool = True
@@ -51,7 +51,7 @@ class ErrorResponse(JSONResponse):
     def __init__(
             self,
             data: Optional[Any] = None,
-            msg: Optional[str] = RET.ERROR.msg,
+            msg: str = RET.ERROR.msg,
             code: int = RET.ERROR.code,
             status_code: int = status.HTTP_400_BAD_REQUEST,
             success: bool = False
@@ -111,7 +111,7 @@ class UploadFileResponse(FileResponse):
             file_path: str,
             filename: str,
             media_type: str = "application/octet-stream",
-            headers: Optional[Dict[str, Union[str, int]]] = None,
+            headers: Optional[Mapping[str, str]] = None,
             background: Optional[BackgroundTask] = None,
             status_code: int = 200
     ):