后端开发完成

backend/app/schemas/__init__.py

@@ -0,0 +1,11 @@
+from app.schemas.user import UserCreate, UserUpdate, UserResponse, UserLogin
+from app.schemas.project import ProjectCreate, ProjectUpdate, ProjectResponse
+from app.schemas.project_history import ProjectHistoryResponse
+from app.schemas.auth import Token, TokenData
+
+__all__ = [
+    "UserCreate", "UserUpdate", "UserResponse", "UserLogin",
+    "ProjectCreate", "ProjectUpdate", "ProjectResponse",
+    "ProjectHistoryResponse",
+    "Token", "TokenData"
+]

backend/app/schemas/auth.py

@@ -0,0 +1,13 @@
+from pydantic import BaseModel
+from typing import Optional
+
+
+class Token(BaseModel):
+    """Token模型"""
+    access_token: str
+    token_type: str
+
+
+class TokenData(BaseModel):
+    """Token数据模型"""
+    username: Optional[str] = None

backend/app/schemas/project.py

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+from pydantic import BaseModel
+from datetime import datetime
+from typing import Optional
+
+
+class ProjectBase(BaseModel):
+    """项目基础模型"""
+    name: str
+    description: Optional[str] = None
+    department: str
+    budget: Optional[int] = None
+    start_date: Optional[datetime] = None
+    end_date: Optional[datetime] = None
+    status: Optional[str] = "pending"
+
+
+class ProjectCreate(ProjectBase):
+    """创建项目模型"""
+    pass
+
+
+class ProjectUpdate(BaseModel):
+    """更新项目模型"""
+    name: Optional[str] = None
+    description: Optional[str] = None
+    department: Optional[str] = None
+    budget: Optional[int] = None
+    start_date: Optional[datetime] = None
+    end_date: Optional[datetime] = None
+    status: Optional[str] = None
+
+
+class ProjectResponse(ProjectBase):
+    """项目响应模型"""
+    id: int
+    created_by: int
+    created_at: datetime
+    updated_at: Optional[datetime] = None
+    
+    class Config:
+        from_attributes = True

backend/app/schemas/project_history.py

@@ -0,0 +1,17 @@
+from pydantic import BaseModel
+from datetime import datetime
+
+
+class ProjectHistoryResponse(BaseModel):
+    """项目历史记录响应模型"""
+    id: int
+    project_id: int
+    changed_by: int
+    change_field: str
+    old_value: str
+    new_value: str
+    change_description: str
+    created_at: datetime
+    
+    class Config:
+        from_attributes = True

backend/app/schemas/user.py

@@ -0,0 +1,38 @@
+from pydantic import BaseModel, EmailStr
+from datetime import datetime
+from typing import Optional
+
+
+class UserBase(BaseModel):
+    """用户基础模型"""
+    username: str
+    department: str
+    role: str
+
+
+class UserCreate(UserBase):
+    """创建用户模型"""
+    password: str
+
+
+class UserUpdate(BaseModel):
+    """更新用户模型"""
+    password: Optional[str] = None
+    department: Optional[str] = None
+    role: Optional[str] = None
+
+
+class UserResponse(UserBase):
+    """用户响应模型"""
+    id: int
+    created_at: datetime
+    updated_at: Optional[datetime] = None
+    
+    class Config:
+        from_attributes = True
+
+
+class UserLogin(BaseModel):
+    """用户登录模型"""
+    username: str
+    password: str