初始版本

backend/app/schemas/post.py

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+"""
+博客文章相关的 Pydantic 模式
+"""
+from datetime import datetime
+from typing import Optional
+from pydantic import BaseModel
+
+
+class PostBase(BaseModel):
+    """博客文章基础模式"""
+    title: str
+    slug: str
+    content: str
+
+
+class PostCreate(PostBase):
+    """创建博客文章请求模式"""
+    pass
+
+
+class PostUpdate(BaseModel):
+    """更新博客文章请求模式"""
+    title: Optional[str] = None
+    slug: Optional[str] = None
+    content: Optional[str] = None
+
+
+class PostInDB(PostBase):
+    """数据库中的博客文章模式"""
+    id: int
+    created_at: datetime
+    updated_at: Optional[datetime] = None
+    user_id: int
+    
+    class Config:
+        from_attributes = True
+
+
+class Post(PostInDB):
+    """博客文章响应模式"""
+    pass
+