初始版本

backend/app/models/user.py

@@ -0,0 +1,18 @@
+"""
+用户模型
+"""
+from datetime import datetime
+from typing import Optional
+from sqlmodel import SQLModel, Field
+
+
+class User(SQLModel, table=True):
+    """用户表"""
+    __tablename__ = "users"
+    
+    id: Optional[int] = Field(default=None, primary_key=True)
+    username: str = Field(max_length=50, unique=True, index=True)
+    email: Optional[str] = Field(default=None, max_length=100, unique=True, index=True)
+    hashed_password: str
+    created_at: datetime = Field(default_factory=datetime.now)
+