数据库创建

models/order.py

@@ -0,0 +1,47 @@
+# my_project/models/order.py
+
+from typing import Optional, TYPE_CHECKING
+from sqlmodel import Field, Relationship, Column, func, DateTime
+from .base import BaseModel
+from datetime import datetime
+
+if TYPE_CHECKING:
+    from .user import User
+
+class Order(BaseModel, table=True):
+    __tablename__ = 'orders'
+
+    order_no: str = Field(max_length=255, unique=True, index=True, description="订单号，唯一")
+    type: int = Field(description="订单类型")
+    method: Optional[str] = Field(default=None, max_length=255, description="支付方式")
+    product_id: Optional[int] = Field(default=None, description="商品ID")
+    num: int = Field(default=1, sa_column_kwargs={"server_default": "1"}, description="购买数量")
+    name: str = Field(max_length=255, description="商品名称")
+    price: int = Field(default=0, sa_column_kwargs={"server_default": "0"}, description="订单价格（分）")
+    status: int = Field(default=0, sa_column_kwargs={"server_default": "0"}, description="订单状态: 0=待支付, 1=已完成, 2=已取消")
+    created_at: Optional[datetime] = Field(
+        default=None,
+        sa_column=Column(
+            DateTime,
+            nullable=False,
+            server_default=func.now(),
+            comment="创建时间",
+        ),
+    )
+
+    updated_at: Optional[datetime] = Field(
+        default=None,
+        sa_column=Column(
+            DateTime,
+            nullable=False,
+            server_default=func.now(),
+            onupdate=func.now(),
+            comment="更新时间",
+        ),
+    )
+    
+    # 外键
+    user_id: int = Field(foreign_key="users.id", index=True, description="所属用户ID")
+    
+    # 关系
+    user: "User" = Relationship(back_populates="orders")