# sqlmodel 依赖Pydantic,SQLAlchemy 数据库模型扩展 ## Usage 定义一个表: ``` from typing import Optional from sqlmodel import Field, SQLModel class Hero(SQLModel, table=True): id: Optional[int] = Field(default=None, primary_key=True) name: str secret_name: str age: Optional[int] = None ``` 插入表: ``` hero_1 = Hero(name="Deadpond", secret_name="Dive Wilson") ```