fromsqlmodelimportcreate_enginedb_file_name="test.db"db_url=f"sqlite:///{db_file_name}"engine=create_engine(db_url) 行1: 导入了create_engine方法,后续使用它创建一个engine对象,可以把这个对象看作一个隧道,我们通过这个隧道建立数据库与python
# 步骤1,创建sqlmodel引擎 from sqlmodel import create_engine # driver://用户名:密码@ip/数据库 engine = create_engine("mysql+mysqldb://root:123456@localhost/api") # 步骤2,定义数据库表映射模型 from typing import Optional from sqlmodel import Field, SQLModel class Users(SQLModel, table=True)...
import time from sqlmodel import SQLModel, create_engine from sqlmodel import Field, BigInteger, Integer, String, Boolean # 直接创建 class User(SQLModel, table=True): __tablename__ = "user" id: int | None = Field(sa_type=BigInteger, default=None, primary_key=True) name: str = Field...
fromsqlmodelimportSQLModel, create_engine# 内存db_url ="sqlite+pysqlite:///:memory:"# sqlitedb_url ="sqlite+pysqlite:///db_demo.sqlite"# mysqldb_url ="mysql+pymysql://username:password@127.0.0.1:3306/db_name"# postgresqldb_url ="postgresql://username:password@127.0.0.1:5432/db_name"# ...
engine = create_engine("mysql+mysqldb://root:123456@localhost/api") # 步骤2,定义数据库表映射模型 from typing import Optional from sqlmodel import Field, SQLModel class Users(SQLModel, table=True): id: Optional[int] = Field(default=None, primary_key=True) ...
import time from sqlmodel import SQLModel, create_engine from sqlmodel import Field, BigInteger, Integer, String, Boolean # 直接创建 class User(SQLModel, table=True): __tablename__ = "user" id: int | None = Field(sa_type=BigInteger, default=None, primary_key=True) name: str = Field...
fromsqlmodelimportSQLModel,Session,create_engine,Field# SQLModel 是用于定义模型的基础类# Session 用于数据库会话# create_engine 用于创建数据库引擎# Field 用于定义字段 1. 2. 3. 4. 5. 2. 初始化数据库连接 接下来,我们需要创建一个数据库引擎,并初始化数据库连接: ...
fromsqlmodelimportField,Session,SQLModel,create_engineclassHero(SQLModel,table=True):id:int|None=Field(default=None,primary_key=True)name:strsecret_name:strage:int|None=Nonehero_1=Hero(name="Deadpond",secret_name="Dive Wilson")hero_2=Hero(name="Spider-Boy",secret_name="Pedro Parqueador")he...
engine = create_engine(SQLALCHEMY_DATABASE_URI, echo=True) def create_db_and_tables(): #创建表 SQLModel.metadata.create_all(engine) # Code above omitted ?? def create_heroes(): with Session(engine) as session: team_preventers = Team(name="Preventers", headquarters="Sharp Tower") ...
engine = create_engine(db_url, echo=True, connect_args=connect_args) @app.on_event("startup") def on_startup(): # 创建表 SQLModel.metadata.create_all(engine) 新增用户 @app.post("/user") async def add_user(user: User): """新增用户的接口""" ...