SQLAlchemy is the Python SQL toolkit and Object Relational Mapper that gives application developers the full power and flexibility of SQL. SQLAlchemy provides a full suite of well known enterprise-level persistence patterns, designed for efficient an
准备数据 from sqlalchemy.ext.declarative import declarative_base from sqlalchemy import Column from sqlalchemy import Integer, String, Text, Date, DateTime, ForeignKey, UniqueConstraint, Index from sqlalchemy import create_engine from sqlalchemy.orm impo
from sqlalchemy import Column, Integer, String, Text, ForeignKey, DateTime, UniqueConstraint, Index from sqlalchemy.orm import relationship Base = declarative_base() ###############单表创建#################### class Users(Base): __tablename__ = 'users' i