from sqlalchemy import create_engine
from sqlalchemy.orm import sessionmaker, declarative_base

# 修改为你自己的数据库信息
SQLALCHEMY_DATABASE_URL = "postgresql://postgres:123456@localhost:5433/hotel_management_system"

engine = create_engine(SQLALCHEMY_DATABASE_URL)
SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
Base = declarative_base()