24 lines
586 B
Python
24 lines
586 B
Python
from sqlalchemy import create_engine, MetaData
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from sqlalchemy.ext.declarative import declarative_base
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from sqlalchemy.orm import sessionmaker
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from app.settings import DATABASE_URL
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# 创建SQLAlchemy引擎
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engine = create_engine(DATABASE_URL)
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# 创建元数据对象
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metadata = MetaData()
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# 创建会话工厂
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SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
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# 创建基类
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Base = declarative_base()
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# 依赖项：获取数据库会话
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def get_db():
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db = SessionLocal()
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try:
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yield db
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finally:
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db.close() |