18 lines
441 B
Python
18 lines
441 B
Python
from sqlalchemy import create_engine
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from sqlalchemy.ext.declarative import declarative_base
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from sqlalchemy.orm import sessionmaker
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# 数据库引擎
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engine = create_engine("mysql+pymysql://root:123456@localhost/fastapi0914")
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# 会话工厂
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SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
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Base=declarative_base()
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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() |