27 lines
777 B
Python
27 lines
777 B
Python
from sqlalchemy import *
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from sqlalchemy.orm import sessionmaker,declarative_base
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# 导入.env参数
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import os
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from dotenv import load_dotenv
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load_dotenv( )
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DB_USER = os.getenv("DB_USER", "root")
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DB_PASSWORD = os.getenv("DB_PASSWORD", "")
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DB_HOST = os.getenv("DB_HOST", "localhost")
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DB_PORT = os.getenv("DB_PORT", "3306")
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DB_NAME = os.getenv("DB_NAME", "student_manage_system")
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db_tea = 'mysql+pymysql://root:123456@127.0.0.1:3306/student_manage_system?charset=utf8mb4'
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engine1 = create_engine(db_tea)
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Base = declarative_base()
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Session = sessionmaker(bind=engine1
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,autoflush = False
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,autocommit = False)
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def get_db():
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db = Session()
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try:
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yield db
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finally:
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db.close()
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Base.metadata.create_all(engine1) |