45 lines
1.3 KiB
Python
45 lines
1.3 KiB
Python
from sqlalchemy import *
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from datetime import datetime
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from sqlalchemy.orm import declarative_base,sessionmaker
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db_url = "mysql+pymysql://root:123456@127.0.0.1:3306/ai0824_stu?charset=utf8"
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engine = create_engine(db_url, pool_size=100,echo=False)
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Base = declarative_base()
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class Employment(Base):
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__tablename__ = 's_employment'
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id = Column(Integer
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, primary_key=True
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, autoincrement=True
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, comment='编号,自增主键')
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stu_id = Column(String(20)
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# , ForeingKey('s_student.stu_id')
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, unique=True
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, nullable=True
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, comment='学生学号，唯一')
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class_name = Column(String(32))
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company = Column(String(100))
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salary = Column(Integer
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, default=0)
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open_date = Column(DATETIME
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, default=datetime.now())
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offer_date = Column(DATETIME
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, default=datetime.now())
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work_date = Column(DATETIME
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, default=datetime.now()
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, onupdate=datetime.now)
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is_delete = Column(Integer
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, default=0
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)
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Session = sessionmaker( bind = engine, autoflush = False, 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() |