46 lines
1.4 KiB
Python
46 lines
1.4 KiB
Python
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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?charset=utf8'
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engine=create_engine(db_url , pool_size=50,echo=True)
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Base=declarative_base()
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class Scores(Base):
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__tablename__ = 's_scores'
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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='成绩编号'
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)
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stu_id=Column(Integer
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,comment='学生编号'
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, nullable=False
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)
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exam_seq=Column(Integer
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, nullable=True
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,comment='考试序次'
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)
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score=Column(Float
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,comment='分数'
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)
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create_date=Column(DATETIME
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, default=datetime.now
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,comment='创建时间'
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)
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update_date=Column(DATETIME
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, default=datetime.now
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,onupdate=datetime.now
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,comment='更新时间'
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)
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deleted=Column(Integer
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,default=1
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, comment='软删除'
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)
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Base.metadata.create_all(engine)
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Session = sessionmaker( bind=engine
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,autoflush=False
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,autocommit = False
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)
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