29 lines
1.3 KiB
Python
29 lines
1.3 KiB
Python
# model/stu_score_model.py
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# 学生成绩表模型
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from sqlalchemy import Column, Integer, String, Boolean, ForeignKey
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from sqlalchemy.dialects.mysql import DECIMAL
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from sqlalchemy.orm import relationship
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from database import Base
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class StuScore(Base):
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"""
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学生成绩表模型
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对应 MySQL 中的 stu_score 表
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"""
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__tablename__ = "stu_score" # 表名
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# 字段定义
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id = Column(Integer, primary_key=True, nullable=False, autoincrement=True) # 自增主键
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stu_id = Column(String(15), ForeignKey("stu_info.id"), nullable=False) # 学生id，非空
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exam_attempt = Column(Integer, nullable=False, default=1) # 考试轮次，非空
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exam_score = Column(DECIMAL(5, 2), nullable=False) # 成绩，非空
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score_level = Column(String(10), nullable=False, default="普通") # 成绩评级
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is_deleted = Column(Boolean, default=False, nullable=False) # 软删除: False-正常 True-已删除
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student = relationship("StuInfo", back_populates="score")
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def __repr__(self):
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return (f"<StuScore(stu_id={self.stu_id}, exam_attempt='{self.exam_attempt}'"
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f"exam_score={self.exam_score}, score_level='{self.score_level}'"
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f"is_deleted={self.is_deleted})>") |