42 lines
1.9 KiB
Python
42 lines
1.9 KiB
Python
# model/users.py
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# 本文件定义 User 表的结构，映射到 MySQL 数据库
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from sqlalchemy import Column, Integer, String, Float, ForeignKey,DateTime,Date
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from sqlalchemy.orm import declarative_base,relationship
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from sqlalchemy.sql import func
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from database import Base
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# model 类，对应 student表
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class Student(Base):
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__tablename__ = "student" #指定表名
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stu_id = Column(Integer, primary_key = True) #主键，学生编号
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stu_name = Column(String(10),nullable = False) #学生名字，非空约束
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native_place = Column(String(30),nullable = False) #籍贯，非空
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graduate_school = Column(String(50),nullable = False) #毕业院校
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major = Column(String(20),nullable = False) #专业
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enroll_time = Column(Date, comment = "入学时间",nullable = False)
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graduate_time = Column(Date, comment = "毕业时间",nullable = False)
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education = Column(String(10),nullable = False) #学历，非空
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age = Column(Integer,nullable = False) #年龄
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gender = Column(String(10),nullable = False) #性别
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# employment_open_time = Column(Date,nullable = False) #简历开放时间
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# company_name = Column(String(100),nullable = False) #公司名称
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# salary = Column(Float,nullable = False) #薪资
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# # 逻辑删除标记
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is_deleted = Column(Integer, nullable=False,default=0, comment="0正常；1逻辑删除")
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# 外键：关联 C_lass 的 id
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class_id = Column(Integer, ForeignKey("c_lass.class_id"), nullable=False)
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# 关系属性：关联 Classinfo
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my_class = relationship("Classinfo", back_populates="students")
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# 外键：关联Advisor的id
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advisor_id = Column(Integer,ForeignKey("advisor.advisor_id"),nullable=False)
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# 关系属性：关联Advisor
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advisor = relationship("Advisor", back_populates="students")
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# 关系属性：关联成绩（Score.student 的对端）
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score = relationship("Score", back_populates="student")
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