第一次提交

model/__init__.py

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+from .classes_model import Classes
+from .student_info import Student
+from .scores import Scores
+from .employments import Employments
+
+__all__ = ["Classes", "Student", "Scores", "Employments"]

model/classes_model.py

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+from sqlalchemy import Column, Integer, String, Boolean, Date, Table, ForeignKey
+from sqlalchemy.orm import relationship
+from database import Base
+
+
+
+teacher_classes = Table(
+    'teacher_classes',
+    Base.metadata,
+    Column('teacher_id', ForeignKey('teacher.t_id'), primary_key=True),
+    Column('class_id', ForeignKey('classes.class_id'), primary_key=True)
+)
+
+class Classes(Base):
+    __tablename__ = 'classes'
+    class_id = Column(Integer, primary_key=True,autoincrement=True)
+    head_teacher_id = Column(Integer, ForeignKey('teacher.t_id'), nullable=False)
+    create_time = Column(Date,nullable=False)
+    class_name = Column(String(50), nullable=False, unique=True)
+    class_delete = Column(Boolean, default=False)
+    counselor_id = Column(Integer, ForeignKey('counselor.id'))
+
+    students = relationship('Student', back_populates='classes')
+    teachers = relationship("Teacher", secondary=teacher_classes, back_populates="classes")
+    counselor = relationship("Counselor", back_populates="classes")

model/counselor.py

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+#创建顾问表
+from sqlalchemy import Column, Integer, String, Boolean, Date
+from sqlalchemy.orm import relationship
+
+from database import Base
+
+
+
+class Counselor(Base):
+    __tablename__ = 'counselor'
+    id = Column(Integer, primary_key=True,autoincrement=True)
+    name = Column(String(100),nullable=False,unique=True)
+    c_time = Column(Date,nullable=False)     #创建时间
+    c_de = Column(Boolean,default=False)        #逻辑判断
+
+    #关联班级表，一对多
+    classes=relationship("Classes",back_populates="counselor")
+
+    def __repr__(self):
+        return f"<Counselor(id={self.id}, name={self.name})>"
+
+
+

model/employments.py

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+from sqlalchemy import create_engine, Column, Float, String, DateTime, Boolean, ForeignKey
+from sqlalchemy.orm import relationship
+
+from database import Base
+# db_url='mysql+pymysql://root:123456@localhost:3306/student_manager'
+# engine=create_engine(db_url,pool_size=5)
+#学生就业表
+class Employments(Base):
+    __tablename__='employments'
+    id = Column(String(20), ForeignKey('students.id'), primary_key=True)      #学生id
+    offer_open=Column(DateTime,nullable=True,comment='就业开放时间')                  #就业开放时间
+    offer_review=Column(DateTime,nullable=True,comment='offer时间')                 #offer下发时间
+    emp=Column(String(20),nullable=True,comment='就业公司名称')                       #就业公司名称
+    sal = Column(Float, nullable=True, comment="就业薪资")                           #就业薪资
+    is_deleted = Column(Boolean, default=False, comment="判断状态")                   #判断状态
+    student = relationship("Student", back_populates="employment")
+
+# Base.metadata.drop_all(engine)
+# Base.metadata.create_all(engine)
+# SessionLocal=sessionmaker(bind=engine)
+# # db=SessionLocal()
+# Base.metadata.create_all(engine)
+# db.close()
+
+

model/scores.py

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+# from sqlalchemy import Column, Integer,  Boolean, ForeignKey,String
+# from sqlalchemy.orm import relationship
+# from database import Base
+# class Scores(Base): # 学生考核成绩管理表模型
+#     __tablename__ = "scores"
+#     scores_id = Column(Integer, primary_key=True, autoincrement=True) # 成绩自增长序号 是本表主键（1，2，3，4，5，6）
+#     id = Column(String(30), ForeignKey('student.id')) #学生ID 是Student表的外键（1，1，1，2，2，2）
+#     exam_round = Column(Integer, nullable=False) #考核序次 不唯一（1，2，3，1，2，3）
+#     score = Column(Integer) #成绩 不唯一 可None
+#     is_warning= Column(Boolean, default=False) #成绩红线预警 默认没预警 （高于60写入"True"，低于60写入"False"）
+#     is_deleted = Column(Boolean, default=False) #逻辑删除标记  默认没删除 （删除写入"True"，不删除写入"False"）
+#
+#     student = relationship("Student", back_populates="scores") # 外键 多对一 关联Student
+#     def __repr__(self): # 魔法方法打印展示学生ID、对应序次的成绩
+#         return f"<Scores(学生ID：{self.id}, 考核序次：{self.exam_round}, 成绩：{self.score})>"
+
+from sqlalchemy import Column, Integer, Boolean, ForeignKey, String
+from sqlalchemy.orm import relationship
+from database import Base
+
+
+class Scores(Base):
+    __tablename__ = "scores"
+
+    scores_id = Column(Integer, primary_key=True, autoincrement=True)
+    id = Column(String(20), ForeignKey('students.id'))   # ← 关键修复
+    exam_round = Column(Integer, nullable=False)
+    score = Column(Integer)
+    is_warning = Column(Boolean, default=False)
+    is_deleted = Column(Boolean, default=False)
+
+    student = relationship("Student", back_populates="scores")
+
+    def __repr__(self):
+        return f"<Scores(学生ID：{self.id}, 考核序次：{self.exam_round}, 成绩：{self.score})>"
+
+

model/student_info.py

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+from sqlalchemy import Column, String, Integer, Date, Boolean, ForeignKey
+from sqlalchemy.orm import relationship
+from database import Base
+
+
+class Student(Base):
+    __tablename__ = "students"
+    id = Column(String(20), primary_key=True, comment="学号")# 主键：学号
+
+    name = Column(String(50), nullable=False, comment="学生姓名")
+    gender = Column(String(10), nullable=False, comment="性别：男 / 女")
+    age = Column(Integer, comment="年龄")
+    hometown = Column(String(100), comment="籍贯")
+    graduate_school = Column(String(100), comment="毕业学校")
+    major = Column(String(50), comment="专业")
+    education = Column(String(30), comment="专科/本科/硕士")
+    enrollment_date = Column(Date, comment="入学时间")
+    graduation_date = Column(Date, comment="毕业时间")
+    status = Column(String(20), default="在读", comment="状态：没有毕业/未就业/已就业")
+    is_deleted = Column(Boolean, default=False, comment="逻辑删除标记")
+    # 外键 班级编号
+    class_name = Column(String(20), ForeignKey("classes.class_name"), comment="所属班级编号")
+
+    # 关系映射   学生和就业 一对一，一个学生对应一条就业信息    学生和成绩一对多，一个学生对应多条成绩
+    scores = relationship("Scores", back_populates="student")     # 一个学生多次考核成绩
+    employment = relationship("Employments", back_populates="student", uselist=False)  # 一对一就业信息
+    classes = relationship("Classes", back_populates="students")
+
+    def __repr__(self):
+        return f"<Student(no={self.id}, name={self.name}, class={self.class_name})>"
+
+
+
+

model/teachers.py

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+from sqlalchemy import Column, Integer, String, Boolean, Date
+from sqlalchemy.orm import relationship
+
+from database import Base
+
+
+class Teacher(Base):
+    __tablename__ = 'teacher'
+    t_id = Column(Integer, primary_key=True, autoincrement=True) #老师id
+    t_name = Column(String(50), nullable=False) #老师姓名
+    t_gender = Column(String(50), nullable=False) #性别
+    t_phone = Column(String(50), nullable=False)  #手机号
+    t_subject = Column(String(50), nullable=False) #教授科目
+    t_created=Column(Date,nullable=False) #入职时间
+    t_delete = Column(Boolean, default=False)  #逻辑判断
+
+
+    #关联表
+    classes=relationship('Classes',secondary='teacher_classes',back_populates='teachers')
+
+    def __repr__(self):
+        return f"<Teacher(t_id={self.t_id}, name='{self.t_name}', subject='{self.t_subject}')>"