班级模块

2026-09-22 16:35:15 +08:00
parent a45d4046be
commit 3f3016d9ec
11 changed files with 417 additions and 1 deletions
@@ -0,0 +1,122 @@
+from database import Base
+from datetime import datetime,date
+from sqlalchemy import *
+from sqlalchemy import Column, Integer, String, Date, JSON
+from sqlalchemy import Column, String, Date, Enum, DateTime, func
+from sqlalchemy.orm import declarative_base
+import enum
+
+class Class_info(Base):  # python里的表名字
+    __tablename__ = 'class_info'  # 实际数据库的表名字
+    class_id = Column(String(20)
+                      , primary_key=True
+                      , autoincrement=False
+                      , comment='班级编号，字符串类型手动维护')
+
+    class_code = Column(String(20)  # 对应数据库的varchar类型
+                   , nullable=False
+                    ,comment='班级业务编码，格式示例：2026-CS-01'# 不允许为null
+                   )
+    class_name = Column(String(50)
+                    , nullable=False
+                    ,comment='所在班级显示名称，如“2026级计算机科学与技术1班”，直接用于前端展示'
+                        )
+    grade_year = Column(Date
+                         ,default=date.today
+                          ,comment='入学年级，如2026，用数值存储比字符串更便于按年级筛选、排序'
+                         )
+
+    # teacher_id = Column(Integer
+    #                      , nullable=False
+    #                       ,comment='班主任外键，关联教师表，一个班级对应一名班主任'
+    #                      )
+    #
+    # student_id = Column(Integer
+    #                      , nullable=False
+    #                       ,comment='学号  用来连接学生表'
+    #                      )
+
+    enrollment_date = Column(Date
+                         ,default=date.today
+                          ,comment='班级正式入学日期'
+                         )
+
+    status = Column(Integer
+                         , nullable=False
+                          ,comment='班级正式入学日期'
+                         )
+
+
+    tags = Column(JSON
+                         , nullable=False
+                          ,comment='存储多维标签，例如：["重点班", "科技特长", "2026届"]'
+                         )
+
+    is_deleted = Column(Boolean, default=0, comment="0=数据存在 1=数据逻辑删除")
+
+
+    create_time = Column(DATETIME
+                         , default=datetime.now  # 默认值是当前时间
+                         )
+    update_time = Column(DATETIME
+                         , default=datetime.now  # 首次创建的时间跟更新时间一致
+                         , onupdate=datetime.now
+                         )
+
+class StudentClassIntermediate(Base):
+    __tablename__ = "student_class_intermediate_table"
+    id = Column(String(20), primary_key=True)
+    class_id= Column(String(20))
+    student_id =Column(String(20))
+    is_deleted= Column(Integer)
+    create_time= Column(DateTime)
+    update_time= Column(DateTime)
+
+
+
+
+class GenderEnum(str, enum.Enum):
+    FEMALE = '0'
+    MALE = '1'
+
+class StudentStatusEnum(str, enum.Enum):
+    NORMAL = '0'      # 正常
+    SUSPENDED = '1'   # 休学
+    DROPPED = '2'     # 退学
+    GRADUATED = '3'   # 毕业
+    OTHER = '4'       # 其他
+
+class EducationLevelEnum(str, enum.Enum):
+    COLLEGE = '1'     # 大专
+    UNDERGRADUATE = '2' # 本科
+    MASTER = '3'      # 硕士
+    DOCTOR = '4'      # 博士
+
+class IsDeletedEnum(str, enum.Enum):
+    ACTIVE = '0'      # 未删除
+    DELETED = '1'     # 已删除
+
+# 3. 定义学生模型类
+class Student_info(Base):
+    __tablename__ = "student_info"
+    student_id = Column(String(20),primary_key=True, comment='学号')
+    student_name = Column(String(50), nullable=False, comment='学生姓名')
+    gender = Column(Enum(GenderEnum), nullable=False, comment='性别: 0=女, 1=男')
+    id_card = Column(String(18), nullable=False, comment='身份证号码，收紧至18位')
+    birthday = Column(Date, nullable=True, comment='出生日期')
+    ethnicity = Column(String(20), nullable=True, comment='民族')
+    region_id = Column(String(12), nullable=True, comment='籍贯地区编码，外键关联地区维度表(region_dimension)')
+    phone = Column(String(11), nullable=True, comment='手机号码，收紧至11位')
+    graduation_school = Column(String(20), nullable=True, comment='毕业学校')
+    major = Column(String(20), nullable=False, comment='就读专业')
+    class_id = Column(String(20), nullable=False, index=True, comment='所在班级，外键关联班级表(class_info)')
+    enrollment_date = Column(Date, nullable=True, comment='入学日期')
+    graduation_date = Column(Date, nullable=True, comment='毕业日期')
+    student_status = Column(Enum(StudentStatusEnum), nullable=False, default=StudentStatusEnum.NORMAL,
+                            comment='学籍状态')
+    education_level = Column(Enum(EducationLevelEnum), nullable=False,
+                             comment='学历层次：1=大专, 2=本科, 3=硕士研究生, 4=博士研究生')
+    is_deleted = Column(Enum(IsDeletedEnum), nullable=False, default=IsDeletedEnum.ACTIVE,
+                        comment='逻辑删除：0=未删除, 1=已删除')
+    create_time = Column(DateTime, nullable=False, server_default=func.now(), comment='创建时间')
+    update_time = Column(DateTime, nullable=False, server_default=func.now(), onupdate=func.now(), comment='更新时间')