33 lines
1.3 KiB
Python
33 lines
1.3 KiB
Python
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import enum
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from sqlalchemy import Column, Enum as SQLEnum, Integer, String
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from sqlalchemy.orm import relationship
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from database import Base
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# 性别枚举：只允许 男 / 女
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class GenderEnum(str, enum.Enum):
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MALE = "男"
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FEMALE = "女"
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# 本文件只定义 advisor 表的结构，映射到 MySQL 数据库。
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# 注意：这里只放「表长什么样」，不建表、不插数据、不创建会话。
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class Advisor(Base):
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# 顾问表 表名 advisor
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__tablename__ = 'advisor'
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# 定义字段
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id = Column(Integer, primary_key=True, autoincrement=True)
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advisor_name = Column(String(20), unique=True, nullable=False)
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flag = Column(Integer, nullable=False)
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# 性别：枚举类型（男/女），可空
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gender = Column(SQLEnum(GenderEnum, values_callable=lambda e: [m.value for m in e]), nullable=True)
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# 电话：11位纯数字（校验在 Schema 层做），非必填
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phone = Column(String(11), nullable=True)
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students = relationship("Student", back_populates="advisor")
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# 关联 Student（一对多：一个顾问对应多个学生）
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# 等 student_model.py 里写好 Student 模型、且两边 back_populates 对上后，再取消注释启用。
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# student = relationship("Student", back_populates="advisor")
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