第一版_完整

model/teacher_model.py

@@ -1,17 +1,26 @@
 #教师建表语句
 from sqlalchemy import Column, String, Integer
+from sqlalchemy.orm import relationship
 
 from database import Base
 
 
 class Teacher(Base):
-    __tablename__ = "ted_info"  # 表名
+    __tablename__ = "tea_info"  # 表名
 
     # 字段定义
-    id = Column(Integer, primary_key=True, index=True)           # 主键，索引
+    id = Column(String(15), primary_key=True, index=True)           # 主键，索引
     name = Column(String(20),nullable=False)                     # 用户名，非空
     phone = Column(String(20),unique=True,nullable=False)        # 电话，唯一，非空
     type = Column(String(20), nullable=False)                    # 教师职位,非空
-    is_deleted = Column(Integer, default=0)                      # 逻辑删除(软删除),0是未删除,1是删除,默认为0
+    is_deleted = Column(Integer, nullable=False, default=0)      # 逻辑删除(软删除),0是未删除,1是删除,默认为0
 
 
+    head_classes = relationship("ClsMgmt",
+                                foreign_keys="ClsMgmt.head_tea_id",
+                                back_populates="head_teacher")
+
+    lecturer_classes = relationship("ClsMgmt",
+                                    foreign_keys="ClsMgmt.lecturer_id",
+                                    back_populates="lecturer")
+