aaa

student_system_final/model/teacher.py

@@ -0,0 +1,17 @@
+from sqlalchemy import Column, Integer, String, DateTime, Float, Date, Table, ForeignKey
+from sqlalchemy.orm import relationship
+from database import Base
+
+class_teacher=Table("class_teacher",Base.metadata,
+                    Column("cid",Integer,ForeignKey("student_class.cid"),primary_key=True),
+                    Column("teacher_id",Integer,ForeignKey("teacher.teacher_id"),primary_key=True))
+
+class Teacher(Base):
+    __tablename__="teacher"
+    teacher_id=Column(Integer,primary_key=True,autoincrement=True,comment="老师id")
+    teacher_name=Column(String(50),nullable=False)
+    gender=Column(String(5),comment="性别")
+    phone=Column(String(20),comment="联系电话")
+    is_headteacher=Column(Integer,default=0,comment="数据状态 1-班主任 0-教师")
+    flag=Column(Integer,default=1,comment="数据状态 1-正常 0-删除")
+    classes=relationship("Class",secondary=class_teacher,back_populates="teachers")