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from django.db import models
from teacher.models import Teacher
from Student.models import Student
# Create your models here.
class Course(models.Model):
cid = models.AutoField(primary_key=True, verbose_name="课程编号", name="cid")
c_name = models.CharField(max_length=255, verbose_name="课程名称", name="c_name", blank=True)
type = models.CharField(max_length=128, verbose_name="课程类型", name="c_type", blank=True)
credit = models.IntegerField(verbose_name="课程学分", name="credit")
tid = models.ForeignKey(Teacher, to_field="tid", on_delete=models.CASCADE, name="tid")
class Meta:
db_table = "course"
verbose_name = "课程"
verbose_name_plural = verbose_name
class SC(models.Model):
sid = models.ForeignKey(Student, to_field="sid", on_delete=models.CASCADE, name="sid")
cid = models.ForeignKey(Course, to_field="cid", on_delete=models.CASCADE, name="cid")
middle_grade = models.IntegerField(name="middle_grade")
end_grade = models.IntegerField(name="end_grade")
class Meta:
db_table = "sc"
verbose_name = "管理员"
verbose_name_plural = verbose_name
unique_together = ("sid", "cid")