免费研究生管理系统的实现与探讨
from django.db import models
class Student(models.Model):
student_id = models.CharField(max_length=10)
name = models.CharField(max_length=50)
class Course(models.Model):
course_name = models.CharField(max_length=100)
credits = models.IntegerField()
class Grade(models.Model):
student = models.ForeignKey(Student, on_delete=models.CASCADE)
course = models.ForeignKey(Course, on_delete=models.CASCADE)
score = models.FloatField()
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