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89 lines
2.9 KiB
89 lines
2.9 KiB
4 years ago
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from django.db import models
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# Create your models here.
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SEX=(
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('男','男'),
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('女','女'),
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)
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class Student(models.Model):
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id=models.CharField('学号',max_length=20,primary_key=True)
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name=models.CharField('姓名',max_length=20)
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sex=models.CharField('性别',max_length=4,choices=SEX,default='男')
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dept=models.CharField('学院',max_length=20,default=None)
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major=models.CharField('专业',max_length=20,default=None)
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password=models.CharField('密码',max_length=20,default='111')
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class Meta:
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db_table='student'
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verbose_name='学生'
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verbose_name_plural=verbose_name
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def __str__(self):
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return self.id;
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class Teacher(models.Model):
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id=models.CharField("教工号",max_length=20,primary_key=True)
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name=models.CharField('姓名',max_length=20)
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sex=models.CharField('性别',max_length=4,choices=SEX,default='男')
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dept=models.CharField('学院',max_length=20,default=None)
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password=models.CharField('密码',max_length=20,default='000000')
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class Meta:
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db_table='teacher'
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verbose_name='教师'
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verbose_name_plural=verbose_name
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def __str__(self):
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return self.name;
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class Question(models.Model):
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ANSWER=(
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('A','A'),
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('B','B'),
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('C','C'),
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('D','D'),
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)
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LEVEL={
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('1','easy'),
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('2','general'),
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('3','difficult'),
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}
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id = models.AutoField(primary_key=True)
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subject = models.CharField('科目', max_length=20)
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title = models.TextField('题目')
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optionA=models.CharField('A选项',max_length=30)
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optionB=models.CharField('B选项',max_length=30)
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optionC=models.CharField('C选项',max_length=30)
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optionD=models.CharField('D选项',max_length=30)
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answer=models.CharField('答案',max_length=10,choices=ANSWER)
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level=models.CharField('等级',max_length=10,choices=LEVEL)
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score=models.IntegerField('分数',default=1)
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class Meta:
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db_table='question'
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verbose_name='单项选择题库'
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verbose_name_plural=verbose_name
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def __str__(self):
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return '<%s:%s>'%(self.subject,self.title);
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class Paper(models.Model):
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pid=models.ManyToManyField(Question)
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tid=models.ForeignKey(Teacher,on_delete=models.CASCADE)
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subject=models.CharField('科目',max_length=20,default='')
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major=models.CharField('专业',max_length=20)
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examtime=models.TimeField()
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class Meta:
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db_table='paper'
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verbose_name='试卷'
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verbose_name_plural=verbose_name
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def __str__(self):
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return self.major;
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class Grade(models.Model):
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sid=models.ForeignKey(Student,on_delete=models.CASCADE,default='')#添加外键
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subject=models.CharField('科目',max_length=20,default='')
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grade=models.IntegerField()
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def __str__(self):
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return '<%s:%s>'%(self.sid,self.grade);
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class Meta:
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db_table='grade'
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verbose_name='成绩'
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verbose_name_plural=verbose_name
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