我试图将数据保存到标准User类和Student类中。但是我有一个问题。
ID为“ None”的学生不存在。也许它被删除了?我真的不知道如何保存这些数据。
models.py
class Student(models.Model):
studentIndex = models.IntegerField(unique=True)
studentName = models.CharField(max_length=50)
studentSurname = models.CharField(max_length=50, default='')
studentPhoneNumber = models.CharField(max_length=12, default='+48')
studentPesel = models.CharField(max_length=11, default='')
studentStudyMode = models.CharField(max_length=12, default='')
studentFaculty = models.CharField(max_length=30, default='')
studentSemester = models.IntegerField(default='')
studentAddress = models.CharField(max_length=255, default='')
studentMotherName = models.CharField(max_length=100, default='')
studentBirth = models.DateField(help_text='year-month-day')
studentEmail = models.EmailField(max_length=255, default='')
studentImage = models.ImageField(default='default.jpg', upload_to='profile_pics')
studentPassword = models.CharField(max_length=100, default='12345678',
help_text='Do not modify this field. Password will be generated automatically')
studentDateJoined = models.DateTimeField(default=now)
def save(self, *args, **kwargs):
default_password = str(self.studentBirth)[0:4] + str(self.studentBirth)[5:7] + \
str(self.studentBirth)[8:10] +\
self.studentMotherName[0] +\
lower(self.studentName[0])
User.objects.create_user(username=self.studentIndex, email=self.studentEmail, password=default_password,
first_name=self.studentName, last_name=self.studentSurname)
def __str__(self):
return f'{self.studentIndex} - {self.studentName} {self.studentSurname}'
当我尝试这个时
...
def save(self, *args, **kwargs):
default_password = str(self.studentBirth)[0:4] + str(self.studentBirth)[5:7] + \
str(self.studentBirth)[8:10] +\
self.studentMotherName[0] +\
lower(self.studentName[0])
Student.objects.create() # <- this one
User.objects.create_user(username=self.studentIndex, email=self.studentEmail, password=default_password,
first_name=self.studentName, last_name=self.studentSurname)
我有字符串索引超出范围错误(IndexError)或比较中超出了最大递归深度(RecursionError)
我是Django的新手,如果您能帮助我,我将不胜感激非常感谢
我做到了。我需要做的所有事情。我修改了一点代码。
def save(self, *args, **kwargs):
try:
default_password = str(self.studentBirth)[0:4] + str(self.studentBirth)[5:7] + \
str(self.studentBirth)[8:10] +\
self.studentMotherName[0] +\
lower(self.studentName[0])
Student.objects.create()
User.objects.create_user(username=self.studentIndex, email=self.studentEmail, password=default_password,
first_name=self.studentName, last_name=self.studentSurname)
super(Student, self).save() # <- this is my solve
except IndexError:
print('IndexError')
except RecursionError:
print('RecursionError')