Question

我无法添加新用户只是说外键约束失败我不知道为什么。我不知道哪个外键被侵犯了，为什么会被侵犯。这是我的models.py：

from django.db import models

# Create your models here.
from django.contrib.auth.models import AbstractUser


def user_avatar_path(instance, filename):
    return 'user_{0}/avatar/{1}'.format(instance.id, filename)

class board(models.Model):
    name = models.CharField(max_length=20)

    def __str__(self):
        return (self.name)

class User(AbstractUser):
    boards = models.ManyToManyField(
        board, through='board_member', related_name="members")

    def __str__(self):
        return self.username

class list(models.Model):
    title = models.CharField(max_length=20)
    board = models.ForeignKey(
        board, related_name="lists", on_delete=models.CASCADE)

class board_member(models.Model):
    User = models.ForeignKey(
        User, related_name="memberships", on_delete=models.CASCADE)
    board = models.ForeignKey(
        board, related_name="memberships", on_delete=models.CASCADE)
    access = models.CharField(max_length=20)

    def __str__(self):
        return ("%s is %s in board %s" % (self.user, self.access, self.board))


class card(models.Model):
    list = models.ForeignKey(list, related_name="cards",
                             on_delete=models.CASCADE)
    text = models.CharField(max_length=100)
    date = models.DateField(auto_now=True)
    due = models.DateField()
    flag = models.CharField(max_length=20)

有人可以帮我吗？

在django中扩展用户模型后无法添加新用户

0 个答案: