class Profile(models.Model):
 user = models.OneToOneField(User, on_delete=models.CASCADE, verbose_name='昵称')
 nickname = models.CharField(max_length=20)
 
 def __str__(self):
  return '<Profile: %s for %s>' % (self.nickname, self.user.username)

from django.contrib import admin
from django.contrib.auth.models import User
from .models import Profile
 
 
class ProfileInline(admin.StackedInline): #将Profile加入到Admin的user表中,内联
 model = Profile
 can_delete = False
 
class UserAdmin(admin.ModelAdmin):
 inlines = [ProfileInline]
 list_display = ('username', 'nickname', 'email', 'is_staff', 'is_active', 'is_superuser')
 
 def nickname(self, obj):
  return obj.profile.nickname #自定义字段显示信息
 
 nickname.short_description = '昵称'
 
# Re-register UserAdmin
admin.site.unregister(User) #去掉在admin中的注册
admin.site.register(User, UserAdmin) #用UserAdmin注册user