Question

我遇到的大多数与unique_together有关的问题都与覆盖信息有关。

我正在上传excel文件并将数据导入数据库。我想在导入的数据重复时向用户显示错误消息。

即使它在控制台上显示，我也无法找到在模板上显示该消息的方法。

models.py

class UserData(models.Model):
    GENDER_CHOICES = (
        ('Male', 'Male'),
        ('Female', 'Female'),
)

first_name = models.CharField(max_length=50)
last_name = models.CharField(max_length=50)
age = models.IntegerField()
gender = models.CharField(default='Male', choices=GENDER_CHOICES, max_length=6)
address = models.CharField(max_length=200)

class Meta:
    verbose_name_plural = 'User Data'
    unique_together = (('first_name', 'last_name', 'age', 'gender', 'address',),)

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

def fullname(self):
    return self.first_name + self.last_name

视图

def save_to_db(request):
        if request.method == "POST":
             form = Importer(request.POST, request.FILES)
             if form.is_valid():
                 file = request.FILES['file']
                 import_data.delay(file)
                 file_name = request.FILES['file'].name
                 new_log = Log(action='file_upload', message=file_name)
                 new_log.save()
             return HttpResponseRedirect(reverse('app:list'))
         else:
            return HttpResponseBadRequest()
    else:
        form = Importer()
    return render_to_response('Exstore/upload_form.html', {'form': form}, context_instance=RequestContext(request))

PS：自定义错误消息不是问题，因为有this

等答案

如何向用户显示unique_together错误消息

0 个答案: