[英]How to assign model form field to a current logged in user in Django's class based views
我正在尝试使用当前登录用户的用户名保存表单,但出现错误“无法分配“'Neshno_Games2'”:“League.host”必须是“经理”实例。” 发生
视图.py
class CreateLeaguesView(generic.CreateView):
model = League
template_name = "leagues/create-league.html"
form_class = LeaguesCreationForm
success_url = "/leagues/leagues"
def get_context_data(self, **kwargs):
context = super().get_context_data( **kwargs)
context['leagues'] = League.objects.all()
return context
def form_valid(self, form):
manager = self.request.user.username
League.objects.create(
host = manager,
)
return super(CreateLeaguesView, self).form_valid(form)
模型.py
class League(models.Model):
name = models.CharField(max_length=30)
no_players = models.IntegerField(default=20)
start_date = models.DateField(blank=False, null=False)
end_date = models.DateField(blank=False, null=False)
prize = models.CharField(max_length=300)
host = models.ForeignKey(Manager, on_delete=models.CASCADE)
def __str__(self):
return self.name
表格.py
class LeaguesCreationForm(forms.ModelForm):
class Meta:
model = League
fields = (
"name",
"no_players",
"start_date",
"end_date",
"prize",
)
你可以这样尝试:
class CreateLeaguesView(generic.CreateView):
model = League
def form_valid(self, form):
form.instance.host= self.request.user.manager # accessing one to one data
return super().form_valid(form)
可以在本文档中找到更多信息: https ://docs.djangoproject.com/en/4.0/topics/db/examples/one_to_one/
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