如何修复：无法将关键字“用户”解析为字段
我是 Django 的初学者，我正在尝试在我的 Django 规划器中实现登录系统。
错误：
/login_user/ 处的 FieldError 无法将关键字“用户”解析为字段。选项有：描述、结束时间、id、开始时间、标题
我已经尝试将用户字段添加到我在 model.py 上的事件模型中并迁移它，但它只会使整个应用程序崩溃。
视图.py
def event(request, event_id=None):
instance = Event()
if event_id:
instance = get_object_or_404(Event, pk=event_id)
else:
instance = Event()
form = EventForm(request.POST or None, instance=instance)
if request.POST and form.is_valid():
form.save()
return HttpResponseRedirect(reverse('cal:calendar'))
return render(request, 'cal/event.html', {'form': form})
def login_user(request):
if request.method == "POST":
username = request.POST['username']
password = request.POST['password']
user = authenticate(username=username, password=password)
if user is not None:
if user.is_active:
events = Event.objects.filter(user=request.user)
login(request, user)
return render(request, 'cal/calendar.html', {'calendar': calendar})
else:
return render(request, 'cal/login.html', {'error_message': 'Your account has been disabled'})
else:
return render(request, 'cal/login.html', {'error_message': 'Invalid login'})
return render(request, 'cal/login.html')
表格.py
class UserForm(forms.ModelForm):
password = forms.CharField(widget=forms.PasswordInput)
class Meta:
model = User
fields = ['username', 'email', 'password',]
模型.py
from django.contrib.auth.models import Permission, User
from django.db import models
class Event(models.Model):
#user = models.ForeignKey(User, default=1)
title = models.CharField(max_length=200)
description = models.TextField()
start_time = models.DateTimeField()
end_time = models.DateTimeField()
@property
def get_html_url(self):
url = reverse('cal:event_edit', args=(self.id,))
return f'<a href="{url}"> {self.title} </a>'
汪汪一只猫2回答
-
长风秋雁
在您的视图中，您正在使用关键字 user 过滤 Event 对象，但您的事件模型没有名为 user 的字段。如果您希望您的事件与用户相关联，您可以将外键添加到您的事件模型中：class Event(models.Model): user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.PROTECT) title = models.CharField(max_length=200) description = models.TextField() start_time = models.DateTimeField() end_time = models.DateTimeField() @property def get_html_url(self): url = reverse('cal:event_edit', args=(self.id,)) return f'<a href="{url}"> {self.title} </a>'或者，在您看来，您可以简单地通过另一个关键字过滤您的 Event 对象，这些关键字是您的错误为您提供的选择，以及您在模型中指定的字段。所以在你看来你可以这样做：def login_user(request): if request.method == "POST": username = request.POST['username'] password = request.POST['password'] user = authenticate(username=username, password=password) if user is not None: if user.is_active: events = Event.objects.filter(title='Title you want to filter by') # This line seems to be the source of your error. You just need to filter by a keyword that exists in your model. login(request, user) return render(request, 'cal/calendar.html', {'calendar': calendar}) else: return render(request, 'cal/login.html', {'error_message': 'Your account has been disabled'}) else: return render(request, 'cal/login.html', {'error_message': 'Invalid login'}) return render(request, 'cal/login.html') -
不负相思意
在您的 models.py 中，您错过了为您的用户表添加关系。添加用户并执行python manage.py makemigrations myapppython manage.py 迁移 myappfrom django.contrib.auth import get_user_modelclass Event(models.Model): user = models.ForeignKey(get_user_model(), null=True) title = models.CharField(max_length=200) description = models.TextField() start_time = models.DateTimeField() end_time = models.DateTimeField() @property def get_html_url(self): url = reverse('cal:event_edit', args=(self.id,)) return f'<a href="{url}"> {self.title} </a>'
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Python