我正试图为我的django博客制作一个类似按钮,但我遇到错误时遇到错误,例如错误是get()返回了多个帖子-返回了2!这是我的代码
class PostLikeRedirect(RedirectView):
def get_redirect_url(self, *args, **kwargs):
obj = get_object_or_404(Post)
url_ = obj.get_absolute_url()
user = self.request.user
if user.is_authenticated():
obj.likes.add(user)
return url_
class Post(models.Model):
title = models.CharField(max_length=200)
author = models.ForeignKey(User,on_delete=models.CASCADE)
likes = models.ManyToManyField(User, blank=True,related_name='post_likes')
content = models.TextField()
img = models.ImageField(upload_to='pics',blank=True)
time = models.DateTimeField(default=timezone.now)
def __str__(self):
return self.title
def get_absolute_url(self):
return reverse('LoveTravel-Details', kwargs={'pk': self.pk})
path('blog/<int:pk>/like/', PostLikeRedirect.as_view(),name='Like'),
此行不过滤帖子,因此返回所有帖子
obj = get_object_or_404(Post)
您想通过主键进行过滤,可以从** kwargs中获取它
def get_redirect_url(self, *args, **kwargs):
obj = get_object_or_404(Post, pk=kwargs['pk'])
...