我正在练习 Django 的通用 View ,尤其是 ModelForms
这些是我的观点和模型
模型.py
class Post(models.Model):
user = models.ForeignKey(User)
post_title = models.CharField(max_length=200)
post_content = models.CharField(max_length=500)
post_date = models.DateTimeField('date posted')
def get_absolute_url(self):
return reverse('user-detail', kwargs={'pk': self.pk})
def __unicode__(self):
return self.post_title
表单.py
class PostForm(forms.ModelForm):
post_title = forms.CharField(
label=u'Title',
widget=forms.TextInput(attrs={'size':64})
)
post_content = forms.CharField(
label=u'Content',
widget=forms.TextInput(attrs={'size':128})
)
class Meta:
model = Post
views.py
class PostCreate(CreateView):
fields = ['post_title', 'post_content']
template_name = 'app_blog/post_save_form.html'
model = Post
form_class = PostForm
@method_decorator(login_required)
def dispatch(self, *args, **kwargs):
return super(PostCreate, self).dispatch(*args, **kwargs)
def form_valid(self, form):
self.object = form.save(commit=False)
self.object.user = self.request.user
self.object.post_date = datetime.now()
return super(PostCreate, self).form_valid(form)
该 View 似乎工作正常,未显示任何错误。但是,当我在提交表单并保存帖子后检查 Django 管理页面时,由于某种原因帖子没有保存到数据库中。
知道为什么会这样吗?
最佳答案
正如我从您使用的代码中看到的
self.object = form.save(commit=False)
这意味着该对象不会保存到数据库中,但您可以将其用于进一步处理。所以你应该使用这样的东西:
self.object = form.save(commit=False) # Not hit database
self.object.user = self.request.user # Update user
self.object.post_date = datetime.now() # Update post_date
self.object.save() # And finally save your object to database.
关于python - Django 的 CreateView 没有保存对象,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/17833117/