我的Django学习使我进入了Forms。使用我正在阅读的书中的信息,我已经能够创建一个简单的表单。我还基于创建的模型创建了一个表单。我遇到的问题是我试图在模板中创建自己的格式,并且由于某种原因标签信息未保存在表单集中。我对如何使用默认的显示方式(即{{form}})具有此信息感到困惑。
是)我有的;
adminforms.py
class NewsForm(ModelForm):
class Meta:
model = News_Article
exclude = ('news_datetime_submitted', 'news_yearmonth', )
labels = {
'news_title': _('Enter News Title'),
}
help_texts = {
'news_title': _('Enter a title to give a short description of what the news is.'),
}
error_messages = {
'news_title': {
'max_length': _("News title is too long."),
},
}
view.py
def create(request, dataset):
if dataset not in ['news', 'announcement']:
# change this to the siteadmin page if authenticated and have permissions, otherwise go to home
return HttpResponseRedirect(reverse('pages'))
rDict = {}
# if this is a POST request we need to process the form data
if request.method == 'POST':
# create a form instance and populate it with data from the request:
if dataset == "news":
form = NewsForm(request.POST)
elif dataset == "announcement":
form = AnnouncementForm(request.POST)
# check whether it's valid:
if form.is_valid():
# process the data in form.cleaned_data as required
# ...
# redirect to a new URL:
return HttpResponseRedirect('/home/')
else:
pass
# if a GET (or any other method) we'll create a blank form
else:
announcement = get_announcement()
if not announcement == None:
rDict['announcement'] = announcement
if dataset == "news":
rDict['formset'] = NewsForm()
rDict['branding'] = {'heading': 'Create News Item', 'breadcrumb': 'Create News', 'dataset': 'create/' + dataset + '/'}
elif dataset == "announcement":
rDict['form'] = AnnouncementForm()
rDict['branding'] = {'heading': 'Create Announcement', 'breadcrumb': 'Create Announcement', 'dataset': 'create/' + dataset + '/'}
rDict['sitenav'] = clean_url(request.path, ['"', "'"])
rDict['menu'] = Menu.objects.all().order_by('menu_position')
pdb.set_trace()
return render(request, 'en/public/admin/admin_create.html', rDict)
模板
<form action="/siteadmin/{{ branding.dataset }}" method="post">
{% csrf_token %}
{{ formset.management_form }}
{% for form in formset %}
{% for field in form %}
{{ field.label_tag }} {{ field }}
{% endfor %}
{% endfor %}
<input type="submit" value="Submit" />
</form>
由于某种原因,无法获得表单字段,并且没有标签信息。Nb我从Formset的Django文档中获得的模板文本。
我查看了返回的数据,但其中没有标签信息,但仅适用于{{form}}吗?有点困惑。
(Pdb) rDict['formset']
<NewsForm bound=False, valid=Unknown, fields=(news_title;news_text;news_active)>
在此先感谢大家。
韦恩
您要添加一个名为“ formset”的上下文变量,它不是一个表单集,而是一个表单:rDict['formset'] = NewsForm()
。
因此,当将此上下文变量传递给模板时,使用进行迭代会{% for form in formset %}
产生误导作用,即创建一个名称form
为实际上是表单字段的变量。尝试正确命名事物(如果您实际上想要一个表单集,请按照此处的描述创建一个表单集),看看事情是否开始有意义。
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