Django提交后更新字段值

时间:2016-05-10 17:31:35

标签: python django formview

我是新来的Django。但我需要你的帮助:))

我使用ListView,FormMixin类和一个简单的FormView创建了一个搜索页面:

class Search(ListView,FormMixin):
   template_name = "users/search.html"
   form_class = SearchForm

   def get_context_data(self,**kwargs):
     """To get results"""

   def post(self, request, *args, **kwargs):
     return SearchFormView.as_view()(request)

并且

 class SearchFormView(FormView):
   template_name = 'users/search.html'
   form_class    = SearchForm

   def get_success_url(self):
     return reverse_lazy('users:search')

   def get_initial(self):
     if 'keySearch' in self.request.session:
       for k in self.request.session.pop('keySearch'):
         initial[k] = self.request.session.pop(k)

     return initial

   def form_valid(self, form):
      print "Form valid" 
      request = form.cleaned_data
      print "Search field {}".format(request)
      for k,v in request.iteritems():
        self.request.session[k]=v
      self.request.session['keySearch']=request.keys()
      return super(SearchFormView,self).form_valid(form)

但每次,我都会提交表格,"搜索"字段被消隐。我的目标是保持在现场,用户输入并同时显示关键字和搜索结果。我想我没有以一种好的方式使用get_initial方法。

此外,我很抱歉这个脏代码。我希望你有解决方案,任何评论都会很棒:)

祝你好运

1 个答案:

答案 0 :(得分:0)

您需要指定表单值并在呈现模板时再次发送它们,如果它有用,可以尝试这样:

class SearchFormView(View):
    template_name='users/search.html'

    def get(self, request, *args, **kwargs):
        valid_form = yourForm()
        return render(request, self.template_name,{
                                                    "valid_form" : valid_form,

                                                    })