我得到了这个错误时打开"result_list.html",请帮助纠正我的代码。逻辑是当用户提交表单时,它将重定向到这个结果html。但现在我只是单独打开这个"result_list.html",它弹出了这个错误。
urlpatterns = patterns('',
url(r'^result_list/$',ResultView.as_view(),name='result'),
url(r'^input/$',InputFormView.as_view(),name='input'),
)
views.py
class InputFormView(FormView):
template_name = 'inputform.html'
form_class = InputForm
#redirect to result page with submitted form information
def get_success_url(self):
return ''.join(
[
reverse('result'), ----redirect to 'result' page
'?company=',self.request.POST.get('company'),
'®ion=',self.request.POST.get('region')
]
)
class ResultView(ListView):
context_object_name = 'result_list'
template_name = 'result_list.html'
model = Result
def get_context_data(self,**kwargs):
context = super(ResultView, self).get_context_data(**kwargs)
context["sales"] = self.get_queryset().aggregate(Sum('sales'))
return context
def get_queryset(request):
if request.method == 'POST':
form = InputForm(request.POST)
if form.is_valid():
company = form.cleaned_data['company']
region = form.cleaned_data['region']
queryset=Result.objects.filter(region=region)
return get_context_data(queryset,request)
else:
print form.errors()
return Result.objects.all()
<<p> inputform.HTML片段/strong> <form method="post" action="{% url 'result' %}"> ----if here correct?
{% csrf_token %}
<!--enter company-->
<div class="field">
{{ form.company.errors }}
<label for="{{ form.company.id_for_label }}">Company:</label>
{{ form.company }}
</div>
<!--select region-->
<div class="field" >
<label> Select the Region:
{{ form.region }}
{% for region in form.region.choices %}
<option value="region" name= "region" id="id_region">{{region}} </option>
{% endfor %}
</label>
</div>
.......
* * result_list.html <div class="basicinfo"> <!--form information-->
<table border="1" cellpadding="1">
<tr>
<td align="left">Company</td>
<td>{{company }}</td>
</tr>
<tr>
<td align="left">Region</td>
<td>{{region}}</td>
</tr>
</table>
</div>
<div class="result">
<table style border="0" cellpadding="0">
<tr> {{sales}}</tr>
</table>
.....
</div>
回溯:
File "C:Python27libsite-packagesdjango-1.8.3-py2.7.eggdjangocorehandlersbase.py" in get_response
132. response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "C:Python27libsite-packagesdjango-1.8.3-py2.7.eggdjangoviewsgenericbase.py" in view
71. return self.dispatch(request, *args, **kwargs)
File "C:Python27libsite-packagesdjango-1.8.3-py2.7.eggdjangoviewsgenericbase.py" in dispatch
89. return handler(request, *args, **kwargs)
File "C:Python27libsite-packagesdjango-1.8.3-py2.7.eggdjangoviewsgenericlist.py" in get
159. self.object_list = self.get_queryset()
File "C:UsersuserDesktopssresultviews.py" in get_queryset
91. if request.method == 'POST':
Exception Type: AttributeError at /result_list/
Exception Value: 'ResultView' object has no attribute 'method'
新回溯File "C:Python27libsite-packagesdjango-1.8.3-py2.7.eggdjangocorehandlersbase.py" in get_response
132. response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "C:Python27libsite-packagesdjango-1.8.3-py2.7.eggdjangoviewsgenericbase.py" in view
71. return self.dispatch(request, *args, **kwargs)
File "C:Python27libsite-packagesdjango-1.8.3-py2.7.eggdjangoviewsgenericbase.py" in dispatch
89. return handler(request, *args, **kwargs)
File "C:Python27libsite-packagesdjango-1.8.3-py2.7.eggdjangoviewsgenericlist.py" in get
174. context = self.get_context_data()
Exception Type: TypeError at /dupont_list/
Exception Value: get_context_data() takes exactly 2 arguments (1 given)
基于建议的New views.py
class InputFormView(FormView):
template_name = 'inputform.html'
form_class = InputForm
#redirect to result page with submitted form information
def get_success_url(self):
return ''.join(
[
reverse('result'), ----redirect to 'result' page
'?company=',self.request.POST.get('company'),
'®ion=',self.request.POST.get('region')
]
)
class ResultView(ListView):
context_object_name = 'result_list'
template_name = 'result_list.html'
model = Result
def get_context_data(self,**kwargs):
context = super(ResultView, self).get_context_data(**kwargs)
context["sales"] = self.get_queryset().aggregate(Sum('sales'))
return context
def get_queryset(self):
if self.request.method == 'POST':
form = InputForm(self.request.POST)
if form.is_valid():
company = form.cleaned_data['company']
region = form.cleaned_data['region']
queryset=Result.objects.filter(region=region)
else:
print form.errors()
return Result.objects.all()
get_queryset方法只接受self参数。如果你想访问请求,你必须写self.request。
def get_queryset(self):
if self.request.method == 'POST':
form = InputForm(self.request.POST)
if form.is_valid():
company = form.cleaned_data['company']
region = form.cleaned_data['region']
queryset=Result.objects.filter(region=region)
return queryset
else:
print form.errors()
return Result.objects.all()