【已解决】local variable 'form' referenced before assignment
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制作表单实例的时候报错.
我的views.py文件如下:
# test 测试页面的传递数据def test(request): if request.method == 'POST': # 当提交表单的时候 form = AddForm(request.POST) # form包含提交的数据 if form.is_valid(): # 如果提交的数据合法 a = form.cleaned_data['a'] b = form.cleaned_data['b'] return HttpResponse(str(int(a) + int(b))) else: # 当正常访问时 form = AddForm() return render(request, "test.html", {'form': form})
错误翻译过来就是,请在调用form之前得声明,意思就是还没声明....可是我已经声明过了.这是为啥
间距!!!
def test(request): if request.method == 'POST': # 当提交表单的时候 form = AddForm(request.POST) # form包含提交的数据 if form.is_valid(): # 如果提交的数据合法 a = form.cleaned_data['a'] b = form.cleaned_data['b'] return HttpResponse(str(int(a) + int(b))) else: # 当正常访问时 form = AddForm() return render(request, "test.html", {'form': form})
即可正常访问!
所以说对于Python来说格式是十分重要的- -
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