为什么这个django-rest-swagger API文档不会显示/正常工作？

问题描述

我已经构建了一个Django API，当通过POST给出一个电子邮件地址时，将使用一个布尔值来表示天气，或者该电子邮件地址已经存在于我的数据库中：

  class isEmailTaken（views.APIView）：
 permission_classes = [permissions.AllowAny，] 
 
 def post（self，request，* args，* * b $ b try：
 email = request.DATA ['email'] 
除了KeyError：
 return HttpResponse（
'这个电子邮件没有给出请求'，
 status = status.HTTP_400_BAD_REQUEST，
）
返回HttpResponse（
 json.dumps（
 User.objects.filter（email = email），
 content_type =application / json，
 status = status.HTTP_200_OK，
）
）
  

现在我想使用，这也是没有渲染输入参数

最后我查看源代码，发现django-rest-swagger需要get_serializer_class来构建身体参数

所以它使用以下代码

  class isEmailTaken（views.APIView）：
 permission_classes = [ permission.AllowAny，] 
 serializer_class = IsEmailTakenSerializer 
 
 def get_serializer_class（s​​elf）：
 return self.serializer_class 
 
 def post（self，request，* args，** kwargs）：
 try：
 email = request.DATA ['email'] 
除了KeyError：
 return HttpResponse（
'A 
 status = status.HTTP_400_BAD_REQUEST，
）
返回HttpResponse（
 json.dumps（
 User.objects.filter （email = email），
 content_type =application / json，
 status = status.HTTP_200_OK，
）
）
  / pre> 
 
 
和IsEmailTakenSerializer 
  from rest_framework import serializers 
 class IsEmailTakenSerializer（serializers.Serializer）：
 email = serializers.EmailField（）
  
 
I've built a Django API that when given an email address via POST will respond with a boolean value indicating weather or not that email address already exists in my database:
class isEmailTaken(views.APIView):
    permission_classes = [permissions.AllowAny,]

    def post(self, request, *args, **kwargs):
        try:
            email = request.DATA['email']
        except KeyError:
            return HttpResponse(
                'An email was not given with this request.',
                status=status.HTTP_400_BAD_REQUEST,
            )
        return HttpResponse(
            json.dumps(
                User.objects.filter(email=email),
                content_type="application/json",
                status=status.HTTP_200_OK,
            )
        )
Now I would like to use the django-rest-swagger package to automatically generate documentation for this API. I installed the package and inserted the comments you see above between the triple-quotes. When I look at the documentation produced by django-rest-swagger for this API, I see the image below. 
However, when I click the Try it out! button, I get the error shown below. Notably, it never gives me a chance to input the email argument that it should send via POST.
Why doesn't the Django-Swagger-Package create docs that allow me to properly the argument "email" via POST? How do I make this work?
 解决方案 
I tested this with cigar_example which is made by django-rest-swagger and in that example they written one custom view which is also not rendering input parameters
Lastly i look into source code and found that django-rest-swagger needs get_serializer_class to build body parameters
so it worked with the following code
class isEmailTaken(views.APIView):
    permission_classes = [permissions.AllowAny,]
    serializer_class = IsEmailTakenSerializer

def get_serializer_class(self):
    return self.serializer_class

def post(self, request, *args, **kwargs):
    try:
        email = request.DATA['email']
    except KeyError:
        return HttpResponse(
           'An email was not given with this request.',
            status=status.HTTP_400_BAD_REQUEST,
        )
    return HttpResponse(
        json.dumps(
            User.objects.filter(email=email),
            content_type="application/json",
            status=status.HTTP_200_OK,
         )
         )
and IsEmailTakenSerializer
from rest_framework import serializers
class IsEmailTakenSerializer(serializers.Serializer):
    email = serializers.EmailField()
                        
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