class LoginView(View):
    def get(self,request):
        出錯
        publish_list = Publisher.objects.all()
        return HttpResponse(json.dumps(publish_list))#無法打印，返回值是一個querset對象
        #c出錯
        publish_list = list(Publisher.objects.all())
        return HttpResponse(json.dumps(publish_list))  # 無法打印，返回值是一個querset對象
        第一種打印全部
        publish_list = list(Publisher.objects.all().values())
        return HttpResponse(json.dumps(publish_list))
        第二種打印指定的name和email
        publish_list = list(Publisher.objects.all().values("name","email"))
        return HttpResponse(json.dumps(publish_list))
        第三種
        publish_list = Publisher.objects.all()
        temp = []
        for publish in publish_list:
            temp.append({
                "name":publish.name,
                "email":publish.email}
            )
            return HttpResponse(json.dumps(temp))
        第四種
        from django.forms.models import model_to_dict
        publish_list = Publisher.objects.all()
        temp = []
        for publish in publish_list:
            temp.append(model_to_dict(publish))
            return HttpResponse(json.dumps(temp))
        第五種
        from django.core import serializers
        publish_list = Publisher.objects.all()
        ret = serializers.serialize("json",publish_list)
        return HttpResponse(ret)

django序列化的幾種方法