Django REST framework安装、调试、函数使用

参考：

# 安装
pip install djangorestframework
pip install django-redis

# 调试 http
#官网教程1，pip install httpie 可以用来调试http
https://blog.csdn.net/ppppfly/article/details/51086122 
#官网教程2，format_suffix_patterns 使用
https://blog.csdn.net/ppppfly/article/details/51103984

request.POST  # 只能处理表单(form)数据，只能处理“POST”方法.
request.data  # 处理任意数据.可以处理'POST', 'PUT' 和 'PATCH'方法.


# ListCreateAPIView 使用
# 方法1
class reportInfoListView(ListCreateAPIView):
    def get_queryset(self):
        queryset = ReportInfo.objects.order_by("-id")[:7][::-1]
        return queryset
    serializer_class = ReportInfoSerializer

# 方法2
class reportInfoListView(ListCreateAPIView):
    poems = ReportInfo.objects.order_by("-id")[:7][::-1]
    queryset = poems
    serializer_class = ReportInfoSerializer