1.Wrapping API views
1.1 @api_view 用于处理基于函数的视图.
1.2 APIView 用于处理基于类的视图.
2.简化上一章中的views.py,这里我们不在使用JSONParser
"""
为了利用响应不再硬连接到单一内容类型这一事实,
让我们向API端点添加对格式后缀的支持。使用格式后缀可以提供显式引用给定格式的url,
这意味着我们的API将能够处理url,比如http://example.com/api/items/4.json。
首先向这两个视图添加一个format关键字参数,就像这样
"""
from rest_framework import status
from rest_framework.decorators import api_view
from rest_framework.response import Response
from snippets.models import Snippet
from snippets.serializers import SnippetSerializer
@api_view(['GET', 'POST'])
def snippet_list(request, format=None):
"""
List all code snippets, or create a new snippet.
"""
if request.method == 'GET':
snippets = Snippet.objects.all()
serializer = SnippetSerializer(snippets, many=True)
return Response(serializer.data)
elif request.method == 'POST':
serializer = SnippetSerializer(data=request.data)
if serializer.is_valid():
serializer.save()
return Response(serializer.data, status=status.HTTP_201_CREATED)
return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
@api_view(['GET', 'PUT', 'DELETE'])
def snippet_detail(request, pk, request=None):
"""
Retrieve, update or delete a code snippet.
"""
try:
snippet = Snippet.objects.get(pk=pk)
except Snippet.DoesNotExist:
return Response(status=status.HTTP_404_NOT_FOUND)
if request.method == 'GET':
serializer = SnippetSerializer(snippet)
return Response(serializer.data)
elif request.method == 'PUT':
serializer = SnippetSerializer(snippet, data=request.data)
if serializer.is_valid():
serializer.save()
return Response(serializer.data)
return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
elif request.method == 'DELETE':
snippet.delete()
return Response(status=status.HTTP_204_NO_CONTENT)
3.更新urls
from django.urls import path
from rest_framework.urlpatterns import format_suffix_patterns
from snippets import views
urlpatterns = [
path('snippets/', views.snippet_list),
path('snippets/<int:pk>', views.snippet_detail),
]
urlpatterns = format_suffix_patterns(urlpatterns)
django-rest-framework(DRF)阅读笔记2
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转载自www.cnblogs.com/wgwblogs/p/10548014.html
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