def put(self, request,pk, format=None):
snippet = self.get_object(pk)
serializer = SnippetModelSerializer(snippet, data=request.data)
if serializer.is_valid():
serializer.save()
return Response(serializer.data, status=status.HTTP_201_CREATED)
return Response(status=status.HTTP_422_UNPROCESSABLE_ENTITY)
def snippet_detail(request, pk):
"""
Retrieve, update or delete a code snippet.
"""
try:
snippet = Snippet.objects.get(pk=pk)
except Snippet.DoesNotExist:
return HttpResponse(status=404)
if request.method == 'GET':
serializer = SnippetModelSerializer(snippet)
return JsonResponse(serializer.data)
elif request.method == 'PUT':
data = JSONParser().parse(request)
serializer = SnippetModelSerializer(snippet, data=data)
if serializer.is_valid():
serializer.save()
return JsonResponse(serializer.data)
return JsonResponse(serializer.errors, status=400)
elif request.method == 'DELETE':
snippet.delete()
return HttpResponse(status=204)
return HttpResponse(status=404)
def snippet_list(request):
if request.method == 'GET':
snippets = Snippet.objects.all()
serializer = SnippetModelSerializer(snippets, many=True)
return JsonResponse(serializer.data, safe=False)
elif request.method == 'POST':
data = JSONParser().parse(request)
serializer = SnippetModelSerializer(data=data)
if serializer.is_valid():
serializer.save()
return JsonResponse(serializer.data, status=status.HTTP_201_CREATED)
return JsonResponse(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
def snippet_list(request):
if request.method == 'GET':
snippets = Snippet.objects.all()
serializer = SnippetModelSerializer(snippets, many=True)
return JsonResponse(serializer.data, safe=False)
if request.method == 'POST':
data = JSONParser().parse(request)
serializer = SnippetModelSerializer(data=data)
if serializer.is_valid():
serializer.save()
return JsonResponse(serializer.data, status=201) # 只有通过验证serializer 保存成功后就可以得到data
return JsonResponse(serializer.errors, status=400) # 400 json参数认证错误
def drf_snippet_list(request, format=None): # drf 对request 做了进一步封装
if request.method == 'GET':
snippet = Snippet.objects.all()
serializer = SnippetModelSerializer(snippet, many=True)
print('------------', type(serializer.data)) # RunDict
return Response(serializer.data)
if request.method == 'POST':
# 我们不需要再自己去解析数据了
print('+++++++++++++++', type(request.data))
serializer = SnippetModelSerializer(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_422_UNPROCESSABLE_ENTITY)
def snippet_list(request):
"""
List all code snippets, or create a new snippet.
"""
if request.method == 'GET':
snippets = Snippet.objects.all()
serializer = SnippetModelSerializer(snippets, many=True)
return JsonResponse(serializer.data, safe=False)
elif request.method == 'POST':
data = JSONParser().parse(request)
serializer = SnippetModelSerializer(data=data)
if serializer.is_valid():
serializer.save()
return JsonResponse(serializer.data, status=201)
return JsonResponse(serializer.errors, status=400)
def snippet_detail(request, pk, format=None):
try:
snippet = Snippet.objects.get(pk=pk)
except Snippet.DoesNotExist:
return HttpResponse(status=status.HTTP_404_NOT_FOUND)
if request.method == "GET":
serializer = SnippetModelSerializer(snippet)
return JsonResponse(serializer.data)
elif request.method == "POST":
data = JSONParser().parse(request)
serializer = SnippetModelSerializer(snippet, data=data)
if serializer.is_valid():
serializer.save()
return JsonResponse(serializer.data)
return JsonResponse(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
elif request.method == "DELETE":
snippet.delete()
return HttpResponse(status=status.HTTP_204_NO_CONTENT)
def drf_snippet_detail(request, pk, format=None): # 针对某一个代码片段的更新删除
try:
snippet = Snippet.objects.get(pk=pk)
except Snippet.DoesNotExist: # 不存在这个对象
return Response(status=status.HTTP_404_NOT_FOUND) # 404 找不到资源
if request.method == 'GET':
serializer = SnippetModelSerializer(snippet)
return Response(serializer.data)
if request.method == 'PUT':
# 在更新实例的时候必须要知道我们要更新哪一个实例
serializer = SnippetModelSerializer(snippet, data=request.data)
if serializer.is_valid():
serializer.save()
return Response(serializer.data)
return Response(serializer.data, status=status.HTTP_422_UNPROCESSABLE_ENTITY) # 400 json 参数认证错误
if request.method == 'DELETE':
snippet.delete()
return HttpResponse(status=status.HTTP_204_NO_CONTENT) # 204 删除成功
def snippet_detail(request, pk): # 针对某一个代码片段的更新删除
try:
snippet = Snippet.objects.get(pk=pk)
except Snippet.DoesNotExist: # 不存在这个对象
return HttpResponse(status=404) # 404 找不到资源
if request.method == 'GET':
serializer = SnippetModelSerializer(snippet)
return JsonResponse(serializer.data)
if request.method == 'PUT':
data = JSONParser().parse(request)
# 在更新实例的时候必须要知道我们要更新哪一个实例
serializer = SnippetModelSerializer(snippet, data=data)
if serializer.is_valid():
serializer.save()
return JsonResponse(serializer.data)
return JsonResponse(serializer.data, status=400) # 400 json 参数认证错误
if request.method == 'DELETE':
snippet.delete()
return HttpResponse(status=204) # 204 删除成功
def get(self, request, pk, format=None):
snippet = self.get_object(pk)
serializer = SnippetModelSerializer(snippet)
return Response(serializer.data, status=status.HTTP_200_OK)
def post(self, request, format=None):
serializer = SnippetModelSerializer(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_422_UNPROCESSABLE_ENTITY)
def get(self, request, format=None):
snippets = Snippet.objects.all()
serializer = SnippetModelSerializer(snippets, many=True)
return Response(serializer.data)
from test_scripts import django_setup from snippets.serializers import SnippetModelSerializer, SnippetSerializer serializer = SnippetModelSerializer() print(repr(serializer)) serializer = SnippetSerializer() print(repr(serializer)) # repr, str 차이? https://shoark7.github.io/programming/python/difference-between-__repr__-vs-__str__