def post(self, request, *args, **kwargs):
# print(request.data)
ser_obj = BookSerializer(data=request.data)
if ser_obj.is_valid():
ser_obj.save()
return Response(ser_obj.data)
return Response(ser_obj.errors)
def put(self, request, pk, *args, **kwargs):
obj = self.book_obj.get('obj')
if not obj:
return Response('更新数据不存在')
ser_obj = BookSerializer(instance=obj, data=request.data, partial=True)
if ser_obj.is_valid():
ser_obj.save()
return Response(ser_obj.data)
return Response(ser_obj.errors)
def post(self, request):
'''
提交数据添加一条书籍
:param request:
:return:
'''
print(request.data)
serializer = BookSerializer(data=request.data, many=False)
if serializer.is_valid():
serializer.save() # 保存到数据库中 create操作
return Response(serializer.data)
else:
return Response(serializer.errors)
def put(self, request, id):
'''
更新一条数据update
:param request:
:param id:
:return:
'''
edit_obj = Book.objects.get(pk=id)
serializer = BookSerializer(data=request.data, instance=edit_obj)
if serializer.is_valid():
serializer.save()
# 返回更新后的数据
return Response(serializer.data)
else:
return Response(serializer.errors)
def get(self, request):
'''
查看多条数据
:param request:
:return:
'''
# print(request.user,request.auth)
class MyPageNumberPagination(PageNumberPagination):
page_size = 3 # 每页的显示的个数
page_query_param = "page_num" # 手动点击第几页
page_size_query_param = "size" # size手动是一页显示的个数
max_page_size = 5 # 最大的页显示的个数
book_list = Book.objects.get_queryset().order_by("nid")
pnp = MyPageNumberPagination()
paged_book_list = pnp.paginate_queryset(book_list, request)
serializer = BookSerializer(paged_book_list, many=True)
'''
具体操作解析，就是怎么序列化的：
serializer=BookSerializer(book_list,many=True)
serializer.data:
temp=[]
for obj in book_list:
temp.append({
"title":obj.title,
"price":obj.price,
"publish":obj.publish.email,
if 字段SerializerMethodField：
"authors":get_authors(obj)
})
json.dumps(temp)
'''
return Response(serializer.data)
def get(self, request, pk=None, *args, **kwargs):
if not pk:
all_book = models.Book.objects.all()
else:
all_book = models.Book.objects.filter(pk=pk)
self.book_obj['obj'] = all_book.first()
ser_obj = BookSerializer(all_book, many=True)
# print(ser_obj.data, type(ser_obj.data))
return Response(ser_obj.data)
def get(self, request, id):
'''
查看一条数据
:param request:
:param id:
:return:
'''
show_obj = Book.objects.get(pk=id)
serializer = BookSerializer(show_obj, many=False)
# 返回查看的单条数据
return Response(serializer.data)