views.py 文件源码

def book_list(request):
    """
    List all books, or create a new book.
    """
    if request.method == 'GET':
        books = Book.objects.all()
        serializer = BookSerializer(books, many=True)
        return JsonResponse(serializer.data, safe=False)

    elif request.method == 'POST':
        data = JSONParser().parse(request)
        serializer = BookSerializer(data=data)
        if serializer.is_valid():
            serializer.save()
            return JsonResponse(serializer.data, status=201)
        return JsonResponse(serializer.errors, status=400)

# Returns a Json response for the book of id pk if the request is a GET request.
# Adds a new book to the database if the request is a PUT request.
# Deletes book of id pk if the request is a DELETE request.