Django Rest Framework--2
1 from django.shortcuts import render,HttpResponse 2 from django.views import View 3 from blog.models import Book,Publish,Author 4 from rest_framework.response import Response 5 from rest_framework import serializers 6 #为queryset,model对象做序列化 7 class PublishSerializers(serializers.Serializer): 8 name=serializers.CharField() 9 email=serializers.CharField() 10 11 # class BookSerializers(serializers.Serializer): 12 # title=serializers.CharField(max_length=32) 13 # price=serializers.IntegerField() 14 # pub_date=serializers.DateField() 15 # publish=serializers.CharField(source="publish.name") 16 # # authors=serializers.CharField(source="authors.all") 17 # authors = serializers.SerializerMethodField() 18 # def get_authors(self,obj): 19 # temp = [] 20 # for author in obj.authors.all(): 21 # temp.append(author.name) 22 # return temp 23 class BookSerializers(serializers.ModelSerializer): 24 class Meta: 25 model = Book 26 fields = "__all__" 27 # depth = 1 28 # publish=serializers.CharField(source="publish.pk",read_only=True) 29 publish = serializers.HyperlinkedIdentityField( 30 view_name='publish_detail', 31 lookup_field="publish_id", 32 lookup_url_kwarg="pk" 33 34 ) 35 # authors=serializers.CharField(source="authors.all") 36 # authors = serializers.SerializerMethodField() 37 # def get_authors(self,obj): 38 # temp = [] 39 # for author in obj.authors.all(): 40 # temp.append(author.pk) 41 # return temp 42 43 def create(self, validated_data): 44 print("validated_data",validated_data) 45 # authors = validated_data.pop('authors') 46 # obj = Book.objects.create(**validated_data) 47 # obj.authors.add(*authors) 48 # return obj 49 book=Book.objects.create(title=validated_data['title'], 50 price=validated_data['price'], 51 pub_date=validated_data['pub_date'], 52 publish_id=validated_data['publish']['pk']) 53 book.authors.add(*validated_data['authors']) 54 return book 55 56 # from django.utils.decorators import method_decorator 57 from rest_framework.views import APIView 58 # from rest_framework.response import Response 59 60 class PublishesView(APIView): 61 # def dispatch(self, request, *args, **kwargs): 62 # print("dispatch......") 63 # ret=super(LoginView,self).dispatch(self, request, *args, **kwargs) 64 # return ret 65 def get(self,request,*args,**kwargs): 66 print("GET", request.POST) 67 print("body", request.body) 68 return HttpResponse("get") 69 70 def post(self,request,*args,**kwargs): 71 # 原生的request支持的操作 72 # print("POST",request.POST) 73 # print("body",request.body) 74 # # print(request) 75 # print(type(request)) 76 # from django.core.handlers.wsgi import WSGIRequest 77 78 # 新的request支持的操作 79 #request._request.POST #如果需要原来的request 80 print("request.data 新的request",request.data) 81 82 83 84 return HttpResponse("post") 85 86 class PublishDetailViewSet(APIView): 87 pass 88 89 class BookView(APIView): 90 def get(self,request): 91 book_list=Book.objects.all() 92 bs=BookSerializers(book_list,many=True,context={'request': request}) 93 # return HttpResponse(bs.data) 94 return Response(bs.data) 95 96 def post(self, request, *args, **kwargs): 97 98 bs = BookSerializers(data=request.data, many=False) 99 if bs.is_valid(): 100 # print(bs.validated_data) 101 bs.save() 102 return Response(bs.data) 103 else: 104 # return HttpResponse(bs.errors) 105 return Response(bs.errors) 106 107 class BookDetailViewSet(APIView): 108 def get(self,request,id): 109 book=Book.objects.filter(pk=id).first() 110 #quryset using many=True or model_object nothing 111 bs = BookSerializers(book,context={'request': request}) 112 return Response(bs.data) 113 114 def put(self,request,id): 115 book = Book.objects.filter(pk=id).first() 116 bs=BookSerializers(book,data=request.data) 117 if bs.is_valid(): 118 bs.save() 119 return Response(bs.data) 120 else: 121 return Response(bs.errors) 122 def delete(self,request,id): 123 Book.objects.filter(pk=id).first().delete() 124 return Response()
1 """mysite1 URL Configuration 2 3 The `urlpatterns` list routes URLs to views. For more information please see: 4 https://docs.djangoproject.com/en/2.1/topics/http/urls/ 5 Examples: 6 Function views 7 1. Add an import: from my_app import views 8 2. Add a URL to urlpatterns: path('', views.home, name='home') 9 Class-based views 10 1. Add an import: from other_app.views import Home 11 2. Add a URL to urlpatterns: path('', Home.as_view(), name='home') 12 Including another URLconf 13 1. Import the include() function: from django.urls import include, path 14 2. Add a URL to urlpatterns: path('blog/', include('blog.urls')) 15 """ 16 from django.contrib import admin 17 from django.urls import path,re_path 18 from blog import views 19 urlpatterns = [ 20 path('admin/', admin.site.urls,), 21 re_path("^publishes/", views.PublishesView.as_view(),name="publishes"), # 用来调用CBV 调用类 22 re_path('^publishers/(?P<pk>\d+)$', views.PublishDetailViewSet.as_view(),name="publish_detail"), 23 24 re_path("^books/$", views.BookView.as_view()), # 用来调用CBV 调用类 25 re_path(r'^books/(\d+)/$', views.BookDetailViewSet.as_view(), name="book_detail"), 26 27 ]
1 from django.db import models 2 3 # Create your models here. 4 5 class Book(models.Model): 6 title=models.CharField(max_length=32) 7 price=models.IntegerField() 8 pub_date=models.DateField(null=True) 9 publish=models.ForeignKey("Publish",on_delete=models.CASCADE) 10 authors=models.ManyToManyField("Author") 11 12 13 def __str__(self): 14 return self.title 15 class Publish(models.Model): 16 name=models.CharField(max_length=32) 17 email=models.EmailField() 18 def __str__(self): 19 return self.name 20 21 class Author(models.Model): 22 name=models.CharField(max_length=32) 23 age=models.IntegerField() 24 25 def __str__(self): 26 return self.name
""" Django settings for mysite1 project. Generated by 'django-admin startproject' using Django 2.1.2. For more information on this file, see https://docs.djangoproject.com/en/2.1/topics/settings/ For the full list of settings and their values, see https://docs.djangoproject.com/en/2.1/ref/settings/ """ import os # Build paths inside the project like this: os.path.join(BASE_DIR, ...) BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__))) # Quick-start development settings - unsuitable for production # See https://docs.djangoproject.com/en/2.1/howto/deployment/checklist/ # SECURITY WARNING: keep the secret key used in production secret! SECRET_KEY = 'cnclo%stfy&xw$oo58*5qm!2*7y1te57*dkx!9ci$yha-=s=-6' # SECURITY WARNING: don't run with debug turned on in production! DEBUG = True ALLOWED_HOSTS = [] # Application definition INSTALLED_APPS = [ 'django.contrib.admin', 'django.contrib.auth', 'django.contrib.contenttypes', 'django.contrib.sessions', 'django.contrib.messages', 'django.contrib.staticfiles', 'blog.apps.BlogConfig', 'rest_framework', ] MIDDLEWARE = [ 'django.middleware.security.SecurityMiddleware', 'django.contrib.sessions.middleware.SessionMiddleware', 'django.middleware.common.CommonMiddleware', # 'django.middleware.csrf.CsrfViewMiddleware', 'django.contrib.auth.middleware.AuthenticationMiddleware', 'django.contrib.messages.middleware.MessageMiddleware', 'django.middleware.clickjacking.XFrameOptionsMiddleware', ] ROOT_URLCONF = 'mysite1.urls' TEMPLATES = [ { 'BACKEND': 'django.template.backends.django.DjangoTemplates', 'DIRS': [os.path.join(BASE_DIR, 'templates')] , 'APP_DIRS': True, 'OPTIONS': { 'context_processors': [ 'django.template.context_processors.debug', 'django.template.context_processors.request', 'django.contrib.auth.context_processors.auth', 'django.contrib.messages.context_processors.messages', ], }, }, ] WSGI_APPLICATION = 'mysite1.wsgi.application' # Database # https://docs.djangoproject.com/en/2.1/ref/settings/#databases DATABASES = { 'default': { 'ENGINE': 'django.db.backends.sqlite3', 'NAME': os.path.join(BASE_DIR, 'db.sqlite3'), } } # Password validation # https://docs.djangoproject.com/en/2.1/ref/settings/#auth-password-validators AUTH_PASSWORD_VALIDATORS = [ { 'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator', }, { 'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator', }, { 'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator', }, { 'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator', }, ] # Internationalization # https://docs.djangoproject.com/en/2.1/topics/i18n/ LANGUAGE_CODE = 'en-us' TIME_ZONE = 'UTC' USE_I18N = True USE_L10N = True USE_TZ = True # Static files (CSS, JavaScript, Images) # https://docs.djangoproject.com/en/2.1/howto/static-files/ STATIC_URL = '/static/' REST_FRAMEWORK = { # Use Django's standard `django.contrib.auth` permissions, # or allow read-only access for unauthenticated users. 'DEFAULT_PERMISSION_CLASSES': [ # 'rest_framework.permissions.DjangoModelPermissionsOrAnonReadOnly' ] } # # 将设置里的'rest_framework.permissions.DjangoModelPermissionsOrAnonReadOnly'一句删除，重启项目再次访问，不在报错。 # # 注：'rest_framewo
