models.py
from django.db import models class UserInfo(models.Model): name = models.CharField(max_length=32) pwd = models.CharField(max_length=32) class UserToken(models.Model): token = models.CharField(max_length=128) userinfo = models.OneToOneField(to="UserInfo") class Publisher(models.Model): name = models.CharField(max_length=64) email = models.EmailField() def __str__(self): return self.name class Book(models.Model): title=models.CharField(max_length=64) price = models.IntegerField() pub_date = models.DateField() publisher=models.ForeignKey(to='Publisher') authors = models.ManyToManyField(to="Author") def __str__(self): return self.title class Author(models.Model): name = models.CharField(max_length=48) age = models.IntegerField(default=2) def __str__(self): return self.name
seria.py
from app01 import models from rest_framework import serializers class PublisherModelSerializer(serializers.ModelSerializer): class Meta: model = models.Publisher fields = "__all__" class BookModelSerializer(serializers.ModelSerializer): class Meta: model = models.Book fields = "__all__" # 以上是默认的 # 显示超链接 publisher = serializers.HyperlinkedIdentityField( view_name="publisher_detail", # url中的别名 lookup_field="publisher_id", #关联字段的字段名 lookup_url_kwarg="pk", ) # 默认一对多，多对多显示主键，可以自定义显示字段为name和其他字段， 可以不加就显示全部 publisher用自定义的话post请求要重写create方法 # publisher = serializers.CharField(source="publisher.name",read_only=True)#一对多可以用 自定义字段 # authors = serializers.CharField(source="authors.all") #多对多不好用 # 多对多自定义显示字段用下面这个，默认显示主键 # authors =serializers.SerializerMethodField() 自定义字段 # def get_authors(self,obj): # temp = [] # for obj in obj.authors.all(): # temp.append(obj.name) # print(temp) # return temp # 自定义显示字段 用自定义的话post请求要重写create方法,不自定义用默认的就不需要create方法 # def create(self,validated_data): # print("validated_data",validated_data) # book = models.Book.objects.create(title=validated_data["title"],price=validated_data["price"],pub_date=validated_data["pub_date"],publisher_id=validated_data["publisher"].split("/")[-2]) # book.authors.add(*validated_data["authors"]) # return book class AuthorModelSerializer(serializers.ModelSerializer): class Meta: model = models.Author fields = "__all__"
seria2.py
from app01 import models from rest_framework import serializers class PublisherModelSerializer(serializers.ModelSerializer): class Meta: model = models.Publisher fields = "__all__" class BookModelSerializer(serializers.ModelSerializer): # 默认一对多，多对多显示主键，可以自定义显示字段为name和其他字段， 可以不加就显示全部 publisher用自定义的话post请求要重写create方法 publisher = serializers.CharField(source="publisher.pk",read_only=True)#一对多可以用 自定义字段不用加read_only=True # authors = serializers.CharField(source="authors.all") #多对多不好用 # 多对多自定义显示字段用下面这个，默认显示主键 # authors =serializers.SerializerMethodField() #自定义字段 # def get_author(self,obj): # temp = [] # for obj in obj.authors.all(): # temp.append(obj.name) # print(temp) # return temp # 自定义显示字段 用自定义的话post请求要重写create方法,不自定义用默认的就不需要create方法 class Meta: model = models.Book fields = "__all__" read_only_fields = ["id"] def create(self,validated_data): print("validated_data",validated_data) book = models.Book.objects.create(title=validated_data["title"],price=validated_data["price"],pub_date=validated_data["pub_date"],publisher_id=validated_data["publisher"]["pk"]) book.authors.add(*validated_data["authors"]) return book class AuthorModelSerializer(serializers.ModelSerializer): class Meta: model = models.Author fields = "__all__"
views.py
from django.shortcuts import render from app01 import models from app01 import seria from rest_framework import mixins from rest_framework import generics #*********第一种继承方法 class PublsherMixView(mixins.ListModelMixin, mixins.CreateModelMixin, generics.GenericAPIView): queryset = models.Publisher.objects.all() serializer_class = seria.PublisherModelSerializer def get(self,request,*args,**kwargs): return self.list(request,*args,**kwargs) def post(self,request,*args,**kwargs): return self.create(request,*args,**kwargs) class PublisherDetailMix(mixins.RetrieveModelMixin, mixins.UpdateModelMixin, mixins.DestroyModelMixin, generics.GenericAPIView): queryset = models.Publisher.objects.all() serializer_class = seria.PublisherModelSerializer def get(self, request, *args, **kwargs): return self.retrieve(request, *args, **kwargs) def put(self, request, *args, **kwargs): return self.update(request, *args, **kwargs) def delete(self, request, *args, **kwargs): return self.destroy(request, *args, **kwargs) class BookMixView(mixins.ListModelMixin, mixins.CreateModelMixin, generics.GenericAPIView): queryset = models.Book.objects.all() serializer_class = seria.BookModelSerializer def get(self,request,*args,**kwargs): return self.list(request,*args,**kwargs) def post(self,request,*args,**kwargs): print("=======") print(request.data) return self.create(request,request.data,*args,**kwargs) class BookDetailMix(mixins.RetrieveModelMixin, mixins.UpdateModelMixin, mixins.DestroyModelMixin, generics.GenericAPIView): queryset = models.Book.objects.all() serializer_class = seria.BookModelSerializer def get(self, request, *args, **kwargs): return self.retrieve(request, *args, **kwargs) def put(self, request, *args, **kwargs): print("$$$$$$$") print(request.data) return self.update(request, *args, **kwargs) def delete(self, request, *args, **kwargs): return self.destroy(request, *args, **kwargs) ##***************第二种继承方法 from app01 import seria2 from rest_framework import mixins from rest_framework import generics class PublsherGenView(generics.ListCreateAPIView): queryset = models.Publisher.objects.all() serializer_class = seria2.PublisherModelSerializer class PublisherDetailGen(generics.RetrieveUpdateDestroyAPIView): queryset = models.Publisher.objects.all() serializer_class = seria2.PublisherModelSerializer class BookGenView(generics.ListCreateAPIView): queryset = models.Book.objects.all() serializer_class = seria2.BookModelSerializer class BookDetailGen(generics.RetrieveUpdateDestroyAPIView): queryset = models.Book.objects.all() serializer_class = seria2.BookModelSerializer #####*********第三种********viewsets.ModelViewSet** from rest_framework import viewsets class BookViewSet(viewsets.ModelViewSet): queryset = models.Book.objects.all() serializer_class = seria2.BookModelSerializer
urls.py
from django.conf.urls import url,include from django.contrib import admin from app01 import views #第三种url简写 #简写第一步 from rest_framework import routers routers = routers.DefaultRouter() routers.register(r"books001",views.BookViewSet) #books001为URL前缀 urlpatterns = [ url(r'^admin/', admin.site.urls), url(r'^publisher/$', views.PublsherMixView.as_view()), # url(r'^publisher/(\d+)/$', views.PublisherDetailView.as_view()), #不加超链接 url(r'^publisher/(?P<pk>\d+)/', views.PublisherDetailMix.as_view(), name="publisher_detail"), url(r'^book/$', views.BookMixView.as_view()), url(r'^book/(?P<pk>\d+)/$', views.BookDetailMix.as_view()), ##**********第二种******* url(r'^publishers/$', views.PublsherGenView.as_view()), url(r'^publishers/(?P<pk>\d+)/$', views.PublisherDetailGen.as_view()), url(r'^books/$', views.BookGenView.as_view(),name="book_list"), url(r'^books/(?P<pk>\d+)/$', views.BookDetailGen.as_view(),name="book_detail"), ##*****第三种 这种还可以简写 # url(r'^books1/$', views.BookViewSet.as_view({"get":"list","post":"create"}),name="book_list"), # url(r'^books1/(?P<pk>\d+)/$', views.BookViewSet.as_view({ # 'get': 'retrieve', # 'put': 'update', # 'patch': 'partial_update', # 'delete': 'destroy' # }),name="book_detail"), ##简写第二步 url(r'^', include(routers.urls)), ] #简写默认生成如下url # # ^books001/$ [name='book-list'] # ^ ^books001\.(?P<format>[a-z0-9]+)/?$ [name='book-list'] # ^ ^books001/(?P<pk>[^/.]+)/$ [name='book-detail'] # ^ ^books001/(?P<pk>[^/.]+)\.(?P<format>[a-z0-9]+)/?$ [name='book-detail']
项目地址：https://github.com/CH-chen/mixns_demo
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