04: DjangoRestFramework使用

1.1 DjangoRestFramework基本使用

　　1、回顾CBV基本使用

from django.contrib import admin
from django.urls import path,re_path, include

urlpatterns = [
    path('admin/', admin.site.urls),
    path('app01/', include(('app01.urls', 'app01'), namespace='app01')),  # 此处include后的第一个参数用元祖传两个值，第二个值为app_name
]

urls.py

from django.conf.urls import url
from app01 import views

urlpatterns = [
    url(r'^home/',views.Home.as_view()), #as_view是指定调用view的as_view这个方法固定写法
]

app01/urls.py

from django.shortcuts import HttpResponse

from django.views import View
class Home(View):
    '''使用CBV时必须要继承view父类'''
    def dispatch(self, request, *args, **kwargs):
        # 调用父类中的dispatch
        result = super(Home,self).dispatch(request, *args, **kwargs)
        # 使用result主动继承view父类，然后return就可以重写父类的dispath方法
        return result
    # 在这里使用get发来请求就会调用get方法，使用post发来请求就会调用post方法
    def get(self,request):
        print(request.method)
        return HttpResponse('get')

    def post(self,request):
        print(request.method,'POST')
        return HttpResponse('post')

views.py

　　2、安装DjangoRestFramework

pip install djangorestframework==3.9.2
pip install markdown==3.0.1                  # Markdown support for the browsable API.
pip install django-filter==2.1.0             # Filtering support

　　3、DjangoRestFramework 基本使用

urlpatterns = [
    url(r'^users', Users.as_view()),
]

urls.py

from django.views import View
from django.http import JsonResponse
 
class Users(View):
    def get(self, request, *args, **kwargs):
        result = {
            'status': True,
            'data': 'response data'
        }
        return JsonResponse(result, status=200)
 
    def post(self, request, *args, **kwargs):
        result = {
            'status': True,
            'data': 'response data'
        }
        return JsonResponse(result, status=200) 

views.py

 1.2 drf认证模块

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