django学习 笔记---给cookie添加装饰器（FBV和CBV模式）

接上一篇博文的例子
FBV模式def cookie(func):
def deco(request,*args,**kwargs):
# FBV 不太清楚为什么要写两次u，可能是内部吧？如果是正常的装饰器应该一次就够了
u = request.get_signed_cookie('username', salt='user', default=None)
if not u:
return render(request,'login.html')
return func(request,*args,**kwargs)
return deco

@cookie
def houtai(request):
u = request.get_signed_cookie('username',salt='user',default=None)
return render(request,'houtai.html',{'user':u})
CBV模式

from django.utils.decorators import method_decorator
from django import views

# @method_decorator(cookie,name='dispatch')    # dispatch的便捷写法
class CBVtest(views.View):

@method_decorator(cookie)   # 给dispatch方法添加装饰器，那么下面所有的get，post都会添加
def dispatch(self, request, *args, **kwargs):
return super(CBVtest,self).dispatch(request,*args,**kwargs)

# @method_decorator(cookie)
def get(self,request):
u = request.get_signed_cookie('username',salt='user',default=None)
return render(request,'houtai.html',{'user':u})

def post(self,request):
return HttpResponse('post ok')