1.直接在配置url时添加装饰器
# 定义一个装饰器
def my_decorator(view_func):
def wrapper(request, *wargs, **kwargs):
print("装饰器被调用了")
# print(request.method)
return view_func(request, *wargs, **kwargs)
return wrapper
url(r'^demoview/$', my_decorator(views.DemoView.as_view())),
my_decorator() 是定义的装饰器名称
2. 使用Django框架提供的method_decorator()将函数视图的装饰器转换为类视图的装饰器
from django.utils.decorators import method_decorator
@method_decorator(my_decorator, name='get')
# 第一个参数是装饰器,第二个参数是调用装饰器的方法
# name可以为 get,post等
class DemoView(View):
def get(self, request):
print("get方法被调用了")
return HttpResponse("OK")
def post(self, request):
print("post方法被调用了")
return HttpResponse("OK")
@method_decorator(my_decorator, name='dispatch')
# 当name='dispatch'时类视图内定义的所有方法都可以调用装饰器
class DemoView(View):
def get(self, request):
print("get方法被调用了")
return HttpResponse("OK")
def post(self, request):
print("post方法被调用了")
return HttpResponse("OK")
class DemoView(View):
@method_decorator(my_decorator)
# method_decorator方法写在请求方式的上方时,
# 不用写name='get', 它下方的请求方式被调用时会调用指定的装饰器
def get(self, request):
print("get方法被调用了")
return HttpResponse("OK")
def post(self, request):
print("post方法被调用了")
return HttpResponse("OK")