1. csrf_protect，为当前函数强制设置防跨站请求伪造功能，即便settings中没有设置全局中间件。

2. csrf_exempt，取消当前函数防跨站请求伪造功能，即便settings中设置了全局中间件

from django.views.decorators.csrf import csrf_exempt, csrf_protect

class HomeView(View):

    @method_decorator(csrf_exempt)

    def dispatch(self, request, *args, **kwargs):

        return super(HomeView, self).dispatch(request, *args, **kwargs)

    def get(self, request):

        return render(request, "home.html")

    def post(self, request):

        print("Home View POST method...")

        return redirect("/index/")