让你跳转的网页正常

register = template.Library()
@register.simple_tag
def reverse_url(request,name,*args,**kwargs):
   # 获取当前的URL   —— 访问目标地址后重新跳转的地址
   next = request.get_full_path()
   # 目标地址
   base_url = reverse(name,args=args,kwargs=kwargs)

   qd = QueryDict(mutable=True)
   qd['next'] = next

   url = "{}?{}".format(base_url,qd.urlencode())
   return url
过滤器实现