spring mvc 打印出所有url mapping

@Autowiredpublic 
EndpointDocController(RequestMappingHandlerMapping handlerMapping) {
    this.handlerMapping = handlerMapping;
    }
@RequestMapping(value="/endpointdoc", method=RequestMethod.GET)
public void show(Model model) {
  model.addAttribute("handlerMethods", this.handlerMapping.getHandlerMethods());
  }