Spring 3 RequestMapping：获取路径值

URL的不匹配部分显示为名为的请求属性

HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE：

@RequestMapping("/{id}/**")public void foo(@PathVariable("id") int id, HttpServletRequest request) {    String restOfTheUrl = (String) request.getAttribute(        HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE);    ...}