@PathVariable为空时指定默认值,
可以指定多个匹配路径,然后设置参数非必要的,就可以了,例子如下
@RequestMapping(value = {"/timeline/{uid}", "/timeline/{uid}/{size}"}) public ModelAndView getTimeline(@PathVariable(value="uid" ) String articleUserId, @PathVariable(value="size" , required = false) Integer size, ModelAndView modelAndView) { if(size == null) size = 50; //逻辑 }
对于下面两种URL都是可以处理的
http://www.leixingke.com/article/timeline/leixing
http://www.leixingke.com/article/timeline/leixing/100