// required=false表示不传的话,会给参数赋值为null,required=true就是必须要有
@ResponseBody
@RequestMapping("testRequestParam")
public String filesUpload(@RequestParam(value="aa", required=true) String inputStr, HttpServletRequest request)
// required=false表示不传的话,会给参数赋值为null,required=true就是必须要有
@ResponseBody
@RequestMapping("testRequestParam")
public String filesUpload(@RequestParam(value="aa", required=true) String inputStr, HttpServletRequest request)