how to get request parameter in spring boot controller code example

Example 1: spring mvc get all request parameters

@RequestMapping(value = {"/search/", "/search"}, method = RequestMethod.GET)
public String search(@RequestParam Map<String,String> allRequestParams) {
   return "viewName";
}

Example 2: spring boot param object

@RequestMapping("/{someID}")
public @ResponseBody int getAttr(@PathVariable(value="someID") String id, 
                                 @RequestParam String someAttr) {
}