springmvc添加请求头RequestHeader

@Controller
@RequestMapping("/RequestHeader")
public class RequestHeaderService {
    
    public final static String SUCCEEDD="show";
    
    @RequestMapping(value="/testRequestHeader",method=RequestMethod.GET)
    public String testRequestHeader(@RequestHeader(value="item") String item){
        System.out.println("testRequestHeader .......  ,item ="+item);
        return SUCCEEDD;
    }
    
}