[spring] springmvc 요청 매개 변 수 를 받 는 방법

@RequestMapping(value="/method1")  
    public String method1(  
            @RequestParam(value="userName",required = false) String userName,  
            @RequestParam("pwd") String pwd){  
        return "methodSignature";  
    }

@RequestMapping(value="/method2")  
    public String method2(  
            @CookieValue(value="sessionId",required=false)String sessionId){  
          
        return "methodSignature";  
    } 

@RequestMapping(value="/method3")  
    public String method3(  
            @RequestHeader("Accept-Encoding") String encoding,  
            @RequestHeader("Keep-Alive") long keepAlive){  
        return "methodSignature";  
    }

public ModelAndView helloWorld(
              @PathVariable String id, 
              @PathVariable String str) {  
        System.out.println(id);  
        System.out.println(str);  
        return new ModelAndView( " /helloWorld " );  
}  

@RequestMapping(value="/method4")  
    public String method4(User user){  
        return "methodSignature";  
    } 

@RequestMapping(value="method5")  
    public void method5(
              HttpServletRequest request,
              HttpServletResponse response,
              HttpSession session){  
        String userName = WebUtils.findParameterValue(request, "userName");  
        response.addCookie(new Cookie("userName",userName));  
    }

@RequestMapping(value="method6")  
    public String method6(WebRequest request){  
        String userName = request.getParameter("userName");  
        return "methodSignature";  
    } 

@RequestMapping(value="method7")  
    public void method7(OutputStream os) throws IOException{  
        Resource res = new ClassPathResource("/image.jpg");//             
        FileCopyUtils.copy(res.getInputStream(), os);  
    }  

@RequestMapping(value="method8")
public String method8(Locale locale,Principal principal){  
        return "methodSignature";  
    }