>>> controller

package com.controller;

import javax.servlet.http.HttpServletRequest;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.servlet.ModelAndView;
@Controller
public class SumController { //POJO형식 -> 순수한 자기만의 클래스 (extends implement 모두 안해줌)
 
 //http://localhost:9090/Chapter06_1/input.do
// @RequestMapping(value="/input.do", method = RequestMethod.GET)  // get방식
// public ModelAndView input() {
//  ModelAndView mav = new ModelAndView();
//  mav.setViewName("/sum/input");
//  return mav;
// }

 //리턴타입이 String이면 문자열이아니라 뷰이름으로 사용된다.
 //뷰이름이 아니라 실제 문자열로 리턴하고 싶을때는 @ResponseBody를 사용함
 @RequestMapping(value="/input.do", method = RequestMethod.GET)  // get방식
 public String input() {
  return "/sum/input";
 }
 
 
 
// @RequestMapping(value="/result.do", method = RequestMethod.GET)  // get방식
// public ModelAndView result() {
//  ModelAndView mav = new ModelAndView();
//  mav.setViewName("/sum/result");
//  return mav;
// }
 
 @RequestMapping(value="/result.do", method = RequestMethod.GET)  // get방식
 public ModelAndView result(@RequestParam int x, int y) {
  
  ModelAndView mav = new ModelAndView();
  mav.addObject("x", x);
  mav.addObject("y", y);
  mav.setViewName("/sum/result");
  return mav;
 }
 
 

}

 

>>>> result.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<%-- ${param.x } + ${param.y } = ${param.x + param.y} --%>
${x } + ${x } = ${x+y }
</body>
</html>


 

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