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Controller
package com.app.test;
import javax.servlet.http.HttpSession;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
@Controller
public class TestController {
@RequestMapping(value = "xxx", method = RequestMethod.GET)
public String loginForm(LoginDTO dto) {
System.out.println("login - loginForm - GET" + dto);
return "loginForm";
}
@RequestMapping(value = "/login", method = RequestMethod.GET)
public String login1(LoginDTO dto) {
System.out.println("login1 - loginForm - GET" + dto);
return "login";
}
//post 방식 한글 처리 --> filter 처리 web.xml에서 처리함
@RequestMapping(value = "/login", method = RequestMethod.POST)
public String login2(LoginDTO dto, HttpSession session) { //자동으로 request.SetAttribute("loginDTO", "dto")
System.out.println("login2 - loginForm - POST" +dto);
session.setAttribute("login", dto);
return "login"; //자동으로 데이터 fowarding
}
}
web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee https://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
<!-- The definition of the Root Spring Container shared by all Servlets and Filters -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/spring/root-context.xml</param-value>
</context-param>
<!-- Creates the Spring Container shared by all Servlets and Filters -->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!-- Processes application requests -->
<servlet>
<servlet-name>appServlet</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/spring/appServlet/servlet-context.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>appServlet</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
<!-- post 한글 처리 -->
<filter>
<filter-name>filter</filter-name>
<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
<init-param>
<param-name>encoding</param-name>
<param-value>utf-8</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>filter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
</web-app>
login_jsp
<%@page import="com.app.test.LoginDTO"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
out.print:
<%
LoginDTO dto = (LoginDTO)request.getAttribute("loginDTO");
String name = dto.getUserid();
out.print(name);
%><br>
request.getAttribute: <%= dto %><br>
scope: ${sessionScope.login} / ${sessionScope.login.userid} / ${sessionScope.login.passwd}<br>
el태그: ${login} / ${login.userid} / ${login.passwd}
</body>
</html>
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