[JSP] ch04-01. Cookie

4-1. Cookie

main.html

<!DOCTYPE html>
<html lang="ko">
<head>
<title>Bootstrap</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css">
</head>
<body>
    <p>
        <a href="cookieOut.jsp"><button type="button">쿠키 보기</button></a>
        <a href="cookieGen.jsp"><button type="button">쿠키 생성</button></a>
        <a href="cookieMod.jsp"><button type="button">쿠키 수정</button></a>
        <a href="cookieDel.jsp"><button type="button">쿠키 삭제</button></a>
    </p>
</body>
</html>​

 

cookieOut.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">
<p><a href="main.html"><button type="button">메인으로</button></a></p>
<%
    Cookie[] cookies = request.getCookies();
    for(Cookie cookie:cookies){
        if(cookie.getName().equals("name") || cookie.getName().equals("age")){
%>
        <%=cookie.getName()%>: <%= cookie.getValue()%><br>
<%
        }
    }        
%>

 

cookieGen.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">
<p><a href="main.html"><button type="button">메인으로</button></a></p>
<%
    Cookie cookie1 = new Cookie("name", "john");
    Cookie cookie2 = new Cookie("age", "12");
    response.addCookie(cookie1);
    response.addCookie(cookie2);
%>

 

cookieMod.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">
<p><a href="main.html"><button type="button">메인으로</button></a></p>
<%
    Cookie cookie = new Cookie("age","34");
    response.addCookie(cookie);    
%>

 

cookieDel.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">
<p><a href="main.html"><button type="button">메인으로</button></a></p>
<%
    Cookie cookie = new Cookie("age", "34");
    cookie.setMaxAge(0);
    response.addCookie(cookie);
%>​