WEB/JSP
[JSP] JSP forward
다콩잉
2022. 9. 19. 17:01
forward: 웹 컨테이너 차원의 페이지 이동, 웹 브라우저는 다른 페이지로 이동했음을 알 수 없고,
브라우저에 최초 호출한 URL이 표시(https://mangobab.tistory.com/16)
- 최초 요청 (클라이언트 -> request -> URL 1)
- forward (URL 1 -> forward -> URL 2)
- 응답 (URL 2 -> response -> 클라이언트)
page_control.jsp
<%--
Created by IntelliJ IDEA.
User: UserK
Date: 2022-09-19
Time: 오후 3:52
To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>Title</title>
</head>
<body>
<jsp:forward page="forward_action3.jsp">
<jsp:param name="tel" value="010-0000-0000"/>
</jsp:forward>
</body>
</html>
page_control.jsp(이름 입력 페이지)
<%--
Created by IntelliJ IDEA.
User: UserK
Date: 2022-09-19
Time: 오후 3:50
To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>Title</title>
</head>
<body>
<h2>forward, sendRedirect 테스트</h2>
<hr>
<form method="post" action="forward_action2.jsp">
forward action : <input type="text" name="username">
<input type="submit" value="확인">
</form>
</body>
</html>
forward_action2.jsp(forward 방식)
<%--
Created by IntelliJ IDEA.
User: UserK
Date: 2022-09-19
Time: 오후 3:52
To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>Title</title>
</head>
<body>
<jsp:forward page="forward_action3.jsp">
<jsp:param name="tel" value="010-0000-0000"/>
</jsp:forward>
</body>
</html>
forward_action3.jsp(include 방식)
<%--
Created by IntelliJ IDEA.
User: UserK
Date: 2022-09-19
Time: 오후 3:52
To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>Title</title>
</head>
<body>
<jsp:include page="forward_action3.jsp">
<jsp:param name="name" value='<%=request.getParameter("name")%>'/>
<jsp:param name="tel" value="010-0000-0000"/>
</jsp:include>
</body>
</html>
forward_action3.jsp
<%--
Created by IntelliJ IDEA.
User: UserK
Date: 2022-09-19
Time: 오후 3:52
To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>Title</title>
</head>
<body>
<center>
<h2>forward action 및 sendRedirect() 결과</h2>
<hr>
지금 보이는 화면은 forward_action3.jsp 에서 출력한 결과 입니다.
<hr>
이름 : <%=request.getParameter("username")%>
번호 : <%=request.getParameter("tel")%>
</center>
</body>
</html>
page_control.jsp
<%--
Created by IntelliJ IDEA.
User: UserK
Date: 2022-09-19
Time: 오후 3:50
To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>Title</title>
</head>
<body>
<h2>forward, sendRedirect 테스트</h2>
<hr>
<form method="post" action="forward_action2.jsp">
forward action : <input type="text" name="username">
<input type="submit" value="확인">
</form>
</body>
</html>forward_action2.jsp
<%--
Created by IntelliJ IDEA.
User: UserK
Date: 2022-09-19
Time: 오후 3:52
To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>Title</title>
</head>
<body>
<jsp:forward page="forward_action3.jsp">
<jsp:param name="tel" value="010-0000-0000"/>
</jsp:forward>
</body>
</html>forward_action3.jsp
<%--
Created by IntelliJ IDEA.
User: UserK
Date: 2022-09-19
Time: 오후 3:52
To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>Title</title>
</head>
<body>
<jsp:forward page="forward_action4.jsp">
<jsp:param name="tel" value="010-0000-0000"/>
</jsp:forward>
</body>
</html>forward_action4.jsp
<%--
Created by IntelliJ IDEA.
User: UserK
Date: 2022-09-19
Time: 오후 3:52
To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>Title</title>
</head>
<body>
<center>
<h2>forward action 및 sendRedirect() 결과</h2>
<hr>
지금 보이는 화면은 forward_action4.jsp 에서 출력한 결과 입니다.
<hr>
이름 : <%=request.getParameter("username")%>
번호 : <%=request.getParameter("tel")%>
</center>
</body>
</html>
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