記錄

request, response 본문

Web/JSP

request, response

surhommejk 2017. 12. 1. 15:16









request 객체








실습 : html 에서 입력한 정보들을 jsp에서 받아서 출력해보기








test_doRequest.html (정보를 받아서 보내는 page)


<!DOCTYPE html>
<html>
<head>
<meta charset="EUC-KR">
<title>Insert title here</title>
</head>
<body>

    <form action = "test_getRequest.jsp" method="post">
                
        이 름 : <input type = "text" name="name" size = "20"><br/>
        
        아 이 디 : <input type = "text" name="id" size = "20"><br/>
        
        비밀번호 : <input type = "password" name="pw" size = "20"><br/>
        
        취 미 :
        <input type = "checkbox" name="hobby" value="soccer">축구
        <input type = "checkbox" name="hobby" value="cook">요리
        <input type = "checkbox" name="hobby" value="game">게임
        <input type = "checkbox" name="hobby" value="read">독서<br/>
        
        전 공 :
        <input type="radio" name="subject" value="design">디자인
        <input type="radio" name="subject" value="math">수학
        <input type="radio" name="subject" value="eng">영어<br/>
        
        <input type="submit" value="전송">
        <input type="reset" value="초기화">
    
    </form>

</body>
</html>







test_getRequest.jsp (html로부터 정보를 받는 처리)


<%@ page import="java.util.*"%>
<%@ page language="java" contentType="text/html; charset=EUC-KR"
    pageEncoding="EUC-KR"%>
<!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=EUC-KR">
<title>Insert title here</title>
</head>
<body>

    <%!
        String name, id, pw, subject;
        String[] hobby;
    %>

    <%
        request.setCharacterEncoding("euc-kr"); // 받는 측에서 encoding 설정
                                                // 결국 여기서 출력을 해야하니까!
        name = request.getParameter("name");
        id = request.getParameter("id");
        pw = request.getParameter("pw");
        subject = request.getParameter("subject");
        hobby = request.getParameterValues("hobby");

        out.print("이 름 : " + name + "<br/>");
        out.print("아 이 디 : " + id + "<br/>");
        out.print("비밀번호 : " + pw + "<br/>");
        out.print("전공과목 : " + subject + "<br/>");
        out.print("취 미 : " + Arrays.toString(hobby) + "<br/>");
    %>

</body>
</html>

















response 객체







response 실습








<!DOCTYPE html>
<html>
<head>
<meta charset="EUC-KR">
<title>Insert title here</title>
</head>
<body>


    <form action="redirectpage.jsp">
    
        나이는 ? <input type="text" name = "age" size = "5">
        <input type="submit" value="login">
        
    </form>

</body>
</html>


<%@ page language="java" contentType="text/html; charset=EUC-KR"
pageEncoding="EUC-KR"%>
<!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=EUC-KR">
<title>Insert title here</title>
</head>
<body>

<%
    String temp = request.getParameter("age");
    int age = Integer.parseInt(temp);

    if (age >= 20) {
        response.sendRedirect("adult.jsp");
    } else {
        response.sendRedirect("kid.jsp");
    }
%>

</body>
</html>



adult.jsp와 kid.jsp는 너무 간단해서 생략

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