[Servlet] Get방식 예제

import java.io.UnsupportedEncodingException;

public class CharConvertion{
    public static String entoko(String en){
        String ko = null;
        try{
            ko = new String(en.getBytes("ISO8859_1"), "KSC5601");
        }catch(UnsupportedEncodingException ex){}
        return ko;
    }
    public static String kotoen(String ko){
        String en = null;
        try{
            en = new String(ko.getBytes("KSC5601"), "ISO8859_1");
        }catch(UnsupportedEncodingException ex){}
        return en;
    }
}

import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class FormTest extends HttpServlet {
    private static final long serialVersionUID = 1L;
    public FormTest() {
        super();
    }
    protected void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
        req.setCharacterEncoding("KSC5601");
        res.setContentType("text/html;charset=KSC5601");

        String name = req.getParameter("username");
        name = CharConvertion.entoko(name);
        String address = req.getParameter("address");
        address = CharConvertion.entoko(address);
        String gender = req.getParameter("gender");
        gender = CharConvertion.entoko(gender);
        String os = req.getParameter("os");
        String array[] = req.getParameterValues("habit");

        PrintWriter out = res.getWriter();
        out.println("<HTML><BODY>");
        out.println("<CENTER>");
        out.println("<H1>설문조사결과</H1>");
        out.println("<HR size=\"2\" color=\"red\" width=\"80%\">");
        out.println("<UL>");
        out.println("<LI>이름 : <FONT size=\"5\">" + name + "</FONT>");
        out.println("<LI>주소 : <FONT size=\"5\">" + address + "</FONT>");
        out.println("<LI>성별 : <FONT size=\"5\">" + gender + "</FONT>");
        out.println("<LI>취미 : <FONT size=\"5\">");
        for(String ha : array){
            out.println(CharConvertion.entoko(ha) + ", ");
        }
        out.println("<LI>OS : <FONT size=\"5\">" + os + "</FONT>");
        out.println("</UL>");
        out.println("</BODY></HTML>");
        out.close();
    }

    protected void doPost(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
        this.doGet(req, res);
    }
}

<HTML>
<HEAD>
<TITLE>설문조사 </TITLE>
<META NAME="Content-Type" CONTENT="text/html;charset=KSC5601">
</HEAD>
<BODY>
<CENTER>
<FORM METHOD="GET" ACTION="FormTest">
    이름 : <INPUT TYPE="text" NAME="username"><BR>
    주소 : <INPUT TYPE="text" NAME="address" size="50"><BR>
    성별 : <INPUT TYPE="radio" NAME="gender" value="남자">남자
              <INPUT TYPE="radio" NAME="gender" value="여자">여자<BR>
    취미 : <INPUT TYPE="checkbox" NAME="habit" VALUE="바둑">바둑
    <INPUT TYPE="checkbox" NAME="habit" VALUE="낚시">낚시
    <INPUT TYPE="checkbox" NAME="habit" VALUE="게임">게임
    <INPUT TYPE="checkbox" NAME="habit" VALUE="꽃꽃이">꽃꽂이
    <INPUT TYPE="checkbox" NAME="habit" VALUE="여행">여행
    <INPUT TYPE="checkbox" NAME="habit" VALUE="음악감상">음악감상<BR>
    사용하는 OS : <SELECT NAME="os">
        <OPTION VALUE="">---선택하세요---</OPTION>
        <OPTION VALUE="Windows XP">Windows XP</Option>
        <OPTION VALUE="Linux Fedora">Linux Fedora</Option>
        <OPTION VALUE="Unix Solaris">Unix Solaris</Option>
        <OPTION VALUE="Macintosh">Macintosh</Option>
    </SELECT><BR>
    <INPUT TYPE="submit" value="전송"> 
    <INPUT TYPE="reset" value="취소">
</FORM>
</CENTER>
</BODY>
</HTML>