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<%@ page language="java" contentType="text/html; charset=euc-kr"
    pageEncoding="euc-kr"%>
 
<%-- 선언문의 앞에는 !가 붙어야 한다.--%> 
<%!
public int sum() {
    int total=0;
    for(int i=1 ; i<=100 ; i++) {
        total+=i;
    }
    return total;
}
%>
<%
String str = "1부터 100까지의 합 " ;
%>
<!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=UTF-8">
<title>Insert title here</title>
</head>
<body>
 
<%=str %>은<%=sum() %>입니다.<br>
<%=str %>에 3을 곱하면<%=sum()*3 %>입니다.<br>
<%=str %>을 100으로 나누면<%=sum()/1000. %>가 됩니다.<br>
 
</body>
</html>


저작자표시 비영리 변경금지

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<%@ page language="java" contentType="text/html; euc-kr"
    pageEncoding="euc-kr"%>
<%@ page import = "java.util.Calendar" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<%
Calendar c = Calendar.getInstance();
int hour = c.get(Calendar.HOUR_OF_DAY);
int minute = c.get(Calendar.MINUTE);
int second = c.get(Calendar.SECOND);
%>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
현재 시간은 <%=hour %>시 <%=minute %>분 <%=second %>초 입니다.
</body>
</html>


저작자표시 비영리 변경금지

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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>회원가입 예제</title>
</head>
<frameset cols="30%, *">
    <frame src="menu.jsp" name="leftFrame">
    <frame src="login.jsp" name="rightFrame">
</frameset>
<body>
 
</body>
</html>
index.html 파일 : 프레임 셋을 나누는것밖에 의미는 없다.

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<%@ 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">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<form action="login" method="post">
    아이디 : <input type="text" name="id"/><br>
    패스워드 : <input type ="password" name="passwd"/><br>
    <input type="submit" value="로그인"/>
</form>
 
</body>
</html>

login.jsp파일 액션 태그에 login 클래스를 서블릿에서 불러올수 있또록 그리고 포스트로 지정


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<%@ 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">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<%
    String id=(String)session.getAttribute("id");
%>
<body>
<%
    if(id == null) {
%>
<a href="login.jsp" target="rightFrame"/>로그인</a>
<%
    }
    else {
%>
    <%=id %>님 환영합니다.
<%
    }
%>
 
</body>
</html>

menu.jsp파일 선택문으로 성공여부를 알려주는 코드로 작성


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<%@ 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">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<script>top.leftFrame.location.href="menu.jsp"</script>
<body>
로그인 성공
</body>
</html>


loginSuccess.jsp파일 성공했을 시 나타내주는 파일


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import java.io.IOException;
import java.io.PrintWriter;
 
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
 
/**
 * Servlet implementation class LoginSevlet
 */
@WebServlet(name = "login", urlPatterns = { "/login" })
public class LoginSevlet extends HttpServlet {
    private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public LoginSevlet() {
        super();
        // TODO Auto-generated constructor stub
    }
 
    /**
     * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
     */
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        // TODO Auto-generated method stub
        request.setCharacterEncoding("euc-kr");
        response.setContentType("text/html;charset=euc-kr");
        PrintWriter out = response.getWriter();
        
        String id = request.getParameter("id");
        String passwd = request.getParameter("passwd");
        if(id.equals("baduki77")  && passwd.equals("1234s")) {
            HttpSession session = request.getSession();
            session.setAttribute("id", id);
            RequestDispatcher dispatcher = request.getRequestDispatcher("loginSuccess.jsp");
            dispatcher.forward(request, response);
        } else {
            out.println("<script>");
            out.println("alert('아이디나 비밀번호가 일치하지 않습니다.')");
            out.println("history.back()");
            out.println("</script>");
        }
    }
 
}
 

LoginServlet.java : 클래스 이름이 login인것을 확실히 확인하고 선택문을 잘 확인 하기

저작자표시 비영리 변경금지

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<Connector connectionTimeout="20000" port="8080" protocol="HTTP/1.1" redirectPort="8443" 
URIEncoding="euc-kr"/>


마지막 URIEncoding부분을 euc-kr로 추가하면 됨..


doGet방식으로 전달할 경우 

request.setCharacterEncoding("euc-kr"); 을 서블릿 소스로 추가하면 한글로 변환할수 있음

저작자표시 비영리 변경금지

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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Post방식으로 전송법</title>
</head>
<body>
<h1>회원가입</h1>
<form action="memReg" method="post">
    회원명 : <input type="text" name="name"><br>
    주소 : <input type="text" name="addr"><br>
    전화번호 : <input type="text" name="tel"><br>
    취미 : <input type="text" name="hobby"><br>
    <input type="submit" value="확인">
</form>
</body>
</html>

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import java.io.IOException;
import java.io.PrintWriter;
 
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
 
/**
 * Servlet implementation class MemRegServlet
 */
@WebServlet(name = "memReg", urlPatterns = { "/memReg" })
public class MemRegServlet extends HttpServlet {
    private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public MemRegServlet() {
        super();
        // TODO Auto-generated constructor stub
    }
 
    /**
     * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
     */
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        // TODO Auto-generated method stub
        response.setContentType("text/html;charset=euc-kr");
        PrintWriter out = response.getWriter();
        String name = request.getParameter("name");
        String addr = request.getParameter("addr");
        String tel = request.getParameter("tel");
        String hobby = request.getParameter("hobby");
        out.println("이름" + name + "<br>");
        out.println("주소" + addr + "<br>");
        out.println("전화번호" + tel + "<br>");
        out.println("취미" + hobby + "<br>");
    }
 
}
 



저작자표시 비영리 변경금지

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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>겟메소드로 정보 받아오</title>
</head>
<body>
<h1>로그인</h1>
<form action="login" method="get">
    아이디 : <input type="text" name="id" /><br>
    비밀번호 : <input type ="text" name="passwd" /><br>
    <input type="submit" value="로그인"/>    
</form>
</body>
</html>
 


HTML파일에서 로그인으로 액션값을 넘겨주고 메소드는 겟방식으로 넘겨줌.


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import java.io.IOException;
import java.io.PrintWriter;
 
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
 
/**
 * Servlet implementation class LoginServlet
 */
@WebServlet(name = "login", urlPatterns = { "/login" })
public class LoginServlet extends HttpServlet {
    private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public LoginServlet() {
        super();
        // TODO Auto-generated constructor stub
    }
 
    /**
     * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
     */
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        // TODO Auto-generated method stub
        String id = request.getParameter("id");
        String passwd = request.getParameter("passwd");
        response.setContentType("text/html;charset=euc-kr");
        PrintWriter out = response.getWriter();
        out.println("아이디 = " + id + "<br>");
        out.println("패스워드 = " + passwd + "<br>");
    }
 
}
 

서블릿 페이지에서 doGet방식으로 정보를 받아서 프린트 해주는 서블릿 페이지 테스트


저작자표시 비영리 변경금지
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#include <stdio.h>
#include <conio.h>
#include <Windows.h>
#include "color.h"
 
int g_nEngine;
int spd = 0;
 
typedef struct _OPTION_
{
    int nHeadLight;
    int nCDPlayer;
    int nDriverUp;
    int nSunLoop;
    int nSpeedUp;
    int nSpeedDown;
    int nBreak;
} OPTION;
 
void gotoxy(int x, int y)
{
    COORD CursorPosition = {x, y};
    SetConsoleCursorPosition( GetStdHandle( STD_OUTPUT_HANDLE ), CursorPosition);
}
 
// ─│┌ ┐┘└ ├ ┬ ┤ ┤ ◎ ■
 
void CarPrint()
{
    gotoxy(0, 4);
    printf("                        ──\n");
    //    printf("              ───────\n");
    printf("            □              □\n");
    printf("          □                  □\n");
    printf("        □□        □        □    ■\n");
    printf("      □□□□□□□□□□□□□□□■\n");
    printf("    ■□□■■■□□□□■■■□□□□\n");
    printf("    ■□□■■■□□□□■■■□□□□\n");
    printf("          ■■■        ■■■\n");
}
 
void EngineOn()
{
    setColor(RED);
    gotoxy(39, 9);
    printf("=3");
    gotoxy(39, 10);
    printf("=3");
    setColor(WHITE);
}
 
void DriverUp()
{
    setColor(GREEN);
    gotoxy(16, 6);
    printf("＠\n");
    gotoxy(13, 7);
    printf("─/  ＼\n");
    setColor(WHITE);
}
 
void SunLoop()
{
    setColor(WHITE);
    gotoxy(13, 4);
    printf("───────\n");
    setColor(WHITE);
}
 
void HeadLightOn()
{
    setColor(YELLOW);
 
    gotoxy(0, 8);    
    printf("▒\n");
    printf("▒▒●\n");
    printf("▒▒●\n");
    printf("▒\n");
        
    setColor(WHITE);
}
 
void CDPlayerOn()
{
    setColor(LIGHTRED);
    gotoxy(17, 3);
    printf("♬♪~~~");
    setColor(WHITE);
}
 
void Speed() 
{
    if(spd > 0 && spd <50)
    {
        setColor(LIGHTGREEN);
        gotoxy(1,1);
        printf("───");
        setColor(WHITE);
        setColor(LIGHTGREEN);
        gotoxy(3,5);
        printf("─");
        setColor(WHITE);
        setColor(LIGHTGREEN);
        gotoxy(30,3);
        printf("─────");
        setColor(WHITE);
        setColor(LIGHTGREEN);
        gotoxy(40,6);
        printf("─");
        setColor(WHITE);
        setColor(LIGHTGREEN);
        gotoxy(20,2);
        printf("─");
        setColor(WHITE);
    }
    else if(spd >= 50 && spd <100)
    {
        setColor(LIGHTBLUE);
        gotoxy(1,1);
        printf("〓〓〓〓");
        setColor(WHITE);
        setColor(LIGHTBLUE);
        gotoxy(3,5);
        printf("〓");
        setColor(WHITE);
        setColor(LIGHTBLUE);
        gotoxy(30,3);
        printf("〓〓〓〓〓");
        setColor(WHITE);
        setColor(LIGHTBLUE);
        gotoxy(40,6);
        printf("〓");
        setColor(WHITE);
        setColor(LIGHTBLUE);
        gotoxy(20,2);
        printf("〓");
        setColor(WHITE);
    }
    else if(spd >= 100)
    {
        setColor(LIGHTGREEN);
        gotoxy(1,1);
        printf("〓─〓─");
        setColor(WHITE);
        setColor(LIGHTBLUE);
        gotoxy(3,5);
        printf("〓");
        setColor(WHITE);
        setColor(LIGHTGREEN);
        gotoxy(30,3);
        printf("─〓─〓─");
        setColor(WHITE);
        setColor(LIGHTBLUE);
        gotoxy(40,6);
        printf("〓");
        setColor(WHITE);
        setColor(LIGHTGREEN);
        gotoxy(20,2);
        printf("─");
        setColor(WHITE);
    }
    else
    {
        setColor(LIGHTGRAY);
        gotoxy(1,1);
        printf(" ");
        setColor(WHITE);
    }
}
 
void Break()
{
    spd = 0;
}
 
 
void CarStatusPrint (int nHeadLight, int nCDPlayer, int nDriverUp, int nSunLoop, int nSpeedUp, int nSpeedDown, int nBreak)
{
    gotoxy(50, 4);
    printf("[오픈카 상태 상태]");
 
    gotoxy(50, 6);
    printf("엔진 시동(1) :");
    if(g_nEngine)
        printf("On");
    else
        printf("Off");
 
    gotoxy(50, 7);
    printf("운전자 탑승(2) : ");
    if(nDriverUp)
        printf("In");
    else
        printf("Out");
    
    gotoxy(50, 8);
    printf("헤드라이트(3) : ");
    if(nHeadLight)
        printf("On");
    else
        printf("Off");
 
    gotoxy(50, 9);
    printf("CD 플레이어(4) : ");
    if(nCDPlayer)
        printf("On");
    else
        printf("Off");
 
    gotoxy(50, 10);
    printf("썬루프(5) : ");
    if(nSunLoop)
        printf("On");
    else
        printf("Off");
 
    gotoxy(50, 12);
    printf("주행모드(↑,↓) : ");
    if(spd > 0)
        printf("%d km", spd);
    else
        printf("0 km");
 
    gotoxy(50, 13);
    printf("브레이크 작동(0) ");
    if(nBreak)
        printf("On");
    else
        printf("Off");
 
    gotoxy(5, 14);
    printf("프로그램 종료는 q키 입력");
}
 
int main(void)
{
    OPTION sOption;
    int nKey;
 
    sOption.nHeadLight = 0;
    sOption.nCDPlayer = 0;
    sOption.nDriverUp = 0;
    sOption.nSunLoop = 0;
    sOption.nSpeedUp = 0;
    sOption.nSpeedDown = 0;
    sOption.nBreak = 0;
 
    CarPrint();
    CarStatusPrint(sOption.nHeadLight, sOption.nCDPlayer, sOption.nDriverUp, sOption.nSunLoop, sOption.nSpeedUp, sOption.nSpeedDown, sOption.nBreak);
 
    while(1)
    {
        if(_kbhit())
        {
            nKey = _getch();
 
            if(nKey == 'q')
                break;
 
            switch(nKey)
            {
            case '1' :
                if(spd == 0)
                {                
                    g_nEngine = !g_nEngine;
                }
                
                if(!g_nEngine)
                {
                    sOption.nHeadLight = 0;
                    sOption.nCDPlayer = 0;
                    sOption.nDriverUp = 0;
                }                
                break;
            case '2' :
                if(g_nEngine)
                    sOption.nDriverUp = !sOption.nDriverUp;
                break;
            case '3' :
                if(g_nEngine && sOption.nDriverUp)
                    sOption.nHeadLight = !sOption.nHeadLight;
                break;
            case '4' :
                if(g_nEngine && sOption.nDriverUp)
                    sOption.nCDPlayer = !sOption.nCDPlayer;
                break;
            case '5' :
                if(g_nEngine && sOption.nDriverUp)
                    sOption.nSunLoop = !sOption.nSunLoop;
                break;
            case 72 :
                if(g_nEngine && sOption.nDriverUp)
                {
                    spd += 5;
                    if(spd == 0)
                        sOption.nSpeedUp = 0;
                    else
                        sOption.nSpeedUp = 1;
                }
                break;
            case 80 :
                if(g_nEngine && sOption.nDriverUp)
                {
                    spd -= 5;
                    if(spd == 0 || spd <=0)
                    {
                        sOption.nSpeedUp = 0;
                        spd = 0;
                    }
                    else
                        sOption.nSpeedUp = 1;
                }
                break;
            case '0' :
                if(g_nEngine && sOption.nDriverUp)
                {
                    sOption.nSpeedUp = 0;
                    sOption.nBreak = !sOption.nBreak;
                }
                break;
            }
 
            system ("cls");
 
            CarPrint();
            if(g_nEngine)
                EngineOn();
            if(sOption.nHeadLight)
                HeadLightOn();
            if(sOption.nCDPlayer)
                CDPlayerOn();
            if(sOption.nDriverUp)
                DriverUp();
            if(sOption.nSunLoop)
                SunLoop();
            if(sOption.nSpeedUp)
                Speed();
            if(sOption.nSpeedDown)
                Speed();
            if(sOption.nBreak)
                Break();
            CarStatusPrint(sOption.nHeadLight, sOption.nCDPlayer, sOption.nDriverUp, sOption.nSunLoop, sOption.nSpeedUp, sOption.nSpeedDown, sOption.nBreak);
        }
    }
 
    return 0;
}
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