가위, 바위, 보 게임
- gameform.jsp : 가위,바위,보 선택 페이지
- Gamepro servlet : 사람 입력 값 받고 컴퓨터 랜덤 값으로 승패계산까지
- gamepr.jsp : 결과 보여줘
<%@ 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="../Gamepro" method="post">
<select name="you">
<option value="1">가위</option>
<option value="2">바위</option>
<option value="3">보</option>
</select>
<input type="submit" value="선택"/>
</form>
</body>
</html>
package test.servlet;
import java.io.IOException;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class Gamepro extends HttpServlet {
@Override
protected void service(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
int you = Integer.parseInt(request.getParameter("you"));
int com = (int) (Math.random()*3)+1;
String strYou = strRSP(you);
String strCom = strRSP(com);
String strWin = youWin(you,com);
request.setAttribute("strYou", strYou);
request.setAttribute("strCom", strCom);
request.setAttribute("strWin", strWin);
RequestDispatcher dispatcher = request.getRequestDispatcher("/basic/gamepro.jsp");
dispatcher.forward(request, response);
}
protected String youWin(int you, int com){
/* String strRtn = "";
if (you == com){
strRtn = "비겼습니다.";
} else if (you==1) {
if (com == 2) strRtn = "당신의 패배";
else strRtn = "당신의 승리";
}else if (you==2) {
if (com == 3) strRtn = "당신의 패배";
else strRtn = "당신의 승리";
}else {
if (com == 1) strRtn = "당신의 패배";
else strRtn = "당신의 승리";
}
return strRtn;*/
switch(((you-com)+3)%3){
case 0: return "비겼습니다";
case 1: return "당신의 승리";
case 2: return "당신의 패배";
default: return "오류";
}
}
protected String strRSP(int num){
String rtnStr = "";
if (num == 1)
rtnStr = "가위";
else if(num==2)
rtnStr = "바위";
else
rtnStr = "보";
return rtnStr;
}
}
<servlet> <servlet-name>Gamepro</servlet-name> <servlet-class>test.servlet.Gamepro</servlet-class> </servlet> <servlet-mapping> <servlet-name>Gamepro</servlet-name> <url-pattern>/Gamepro</url-pattern> </servlet-mapping>
<%@ 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>
You : ${strYou}<br/>
Com : ${strCom}<br/>
${strWin}
</body>
</html>
