package game;
public class GuessNumber {
//系統隨機生成一個數
int answer=0;
//用戶猜的數
int guessNumber=0;
//用戶猜的次 數
int guessCount=0;
String result=null;
boolean right=false;
public void setAnswer(int answer){
this.answer=answer;
guessCount=0;
}
public int getAnswer(){
return answer;
}
public int getGuessNumber() {
return guessNumber;
}
public void setGuessNumber(int guessNumber) {
this.guessNumber = guessNumber;
guessCount++;
if(guessNumber==answer)
{ result="恭喜你猜對了！";
right=true;
}
else if(guessNumber>answer)
{
result="不好意思你猜大了！";
right=false;
}
else if(guessNumber<answer)
{
result="不好意思你猜小了！";
right=false;
}
else if(this.answer==-1||this.answer>100)
{
result="請輸入1~100的整數！";
right=false;
}
}
public int getGuessCount() {
return guessCount;
}
public void setGuessCount(int guessCount) {
this.guessCount = guessCount;
}
public String getResult() {
return result;
}
public void setResult(String result) {
this.result = result;
}
public boolean isRight() {
return right;
}
public void setRight(boolean right) {
this.right = right;
}
}
<%//getNumber.jsp%>
<%@ page language="java" import="java.util.Random" pageEncoding="UTF-8"%>
<%@ page contentType="text/html"%>
<html>
<head>
<title>系統將隨機生成一個數</title>
<meta http-equiv="Content-Type" content="text/html;charset="utf-8">
</head>
<body>
<jsp:useBean id="guess" class="game.GuessNumber" scope="session"/>
<%
//實例化一個對象，該對象可以產生隨機數
Random randomNumbers=new Random();
int answer=1+randomNumbers.nextInt(100);
String str=response.encodeRedirectURL("guess.jsp");
%>
<jsp:setProperty name="guess" property="answer" value="<%=answer%>"/>
<h3>隨系統隨機生成了一個1到100之間的整數，請猜是什么數？</h3>
<hr>
<form action="<%=str%>"method="get">
輸入你猜的數：<input type="text"name="guessNumber">
<input type="submit"value="提交">
</form>
</body>
</html>
<%guess.jsp%>
<%@ page contentType="text/html" pageEncoding="UTF-8"%>
<html>
<head>
<title>猜的結果</title>
<meta http-equiv="Content-Type" content="text/html;charset="utf-8">
</head>
<body>
<jsp:useBean id="guess" class="game.GuessNumber" scope="session"/>
<%
String strGuess=response.encodeRedirectURL("guess.jsp");
String strGetNumber=response.encodeRedirectURL("getNumber.jsp");
%>
<hr>
<jsp:setProperty name="guess" property="guessNumber" param="guessNumber"/>
這是第<jsp:getProperty name="guess" property="guessCount"/>次猜。
<jsp:getProperty name="guess" property="result"/>
你猜的數是<jsp:getProperty name="guess" property="guessNumber"/>。
<%
if(guess.isRight()==false)
{%>
<form action="<%=strGuess%>"method="get">
請再猜一次：<input type="text"name="guessNumber">
<input type="submit"value="提交">
</form>
<%
}
%>
<hr>
<a href="<%=strGetNumber %>">重新開始猜數</a>
</body>
</html>
