package game;
public class GuessNumber {
//系统随机生成一个数
int answer=0;
//用户猜的数
int guessNumber=0;
//用户猜的次 数
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="恭喜你猜对了！";
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="请输入1~100的整数！";
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>系统将随机生成一个数</title>
<meta http-equiv="Content-Type" content="text/html;charset="utf-8">
</head>
<body>
<jsp:useBean id="guess" class="game.GuessNumber" scope="session"/>
<%
//实例化一个对象，该对象可以产生随机数
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>随系统随机生成了一个1到100之间的整数，请猜是什么数？</h3>
<hr>
<form action="<%=str%>"method="get">
输入你猜的数：<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>猜的结果</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"/>
这是第<jsp:getProperty name="guess" property="guessCount"/>次猜。
<jsp:getProperty name="guess" property="result"/>
你猜的数是<jsp:getProperty name="guess" property="guessNumber"/>。
<%
if(guess.isRight()==false)
{%>
<form action="<%=strGuess%>"method="get">
请再猜一次：<input type="text"name="guessNumber">
<input type="submit"value="提交">
</form>
<%
}
%>
<hr>
<a href="<%=strGetNumber %>">重新开始猜数</a>
</body>
</html>
