📄 guessnumber.jsp
字号:
<%@ page language="java" %>
<%@ page session="true" %>
<%@ page contentType="text/html; charset=gb2312" %>
<%@ page import="java.lang.*" %>
<%@ page import="java.util.*" %>
<%@ include file="Guess.jsp" %>
<%
Vector history=(Vector)session.getValue( "HISTORY" ) ;
String answerNum=(String)session.getValue( "ANSWER" ) ; ;
String guessNum=null ;
String message=null ;
boolean gameOver=false ;
if( history==null || answerNum==null ) {
history=new Vector() ;
answerNum=randNum() ;
session.putValue( "HISTORY", history ) ;
session.putValue( "ANSWER", answerNum ) ;
}
else {
guessNum=request.getParameter( "guess_number" ) ;
int[] result=checkNumber( guessNum, answerNum ) ;
message=getMessage( result ) ;
if( result[0]==0 )
gameOver=true ;
else if( history.size()>=7 ) {
gameOver=true ;
message+=" ....,游戏结束,正确答案是:"+answerNum ;
}
history.insertElementAt( message, 0 ) ;
session.putValue( "ANSWER", answerNum ) ;
}
if( gameOver ) {
session.removeValue( "HISTORY" ) ;
session.removeValue( "ANSWER" ) ;
}
%>
<html>
<title>
猜数字游戏
</title>
<body bgcolor="silver">
<CENTER>
<FONT SIZE=5 COLOR=BLUE>猜数字游戏</FONT>
</CENTER>
<BR>
<HR>
<BR>
<CENTER>
<FONT SIZE=5 COLOR=RED>猜数字游戏，您只有八次机会</FONT>
</CENTER>
<form name="form1" method="get" action="GuessNumber.jsp" >
请输入4位数字
<input type="text" name="guess_number" size="4" maxlength="4" >
<input type="submit" name="submit" value="确认" >
</form>
<%
int i=history.size() ;
for( Enumeration e=history.elements() ; e.hasMoreElements() ; ) {
%>
第<%=i %>次： <%=(String)e.nextElement() %><br>
<%
i-- ;
}
if( gameOver ) {
%>
<form name="form2" method="get" action="GuessNumber.jsp" >
<center><input type="submit" name="submit" value="继续" ></center>
</form>
<%
}
%>
</body>
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