小小游戏 

程序
c.jsp：

<%@ 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 bgcolor = "#930047"><font size = 5>
随机分配给你一个1-100之间的数字，请猜！
<% int i = (int)(Math.random()*100+1); 
session.setAttribute("count",new Integer(0));
session.setAttribute("save",new Integer(i));
%>
<BR><A HREF = "d.jsp">去猜这个数</A>

</font>

</body>
</html>


d.jsp
<%@ 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>
<%@ taglib tagdir="/WEB-INF/tags" prefix="guessNumber"%>
<body bgcolor = cyan>
    <font size=3 color="red"> <% String str = request.getParameter("guessNumber");
if(str==null)
    str="*";
if(str.length()==0)
    str="*";
%> <guessNumber:GuessTag number="<%=str %>" /> 当前猜测的结果是:<%=message %> <% if(message.startsWith("您猜对了")){%>
        <br>
    <a href="c.jsp">重新获得随机数</a> 
    <%} else{ %>
            <form action="" method=post name=form>
            <input type="text" name="guessNumber"> <input type="submit"
                name="送出" name="submit">
        </form> <%}%> </font>
</body>
</html>



GuessTag.tag

<%@ tag language="java" pageEncoding="UTF-8"%>
<%@ attribute name="number" required="true"%>
<%@ variable name-given="message" scope="AT_END"%>
<%
    String mess = "";
    Integer integer = (Integer)session.getAttribute("save");
    int realnumber = integer.intValue();
    int guessNumber = 0;
    boolean boo = true;
    try{
        guessNumber = Integer.parseInt(number);
    }
    catch(Exception e){
        boo = false;
    }
    if(boo){
        if(guessNumber==realnumber){
            int n = ((Integer)session.getAttribute("count")).intValue();
            n=n+1;
            session.setAttribute("count",new Integer(n));
            mess = "您猜对了，这是第"+n+"次猜测";
        }
        else if(guessNumber>realnumber){
            int n = ((Integer)session.getAttribute("count")).intValue();
            n=n+1;
            session.setAttribute("count",new Integer(n));
            mess = "您猜大了，这是第"+n+"次猜测";
        }
        else if(guessNumber<realnumber){
            int n = ((Integer)session.getAttribute("count")).intValue();
            n=n+1;
            session.setAttribute("count",new Integer(n));
            mess = "您猜小了，这是第"+n+"次猜测";
        }
        else if(number.equals("你还没开始猜测")){
            mess = "你还没开始猜测";
        }
        jspContext.setAttribute("message",mess);
    }else
    {
    jspContext.setAttribute("message","请输入你的猜测");
}
%>

 

posted @ 2013-08-20 15:11  最是那一杯红酒  阅读(227)  评论(0)    收藏  举报