首页 > 代码库 > java web 程序---猜数字游戏

java web 程序---猜数字游戏

思路:1.第一个是随机产生的数字,告诉我们去猜  cai.jsp

   2.第二个是一个form表单,提交按钮后,将连接到验证页面 test1.jsp

   3.第三个是比较猜的数和随机数。对了,提示再玩一次,不对则继续猜。用一个超链接 test2.jsp

老师的思路越来越难搞了。怎么写啊,用到hashMap时候

  

  cai.jsp

?
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
<%@ page language="java" import="java.util.*" pageEncoding="gb2312"%>
 
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
 
     
    <title>My JSP ‘cai.jsp‘ starting page</title>
     
    <meta http-equiv="pragma" content="no-cache">
    <meta http-equiv="cache-control" content="no-cache">
    <meta http-equiv="expires" content="0">   
    <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
    <meta http-equiv="description" content="This is my page">
    <!--
    <link rel="stylesheet" type="text/css" href=http://www.mamicode.com/"styles.css">
    -->
 
  </head>
   
  <body>
   <%
            int number=(int)(Math.random()*100);
            session.setAttribute("number",number);
    %>
    <a href=http://www.mamicode.com/"test1.jsp"> 去猜数字---》》开始</a>
  </body>
</html>

  test1.jsp 

?
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
<%@ page language="java" import="java.util.*" pageEncoding="gb2312"%>
 
 
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
   
     
    <title>My JSP ‘test1.jsp‘ starting page</title>
     
    <meta http-equiv="pragma" content="no-cache">
    <meta http-equiv="cache-control" content="no-cache">
    <meta http-equiv="expires" content="0">   
    <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
    <meta http-equiv="description" content="This is my page">
    <!--
    <link rel="stylesheet" type="text/css" href=http://www.mamicode.com/"styles.css">
    -->
 
  </head>
   
  <body>
    <form action="test2.jsp">
    <input type="text" name="guess"/>
    <input type="submit" value=http://www.mamicode.com/"guess"/>
     
     
     
    </form>
  </body>
</html>

  test2.jsp

?
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
<%@ page language="java" import="java.util.*" pageEncoding="gb2312"%>
 
 
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
 
     
    <title>My JSP ‘test2.jsp‘ starting page</title>
     
    <meta http-equiv="pragma" content="no-cache">
    <meta http-equiv="cache-control" content="no-cache">
    <meta http-equiv="expires" content="0">   
    <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
    <meta http-equiv="description" content="This is my page">
    <!--
    <link rel="stylesheet" type="text/css" href=http://www.mamicode.com/"styles.css">
    -->
 
  </head>
   
  <body>
 <%
        Integer str1=(Integer)session.getAttribute("number");
        String str2=request.getParameter("guess");
        int num1=Integer.valueOf(str1);
        int num2=Integer.parseInt(str2);
        if(num1==num2){
            out.print("您猜对了---再玩一次 <a href=http://www.mamicode.com/‘test1.jsp‘>guess");
        }else if(num1>num2){
         out.print("您猜小了---<a href=http://www.mamicode.com/‘test1.jsp‘>guess");
        }else{
        out.print("您猜大了---<a href=http://www.mamicode.com/‘test1.jsp‘>guess");
        }
     
     
  %>
  </body>
</html>