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

<%@ 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="styles.css">
	-->

  </head>
  
  <body>
   <%
   			int number=(int)(Math.random()*100);
   			session.setAttribute("number",number);
    %>
    <a href="test1.jsp"> 去猜数字---》》开始</a>
  </body>
</html>

  test1.jsp 

<%@ 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="styles.css">
	-->

  </head>
  
  <body>
    <form action="test2.jsp">
    <input type="text" name="guess"/>
    <input type="submit" value="guess"/>
    
    
    
    </form>
  </body>
</html>

  test2.jsp

<%@ 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="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='cai.jsp'>guess</a>");
 		}else if(num1>num2){
 		 out.print("您猜小了---<a href='test1.jsp'>guess</a>");
 		}else{
 		out.print("您猜大了---<a href='test1.jsp'>guess</a>");
 		}
 	
 	
  %>
  </body>
</html>

  

原文地址:https://www.cnblogs.com/langlove/p/3706300.html