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锁定老帖子 主题：用JSP做一个简单的猜数游戏
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发表时间：2007-11-06
首页 start.jsp
<?xml version="1.0" encoding="UTF-8" ?> <%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> <title>Insert title here</title> </head> <body> <form name="fo" mothod="post" action="chuli.jsp"> <h1>猜数游戏</h1> <h3>请输入1到100的数字：</h3> <input type="text" name="text"> <script language="javascript"> document.fo.text.focus();</script> <input type="submit" name="submit" value="提交"> <% String error=(String)request.getAttribute("bag"); String rige=(String)request.getAttribute("ww"); String fger=(String)request.getAttribute("noter"); if(error!=null){%> <table><tr><td><%=error %></td></tr></table> <%} if(rige!=null){ %> <table><tr><td><%=rige%></td></tr></table> <% } if(fger!=null){ %> <table><tr><td><%=fger %></td></tr></table> <% } %> </body> </html> 第二个页面 chuli.jsp <?xml version="1.0" encoding="UTF-8" ?> <%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> <title>Insert title here</title> </head> <body> <%! int randoma=0; int coun=0; int ie=0; %> <% try{ String str=request.getParameter("text"); int n=Integer.parseInt(str); if(ie==0) { randoma=(int)(Math.random()*100)+1; ie++; } System.out.println("随机"+randoma);//测试********* System.out.println("猜数"+n); if(n>randoma){ request.setAttribute("bag","您猜的数大了"); coun++; String connn="您猜了"+coun+"次"; request.setAttribute("ww",connn); pageContext.forward("start.jsp"); } if(n<randoma){ request.setAttribute("bag","您猜的数小了"); coun++; String connn="您猜了"+coun+"次"; request.setAttribute("ww",connn); pageContext.forward("start.jsp"); } if(n==randoma){ coun++; String connn="您猜了"+coun+"次"; request.setAttribute("ww",connn); ie=0; coun=0; %> <h1>恭喜你猜对了！！！</h1> <img src="imag/q.gif"> <h3>你还想<a href="start.jsp">再来一次</a>吗？</h3> <% } }catch(NumberFormatException e) { request.setAttribute("noter", "您输入的不合法请重新输入"); pageContext.forward("start.jsp"); } %> </body> </html> 声明：ITeye文章版权属于作者，受法律保护。没有作者书面许可不得转载。
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