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1、编号：SC软件技术国家教学资源库建设项目——软件开发素材之JSP源代码一、功能简介使用Cookie制作站点计数器。二、创建或搜集相关信息搜集单位：湖南铁道职业技术学院搜集时间：2012-12-07来源：互联网三、适用对象学生、教师、Java及Javaweb项目开发人员、相关技术人员等。四、程序代码程序名称：cookiedemo.jsp<%@pagecontentType="text/html;charset=GB2312"import="java.util.Date"%>
Cookie应用演示</title</p><p>2、></head><body><%CookiethisCookie=null;booleancookieFound=false;//从请求获取cooliesCookie[]cookies=request.getCookies();if(cookies!=null){for(inti=0;i<cookies.length;i++){thisCookie=cookies[i];//检查是否存在CookieCount数据if(thisCookie.getName().equals("CookieCount")){cookieFound=true;br</p><p>3、eak;}}}//输出页面out.println("<center><h1>Cookie计数器</h1></center>");//显示客户端详细信息,是否存在计数器cookieif(cookieFound){//获取cookie的值,并加1intcookieCount=Integer.parseInt(thisCookie.getValue());cookieCount++;out.println("<fontcolor=bluesize=+1>");out.println("<p>这是1分钟内第<B>"+cookieCount+"</B></p><p>4、次访问本页");//设置cookie的新值,加到相应对象中thisCookie.setValue(String.valueOf(cookieCount));thisCookie.setMaxAge(60*1);response.addCookie(thisCookie);}if(cookieFound==false){out.println("<fontcolor=bluesize=+1>");out.println("<p>你在近1分种没有访问过此页,现在是第1次访问此页");//创建新的Cookie并设置它的存活期thisCookie</p><p>5、=newCookie("CookieCount","1");thisCookie.setMaxAge(60*1);//在response对象中加入cookieresponse.addCookie(thisCookie);}%></BODY></HTML>五、运行结果图1运行结果</p> </div>
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