当前位置: 首页 > 图文教程 > 网络编程 > JSP > jsp源码实例5(cookie)

JSP
客户端界面中可视化的实现树形框架的设计
Win2000下JBoss开发环境配置
调试处理系统核心文件
Matrix java 大讲坛 之 可用性与人机界面
JMX调试----第三方工具使访问更加容易
用BSF如何在Java中嵌入javascript以及如何在javascript中
再次提醒\" 请不要做浮躁的人\"
从Coding Fan到真正的技术专家(cjsdn)
数据库BEAN:RESIN连接池
基于Java的Web服务器工作原理(一)
XDE中模式驱动的设计与开发(三)
页面流(Page flow)表单验证
高级页面流(Page flow):嵌套、异常处理和 Global.app
请不要做浮躁的人(ZT-必读)
解决日期选择问题,一劳永逸(使用Decorator模式实现日期选择组件)(二)
解决日期选择问题,一劳永逸(使用Decorator模式实现日期选择组件)(三)
解决日期选择问题,一劳永逸(使用Decorator模式实现日期选择组件)(四)
解决日期选择问题,一劳永逸(使用Decorator模式实现日期选择组件)(五)
EJB技术之旅(一)
MVC渐行渐进(二)

JSP 中的 jsp源码实例5(cookie)


出处:互联网   整理: 软晨网(RuanChen.com)   发布: 2009-09-13   浏览: 76 ::
收藏到网摘: n/a

package coreservlets;
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
/** Sets six cookies: three that apply only to the current
* session (regardless of how long that session lasts)
* and three that persist for an hour (regardless of
* whether the browser is restarted).
* <P>
* Taken from Core Servlets and JavaServer Pages
* from Prentice Hall and Sun Microsystems Press,
* http://www.coreservlets.com/.
* © 2000 Marty Hall; may be freely used or adapted.
*/
public class SetCookies extends HttpServlet {
public void doGet(HttpServletRequest request,
HttpServletResponse response)
throws ServletException, IOException {
for(int i=0; i<3; i++) {
// Default maxAge is -1, indicating cookie
// applies only to current browsing session.
Cookie cookie = new Cookie("Session-Cookie-" + i,
"Cookie-Value-S" + i);
response.addCookie(cookie);
cookie = new Cookie("Persistent-Cookie-" + i,
"Cookie-Value-P" + i);
// Cookie is valid for an hour, regardless of whether
// user quits browser, reboots computer, or whatever.
cookie.setMaxAge(3600);
response.addCookie(cookie);
}
response.setContentType("text/html");
PrintWriter out = response.getWriter();
String title = "Setting Cookies";
out.println
(ServletUtilities.headWithTitle(title) +
"<BODY BGCOLOR=\"#FDF5E6\">\n" +
"<H1 ALIGN=\"CENTER\">" + title + "</H1>\n" +
"There are six cookies associated with this page.\n" +
"To see them, visit the\n" +
"<A HREF=\"/servlet/coreservlets.ShowCookies\">\n" +
"<CODE>ShowCookies</CODE> servlet</A>.\n" +
"<P>\n" +
"Three of the cookies are associated only with the\n" +
"current session, while three are persistent.\n" +
"Quit the browser, restart, and return to the\n" +
"<CODE>ShowCookies</CODE> servlet to verify that\n" +
"the three long-lived ones persist across sessions.\n" +
"</BODY></HTML>");
}
}