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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 then" + "<A HREF="/servlet/coreservlets.ShowCookies">n" + "<CODE>ShowCookies</CODE> servlet</A>.n" + "<P>n" + "Three of the cookies are associated only with then" + "current session, while three are persistent.n" + "Quit the browser, restart, and return to then" + "<CODE>ShowCookies</CODE> servlet to verify thatn" + "the three long-lived ones persist across sessions.n" + "</BODY></HTML>"); } } 返回类别: 教程 上一教程: 通过Struts应用MVC设计模型 下一教程: Java Servlet 和 JSP教程（2） 您可以阅读与"jsp源码实例5（cookie）"相关的教程: · JSP源码实例 · jsp源码实例3（获取jsp各种参数） · JSP源码实例3(获取JSP各种参数) · jsp源码实例2（获取表单参数） · JSP源码实例1(输出) |
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