一个操作cookie的javabean

一个操作cookie的javabean

作者：海仔　时间:2003-4-22

package org.rautinee.util; import java.io.*; import java.net.*; import java.beans.*; import java.util.*; import javax.servlet.*; import javax.servlet.http.*; public class MagCookie extends HttpServlet{ /* 添加一个cookie cookieName -- cookie的名称 cookieValue -- cookie的值 */ public void addCookie(HttpServletResponse res, String cookieName, String cookieValue,int cookieMaxAge) { try { Cookie c = new Cookie(cookieName, cookieValue); c.setMaxAge(cookieMaxAge); res.addCookie(c); } catch (Exception ex) { System.err.print(ex.getMessage()); } } public String getCookieValue(HttpServletRequest req,String cookieName) { String cookieValue=""; try { Cookie c[]=req.getCookies(); for (int n=0;n<c.length;n++) { if (c[n].getName().equals(cookieName)) { cookieValue=c[n].getValue(); } } } catch (Exception ex) { System.err.print(ex.getMessage()); } return cookieValue; } }