Java¶Áдcookie

ת×Ô£ºhttp://www.blogjava.net/action/archive/2007/04/10/109574.html
         http://www.javaeye.com/topic/232662
1.ÉèÖÃCookie
1Cookie cookie = new Cookie("key", "value");
2cookie.setMaxAge(60); //ÉèÖÃ60ÃëÉú´æÆÚ£¬Èç¹ûÉèÖÃΪ¸ºÖµµÄ»°£¬ÔòΪä¯ÀÀÆ÷½ø³ÌCookie£¨ÄÚ´æÖб£´æ£©£¬¹Ø±Õä¯ÀÀÆ÷¾ÍʧЧ¡£
3cookie.setPath("/test/test2"); //ÉèÖÃCookie·¾¶£¬²»ÉèÖõĻ°Îªµ±Ç°Â·¾¶£¨¶ÔÓÚServletÀ´ËµÎªrequest.getContextPath() + web.xmlÀïÅäÖõĸÃServletµÄurl-pattern·¾¶²¿·Ö£©
4response.addCookie(cookie);
/*
 * дcookie
*/
Cookie namecookie = new Cookie("name",name);
Cookie passwordcookie = new Cookie("password",password);
Cookie optioncookie = new Cookie("option","1");
//ÉúÃüÖÜÆÚ    
namecookie.setMaxAge(60*60*24*365);
passwordcookie.setMaxAge(60*60*24*365);
optioncookie.setMaxAge(60*60*24*365);
    
response.addCookie(namecookie);
response.addCookie(passwordcookie); 
response.addCookie(optioncookie); 
 2.¶ÁÈ¡Cookie
11//¸Ã·½·¨¿ÉÒÔ¶ÁÈ¡µ±Ç°Â·¾¶ÒÔ¼°“Ö±½Ó¸¸Â·¾¶”µÄËùÓÐCookie¶ÔÏó£¬Èç¹ûûÓÐÈκÎCookieµÄ»°£¬Ôò·µ»Ønull
22Cookie[] cookies = request.getCookies();
/*
 * ¶Ácookie
*/
Cookie[] cookies = request.getCookies();
if(cookies!=null)
{
    String name = "";
    String password = "";
    String option = "";
    for (int i = 0; i < cookies.length; i++)
    {
       Cookie c = cookies[i];     
       if(c.getName().equalsIgnoreCase("name"))
       {
          name = c.getValue();
        }
        else if(c.getName().equalsIgnoreCase("password"))
   &nbs