Cookie工具类，提供Cookie的创建、获取、删除方法。

 

源码如下：(点击下载 - )

1 import javax.servlet.http.Cookie; 2 import javax.servlet.http.HttpServletRequest; 3 import javax.servlet.http.HttpServletResponse; 4  5 /** 6  * Cookie工具类 7  *  8  */ 9 public class CookieUtil {10 11     private CookieUtil() {12     }13 14     /**15      * 添加cookie16      * 17      * @param response18      * @param name19      * @param value20      * @param maxAge21      */22     public static void addCookie(HttpServletResponse response, String name, String value, int maxAge) {23         Cookie cookie = new Cookie(name, value);24         cookie.setPath("/");25         if (maxAge > 0) {26             cookie.setMaxAge(maxAge);27         }28         response.addCookie(cookie);29     }30 31     /**32      * 删除cookie33      * 34      * @param response35      * @param name36      */37     public static void removeCookie(HttpServletResponse response, String name) {38         Cookie uid = new Cookie(name, null);39         uid.setPath("/");40         uid.setMaxAge(0);41         response.addCookie(uid);42     }43 44     /**45      * 获取cookie值46      * 47      * @param request48      * @return49      */50     public static String getUid(HttpServletRequest request,String cookieName) {51         Cookie cookies[] = request.getCookies();52         for (Cookie cookie : cookies) {53             if (cookie.getName().equals(cookieName)) {54                 return cookie.getValue();55             }56         }57         return null;58     }59 }