Cookie对象工具包，对象添加，获取，修改-亲测可用

 1 package com.rick.framework.utils;
 2 
 3 import java.util.HashMap;
 4 import java.util.Map;
 5 
 6 import javax.servlet.http.Cookie;
 7 import javax.servlet.http.HttpServletRequest;
 8 import javax.servlet.http.HttpServletResponse;
 9 
10 /**
11  * CookiesUtil.java
12  * @author Rick
13  * 2016 2016年5月2日 下午8:59:00
14  * name&path : 建议采用【常量】定义
15  */
16 public class CookiesUtil {
17     
18     /**
19      * 添加Cookie对象
20      * @param response 请求
21      * @param name 名称
22      * @param value 内容
23      * @param path 路径
24      * @param expiry 有效时间(秒)
25      * @return
26      */
27     public static boolean setCookie(HttpServletResponse response, String name, String value, String path, int expiry) {
28         Cookie cookie = new Cookie(name, value);
29         cookie.setMaxAge(expiry);// Cookie有效时间(秒)：-1关闭浏览器失效，0立即失效，大于1为具体时间
30         cookie.setPath(path);
31         response.addCookie(cookie);
32 
33         return false;
34     }
35     
36     
37     /**
38      * 根据名字获取cookie
39      * @param request
40      * @param name 名称
41      * @param path 路径
42      * @return
43      */
44     public static Cookie getCookieByName(HttpServletRequest request, String name,String path) {
45         Map<String, Cookie> cookieMap = ReadCookieMap(request);
46         if (cookieMap.containsKey(name)) {
47             Cookie cookie = (Cookie) cookieMap.get(name);
48             return cookie;
49         } else {
50             return null;
51         }
52     }
53 
54     /**
55      * 移除客户端Cookie对象
56      * @param request 请求
57      * @param response 响应
58      * @param name 名称
59      * @param path 路径
60      * @return
61      */
62     public static boolean removeCookie(HttpServletRequest request,HttpServletResponse response,String name,String path){
63         //-- 清除客户端Cookie
64         try {
65             Cookie cookie = CookiesUtil.getCookieByName(request, name, path);
66             if(cookie!=null){
67                 cookie.setMaxAge(0);
68                 cookie.setPath(path);
69                 cookie.setValue(null);
70                 response.addCookie(cookie);
71                 return true;
72             }
73         } catch (Exception e) {}
74         return false;
75     }
76     
77     /**
78      * 将cookie封装到Map里面
79      * 
80      * @param request
81      * @return
82      */
83     private static Map<String, Cookie> ReadCookieMap(HttpServletRequest request) {
84         Map<String, Cookie> cookieMap = new HashMap<String, Cookie>();
85         Cookie[] cookies = request.getCookies();
86         if (null != cookies) {
87             for (Cookie cookie : cookies) {
88                 cookieMap.put(cookie.getName(), cookie);
89             }
90         }
91         return cookieMap;
92     }
93     
94 }