Cookie帮助类

1. package com.sojson.common.utils;
2. 
   
3. import javax.servlet.http.Cookie;
4. import javax.servlet.http.HttpServletRequest;
5. import javax.servlet.http.HttpServletResponse;
7. publicclassCookieUtil{
9. /**
10. * 设置cookie
11. *
12. * @param response
13. * @param name
14. * cookie名字
15. * @param value
16. * cookie值
17. * @param maxAge
18. * cookie生命周期 以秒为单位
19. */
20. publicstaticvoid addCookie(HttpServletResponse response,String name,
21. String value,int maxAge){
22. try{
23. Cookie cookie =newCookie(name, value);
24. if(maxAge>0)
25. cookie.setMaxAge(maxAge);
26. cookie.setPath("/");
27. response.addCookie(cookie);
28. }catch(Exception ex){
29. LoggerUtils.error(CookieUtil.class,"创建Cookies发生异常！", ex);
30. }
31. }
33. /**
34. * 清空Cookie操作 clearCookie
35. *
36. * @param request
37. * @param response
38. * @return boolean
39. * @author JIANG FEI Jun 19, 2014 10:12:17 AM
40. */
41. publicstaticboolean clearCookie(HttpServletRequest request,
42. HttpServletResponse response,String name){
43. boolean bool =false;
44. Cookie[] cookies = request.getCookies();
45. if(null== cookies|| cookies.length==0)return bool;
46. try{
47. for(int i=0; i< cookies.length; i++){
48. Cookie cookie =newCookie(name,null);
49. cookie.setMaxAge(0);
50. cookie.setPath("/");// 根据你创建cookie的路径进行填写
51. response.addCookie(cookie);
52. bool=true;
53. }
54. }catch(Exception ex){
55. LoggerUtils.error(CookieUtil.class,"清空Cookies发生异常！", ex);
56. }
57. return bool;
58. }
60. /**
61. * 清空Cookie操作 clearCookie
62. *
63. * @param request
64. * @param response
65. * @return boolean
66. * @author JIANG FEI Jun 19, 2014 10:12:17 AM
67. */
68. publicstaticboolean clearCookie(HttpServletRequest request,
69. HttpServletResponse response,String name,String domain){
70. boolean bool =false;
71. Cookie[] cookies = request.getCookies();
72. if(null== cookies|| cookies.length==0)return bool;
73. try{
74. for(int i=0; i< cookies.length; i++){
75. Cookie cookie =newCookie(name,null);
76. cookie.setMaxAge(0);
77. cookie.setPath("/");// 根据你创建cookie的路径进行填写
78. cookie.setDomain(domain);
79. response.addCookie(cookie);
80. bool=true;
81. }
82. }catch(Exception ex){
83. LoggerUtils.error(CookieUtil.class,"清空Cookies发生异常！", ex);
84. }
85. return bool;
86. }
88. /**
89. * 获取指定cookies的值 findCookieByName
90. *
91. * @param request
92. * @param name
93. * @return String
94. * @author JIANG FEI Jun 19, 2014 10:22:51 AM
95. */
96. publicstaticString findCookieByName(HttpServletRequest request,
97. String name){
98. Cookie[] cookies = request.getCookies();
99. if(null== cookies|| cookies.length==0)returnnull;
100. Stringstring=null;
101. try{
102. for(int i=0; i< cookies.length; i++){
103. Cookie cookie = cookies[i];
104. String cname = cookie.getName();
105. if(!StringUtils.isBlank(cname)&& cname.equals(name)){
106. string= cookie.getValue();
107. }
109. }
110. }catch(Exception ex){
111. LoggerUtils.error(CookieUtil.class,"获取Cookies发生异常！", ex);
112. }
113. returnstring;
114. }
116. }