在客户端创建一个username的cookies,其值为gjy,有效期为1天.
方法1:
Response.Cookies["username"].Value="zxf";
Response.Cookies["username"].Expires=DateTime.Now.AddDays(1);

方法2:
System.Web.HttpCookie newcookie=new HttpCookie("username");
newcookie.Value="gjy";
newcookie.Expires=DateTime.Now.AddDays(1);
Response.AppendCookie(newcookie);


创建带有子键的cookies:
System.Web.HttpCookie newcookie=new HttpCookie("user");
newcookie.Values["username"]="zxf";
newcookie.Values["password"]="111";
newcookie.Expires=DateTime.Now.AddDays(1);
Response.AppendCookie(newcookie);

1. cookies的读取:
   
2. 
   
3. 无子键读取:
   
4. if(Request.Cookies["username"]!=null)
   
5. {
   
6. Response.Write(Server.HtmlEncode(Request.Cookies["username"].Value));
   
7. }
   
8. 
   
9. 有子键读取:
   
10. if(Request.Cookies["user"]!=null)
    
11. {
    
12. Response.Write(Server.HtmlEncode(Request.Cookies["user"]["username"].Value));
    
13. Response.Write(Server.HtmlEncode(Request.Cookies["user"]["password"].Value));
    
14. 
    
15. using System;
    
16. using System.Data;
    
17. using System.Configuration;
    
18. using System.Web;
    
19. using System.Web.Security;
    
20. using System.Web.UI;
    
21. using System.Web.UI.WebControls;
    
22. using System.Web.UI.WebControls.WebParts;
    
23. using System.Web.UI.HtmlControls;
    
24. 
    
25. 
    
26. public class Cookie
    
27. {
    
28. /// <summary>
    
29. /// Cookies赋值
    
30. /// </summary>
    
31. /// <param name="strName">主键</param>
    
32. /// <param name="strValue">键值</param>
    
33. /// <param name="strDay">有效天数</param>
    
34. /// <returns></returns>
    
35. public bool setCookie(string strName, string strValue, int strDay)
    
36. {
    
37. try
    
38. {
    
39. HttpCookie Cookie = new HttpCookie(strName);
    
40. //Cookie.Domain = ".xxx.com";//当要跨域名访问的时候,给cookie指定域名即可,格式为.xxx.com
    
41. Cookie.Expires = DateTime.Now.AddDays(strDay);
    
42. Cookie.Value = strValue;
    
43. System.Web.HttpContext.Current.Response.Cookies.Add(Cookie);
    
44. return true;
    
45. }
    
46. catch
    
47. {
    
48. return false;
    
49. }
    
50. }

复制代码

1.   /// <summary>
   
2. /// 读取Cookies
   
3. /// </summary>
   
4. /// <param name="strName">主键</param>
   
5. /// <returns></returns>
   
6. 
   
7. public string getCookie(string strName)
   
8. {
   
9. HttpCookie Cookie = System.Web.HttpContext.Current.Request.Cookies[strName];
   
10. if (Cookie != null)
    
11. {
    
12. return Cookie.Value.ToString();
    
13. }
    
14. else
    
15. {
    
16. return null;
    
17. }
    
18. }
    
19. 
    
20.     /// <summary>
    
21. /// 删除Cookies
    
22. /// </summary>
    
23. /// <param name="strName">主键</param>
    
24. /// <returns></returns>
    
25. public bool delCookie(string strName)
    
26. {
    
27. try
    
28. {
    
29. HttpCookie Cookie = new HttpCookie(strName);
    
30. //Cookie.Domain = ".xxx.com";//当要跨域名访问的时候,给cookie指定域名即可,格式为.xxx.com
    
31. Cookie.Expires = DateTime.Now.AddDays(-1);
    
32. System.Web.HttpContext.Current.Response.Cookies.Add(Cookie);
    
33. return true;
    
34. }
    
35. catch
    
36. {
    
37. return false;
    
38. }
    
39. }
    
40. }
    
41. 
    
42. 
    
43. 示例：
    
44. Cookie Cookie = new Cookie();
    
45. Cookie.setCookie("name", "aaa",1);//赋值
    
46. Cookie.getCookie("name");//取值
    
47. Cookie.delCookie("name");//删除
    
48. 注意:当Cookie存中文出现乱码,则在存放时给中文编码,如Cookie.setCookie("name", Server.UrlEncode("aaa"),1),读取时解码即可
    
49. 
    
50. 
    
51. 另外：只要不给cookie设置过期时间,cookie在浏览器关闭的时候自动失效
    
52. 
    
53. using System;
    
54. using System.Data;
    
55. using System.Configuration;
    
56. using System.Web;
    
57. using System.Web.Security;
    
58. using System.Web.UI;
    
59. using System.Web.UI.WebControls;
    
60. using System.Web.UI.WebControls.WebParts;
    
61. using System.Web.UI.HtmlControls;
    
62. 
    
63. 
    
64. public class Cookie
    
65. {
    
66. /// <summary>
    
67. /// Cookies赋值
    
68. /// </summary>
    
69. /// <param name="strName">主键</param>
    
70. /// <param name="strValue">键值</param>
    
71. /// <param name="strDay">有效天数</param>
    
72. /// <returns></returns>
    
73. public bool setCookie(string strName, string strValue, int strDay)
    
74. {
    
75. try
    
76. {
    
77. HttpCookie Cookie = new HttpCookie(strName);
    
78. //Cookie.Domain = ".xxx.com";//当要跨域名访问的时候,给cookie指定域名即可,格式为.xxx.com
    
79. Cookie.Expires = DateTime.Now.AddDays(strDay);
    
80. Cookie.Value = strValue;
    
81. System.Web.HttpContext.Current.Response.Cookies.Add(Cookie);
    
82. return true;
    
83. }
    
84. catch
    
85. {
    
86. return false;
    
87. }
    
88. }
    
89. 
    
90.     /// <summary>
    
91. /// 读取Cookies
    
92. /// </summary>
    
93. /// <param name="strName">主键</param>
    
94. /// <returns></returns>
    
95. 
    
96. public string getCookie(string strName)
    
97. {
    
98. HttpCookie Cookie = System.Web.HttpContext.Current.Request.Cookies[strName];
    
99. if (Cookie != null)
    
100. {
     
101. return Cookie.Value.ToString();
     
102. }
     
103. else
     
104. {
     
105. return null;
     
106. }
     
107. }
     
108. 
     
109.     /// <summary>
     
110. /// 删除Cookies
     
111. /// </summary>
     
112. /// <param name="strName">主键</param>
     
113. /// <returns></returns>
     
114. public bool delCookie(string strName)
     
115. {
     
116. try
     
117. {
     
118. HttpCookie Cookie = new HttpCookie(strName);
     
119. //Cookie.Domain = ".xxx.com";//当要跨域名访问的时候,给cookie指定域名即可,格式为.xxx.com
     
120. Cookie.Expires = DateTime.Now.AddDays(-1);
     
121. System.Web.HttpContext.Current.Response.Cookies.Add(Cookie);
     
122. return true;
     
123. }
     
124. catch
     
125. {
     
126. return false;
     
127. }
     
128. }
     
129. }
     

复制代码

示例：Cookie Cookie = new Cookie();Cookie.setCookie("name", "aaa",1);//赋值Cookie.getCookie("name");//取值Cookie.delCookie("name");//删除注意:当Cookie存中文出现乱码,则在存放时给中文编码,如Cookie.setCookie("name", Server.UrlEncode("aaa"),1),读取时解码即可

另外：只要不给cookie设置过期时间,cookie在浏览器关闭的时候自动失效

在客户端创建一个username的cookies,其值为gjy,有效期为1天.
方法1:
Response.Cookies["username"].Value="zxf";
Response.Cookies["username"].Expires=DateTime.Now.AddDays(1);

方法2:
System.Web.HttpCookie newcookie=new HttpCookie("username");
newcookie.Value="gjy";
newcookie.Expires=DateTime.Now.AddDays(1);
Response.AppendCookie(newcookie);


创建带有子键的cookies:
System.Web.HttpCookie newcookie=new HttpCookie("user");
newcookie.Values["username"]="zxf";
newcookie.Values["password"]="111";
newcookie.Expires=DateTime.Now.AddDays(1);
Response.AppendCookie(newcookie);

1. cookies的读取:
   
2. 
   
3. 无子键读取:
   
4. if(Request.Cookies["username"]!=null)
   
5. {
   
6. Response.Write(Server.HtmlEncode(Request.Cookies["username"].Value));
   
7. }
   
8. 
   
9. 有子键读取:
   
10. if(Request.Cookies["user"]!=null)
    
11. {
    
12. Response.Write(Server.HtmlEncode(Request.Cookies["user"]["username"].Value));
    
13. Response.Write(Server.HtmlEncode(Request.Cookies["user"]["password"].Value));
    
14. 
    
15. using System;
    
16. using System.Data;
    
17. using System.Configuration;
    
18. using System.Web;
    
19. using System.Web.Security;
    
20. using System.Web.UI;
    
21. using System.Web.UI.WebControls;
    
22. using System.Web.UI.WebControls.WebParts;
    
23. using System.Web.UI.HtmlControls;
    
24. 
    
25. 
    
26. public class Cookie
    
27. {
    
28. /// <summary>
    
29. /// Cookies赋值
    
30. /// </summary>
    
31. /// <param name="strName">主键</param>
    
32. /// <param name="strValue">键值</param>
    
33. /// <param name="strDay">有效天数</param>
    
34. /// <returns></returns>
    
35. public bool setCookie(string strName, string strValue, int strDay)
    
36. {
    
37. try
    
38. {
    
39. HttpCookie Cookie = new HttpCookie(strName);
    
40. //Cookie.Domain = ".xxx.com";//当要跨域名访问的时候,给cookie指定域名即可,格式为.xxx.com
    
41. Cookie.Expires = DateTime.Now.AddDays(strDay);
    
42. Cookie.Value = strValue;
    
43. System.Web.HttpContext.Current.Response.Cookies.Add(Cookie);
    
44. return true;
    
45. }
    
46. catch
    
47. {
    
48. return false;
    
49. }
    
50. }

复制代码

1.   /// <summary>
   
2. /// 读取Cookies
   
3. /// </summary>
   
4. /// <param name="strName">主键</param>
   
5. /// <returns></returns>
   
6. 
   
7. public string getCookie(string strName)
   
8. {
   
9. HttpCookie Cookie = System.Web.HttpContext.Current.Request.Cookies[strName];
   
10. if (Cookie != null)
    
11. {
    
12. return Cookie.Value.ToString();
    
13. }
    
14. else
    
15. {
    
16. return null;
    
17. }
    
18. }
    
19. 
    
20.     /// <summary>
    
21. /// 删除Cookies
    
22. /// </summary>
    
23. /// <param name="strName">主键</param>
    
24. /// <returns></returns>
    
25. public bool delCookie(string strName)
    
26. {
    
27. try
    
28. {
    
29. HttpCookie Cookie = new HttpCookie(strName);
    
30. //Cookie.Domain = ".xxx.com";//当要跨域名访问的时候,给cookie指定域名即可,格式为.xxx.com
    
31. Cookie.Expires = DateTime.Now.AddDays(-1);
    
32. System.Web.HttpContext.Current.Response.Cookies.Add(Cookie);
    
33. return true;
    
34. }
    
35. catch
    
36. {
    
37. return false;
    
38. }
    
39. }
    
40. }
    
41. 
    
42. 
    
43. 示例：
    
44. Cookie Cookie = new Cookie();
    
45. Cookie.setCookie("name", "aaa",1);//赋值
    
46. Cookie.getCookie("name");//取值
    
47. Cookie.delCookie("name");//删除
    
48. 注意:当Cookie存中文出现乱码,则在存放时给中文编码,如Cookie.setCookie("name", Server.UrlEncode("aaa"),1),读取时解码即可
    
49. 
    
50. 
    
51. 另外：只要不给cookie设置过期时间,cookie在浏览器关闭的时候自动失效
    
52. 
    
53. using System;
    
54. using System.Data;
    
55. using System.Configuration;
    
56. using System.Web;
    
57. using System.Web.Security;
    
58. using System.Web.UI;
    
59. using System.Web.UI.WebControls;
    
60. using System.Web.UI.WebControls.WebParts;
    
61. using System.Web.UI.HtmlControls;
    
62. 
    
63. 
    
64. public class Cookie
    
65. {
    
66. /// <summary>
    
67. /// Cookies赋值
    
68. /// </summary>
    
69. /// <param name="strName">主键</param>
    
70. /// <param name="strValue">键值</param>
    
71. /// <param name="strDay">有效天数</param>
    
72. /// <returns></returns>
    
73. public bool setCookie(string strName, string strValue, int strDay)
    
74. {
    
75. try
    
76. {
    
77. HttpCookie Cookie = new HttpCookie(strName);
    
78. //Cookie.Domain = ".xxx.com";//当要跨域名访问的时候,给cookie指定域名即可,格式为.xxx.com
    
79. Cookie.Expires = DateTime.Now.AddDays(strDay);
    
80. Cookie.Value = strValue;
    
81. System.Web.HttpContext.Current.Response.Cookies.Add(Cookie);
    
82. return true;
    
83. }
    
84. catch
    
85. {
    
86. return false;
    
87. }
    
88. }
    
89. 
    
90.     /// <summary>
    
91. /// 读取Cookies
    
92. /// </summary>
    
93. /// <param name="strName">主键</param>
    
94. /// <returns></returns>
    
95. 
    
96. public string getCookie(string strName)
    
97. {
    
98. HttpCookie Cookie = System.Web.HttpContext.Current.Request.Cookies[strName];
    
99. if (Cookie != null)
    
100. {
     
101. return Cookie.Value.ToString();
     
102. }
     
103. else
     
104. {
     
105. return null;
     
106. }
     
107. }
     
108. 
     
109.     /// <summary>
     
110. /// 删除Cookies
     
111. /// </summary>
     
112. /// <param name="strName">主键</param>
     
113. /// <returns></returns>
     
114. public bool delCookie(string strName)
     
115. {
     
116. try
     
117. {
     
118. HttpCookie Cookie = new HttpCookie(strName);
     
119. //Cookie.Domain = ".xxx.com";//当要跨域名访问的时候,给cookie指定域名即可,格式为.xxx.com
     
120. Cookie.Expires = DateTime.Now.AddDays(-1);
     
121. System.Web.HttpContext.Current.Response.Cookies.Add(Cookie);
     
122. return true;
     
123. }
     
124. catch
     
125. {
     
126. return false;
     
127. }
     
128. }
     
129. }
     

复制代码

示例：Cookie Cookie = new Cookie();Cookie.setCookie("name", "aaa",1);//赋值Cookie.getCookie("name");//取值Cookie.delCookie("name");//删除注意:当Cookie存中文出现乱码,则在存放时给中文编码,如Cookie.setCookie("name", Server.UrlEncode("aaa"),1),读取时解码即可

另外：只要不给cookie设置过期时间,cookie在浏览器关闭的时候自动失效