C#中Cookies的存取

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C#中Cookies的存取 [csharp] view plaincopy

1. using System;  
2. using System.Collections.Generic;  
3. using System.Linq;  
4. using System.Web;  
5.   
6. namespace WebApplication1  
7. {  
8.     public class FunCookie  
9.     {  
10.         /// <summary>  
11.         /// 建立Cookie和賦值，及設計Cookie有效天數  
12.         /// </summary>  
13.         /// <param name="strCookieName">Cookie名字</param>  
14.         /// <param name="strCookieValue">Cookie的值</param>  
15.         /// <param name="intDay">Cookie有效天數</param>  
16.         /// <returns>布爾值</returns>  
17.         public static bool SetCookie(string strCookieName,string strCookieValue,int intDay )  
18.         {  
19.             try  
20.             {  
21.                 HttpCookie cookie = new HttpCookie(strCookieName); //建立一個cookie對象  
22.                 cookie.Value = strCookieValue; //設定cookie的值  
23.                 cookie.Expires = DateTime.Now.AddDays(intDay); //或cookie.Expires.AddDays(intDay)；設定cookie的有效期間  
24.                 System.Web.HttpContext.Current.Response.Cookies.Add(cookie); //將cookie添加到cookies中  
25.                 return true;  
26.             }  
27.             catch  
28.             {  
29.                 return false;  
30.             }  
31.         }  
32.   
33.         /// <summary>  
34.         /// 根據Cookie的名字擷取Cookie的值  
35.         /// </summary>  
36.         /// <param name="strCookieName">要擷取的Cookie的名字</param>  
37.         /// <returns>Cookie的值(string類型)</returns>  
38.         public static string GetCookie(string strCookieName)  
39.         {  
40.             HttpCookie cookie= HttpContext.Current.Request.Cookies[strCookieName];//擷取cookie  
41.             if (cookie != null)  
42.             {  
43.                 return cookie.Value; //返回cookie的值  
44.             }  
45.             else  
46.             {  
47.                 return null;  
48.             }  
49.         }  
50.   
51.         /// <summary>  
52.         /// 刪除Cookie  
53.         /// </summary>  
54.         /// <param name="strCookieName"></param>  
55.         /// <returns></returns>  
56.         public static bool DeleteCookie(string strCookieName)  
57.         {  
58.             try  
59.             {  
60.                 HttpCookie cookie = new HttpCookie(strCookieName);  
61.                 cookie.Expires = DateTime.Now.AddDays(-1);   
62.                 HttpContext.Current.Response.Cookies.Add(cookie);  
63.                 return true;  
64.             }  
65.             catch  
66.             {  
67.                 return false;  
68.             }  
69.         }  
70.   
71.           
72.     }  
73. } 

C#中Cookies的存取