操作Cookie公用代碼

#region關于操作Cookie的方法

         /**////<summary>

         ///建立cookie值

         ///</summary>

         ///<param name="cookieName">cookie名稱</param>

         ///<param name="cookieValue">cookie值</param>

         ///<param name="cookieTime">cookie有效時間</param>

         private void CreateCookieValue(string cookieName,string cookieValue,DateTime cookieTime)

{

              HttpCookie cookie = new HttpCookie(cookieName);

              cookie.Value=cookieValue;

              //DateTime dtNow = DateTime.Now ;

              //TimeSpan tsMinute = cookieTime;

              cookie.Expires = cookieTime;

              Response.Cookies.Add(cookie);

         }

         ///<param name="cookieName">cookie名稱</param>    

         ///<param name="subCookieName">子資訊cookie名稱</param>

         ///<param name="subCookieValue">子資訊cookie值</param>

         private void CreateCookieValue(string cookieName,string cookieValue,string subCookieName,string subCookieValue,DateTime cookieTime)

              cookie[subCookieName]=subCookieValue;

         ///取得cookie的值

         ///<returns></returns>

         private string GetCookieValue(string cookieName)

              string cookieValue="";

              HttpCookie cookie = Request.Cookies[cookieName];             

              if(null == cookie)

                   cookieValue="";

              }

              else

                   cookieValue=cookie.Value;

              return cookieValue;

         ///<param name="subCookieName">cookie子資訊值</param>

         public static string GetCookieValue(string cookieName, string subCookieName)

            string cookieValue = "";

            HttpCookie cookie = HttpContext.Current.Request.Cookies[cookieName];

            if (null == cookie)

                cookieValue = "";

            }

            else

                cookieValue = cookie.Value;

                string[] words = cookieValue.Split('&');

                foreach (string s in words)

                    if (s.IndexOf(subCookieName+"=") >= 0)

                        cookieValue = s.Split('=')[1];

                    }

                }

            //  cookieValue = cookieValue.Split('&')[1].ToString().Split('=')[1];

            return cookieValue;

        }

         ///删除某個固定的cookie值[此方法一是在原有的cookie上再建立同樣的cookie值，但是時間是過期的時間]

         ///<param name="cookieName"></param>

         private void RemoteCookieValue(string cookieName)

              string dt="1900-01-01 12:00:00";

              CreateCookieValue(cookieName,"",Convert.ToDateTime(dt));

         #endregion

以下是調用：

         private void Page_Load(object sender, System.EventArgs e)

              // 在這裡放置使用者程式代碼以初始化網頁     

              this.txt_UserID.Text=this.GetCookieValue("UserName","UserID");//取得使用者名

         private void btn_Submit_Click(object sender, System.EventArgs e)

{    

#region用Cookie進行儲存登入使用者名

              if(this.chb_IsSave.Checked)

                   //将使用者儲存一個小時，具體設定可以進行調整。。

                   //這裡用了固定的公用的cookie使用者UserName,使用者編号UserID進行通路

                   CreateCookieValue("UserName","UserName","UserID",this.txt_UserID.Text,DateTime.Now+new TimeSpan(0,1,0,0));//設定儲存使用者名

              #endregion

}