操作Cookie公用代码

 

#region关于操作Cookie的方法

         /**////<summary>

         ///创建cookie值

         ///</summary>

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

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

         ///<param name="cookieTime">cookie有效时间</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);

         }

         /**////<summary>

         ///创建cookie值

         ///</summary>

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

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

         ///<param name="subCookieName">子信息cookie名称</param>

         ///<param name="subCookieValue">子信息cookie值</param>

         ///<param name="cookieTime">cookie有效时间</param>

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

         {

              HttpCookie cookie = new HttpCookie(cookieName);

              cookie.Value=cookieValue;

              cookie[subCookieName]=subCookieValue;

              cookie.Expires = cookieTime;

              Response.Cookies.Add(cookie);

         }

         /**////<summary>

         ///取得cookie的值

         ///</summary>

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

         ///<returns></returns>

         private string GetCookieValue(string cookieName)

         {

              string cookieValue="";

              HttpCookie cookie = Request.Cookies[cookieName];             

              if(null == cookie)

              {

                   cookieValue="";

              }

              else

              {

                   cookieValue=cookie.Value;

              }

              return cookieValue;

         }

         /**////<summary>

         ///取得cookie的值

         ///</summary>

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

         ///<param name="subCookieName">cookie子信息值</param>

         ///<returns></returns>

         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;
        }


         /**////<summary>

         ///删除某个固定的cookie值[此方法一是在原有的cookie上再创建同样的cookie值，但是时间是过期的时间]

         ///</summary>

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

         private void RemoteCookieValue(string cookieName)

         {

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

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

         }

         #endregion

 

以下是调用：

 

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

         {

              // 在这里放置使用者程序代码以初始化网页     

              this.txt_UserID.Text=this.GetCookieValue("UserName","UserID");//取得用户名

         }

 

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

         {    

#region用Cookie进行保存登入用户名

              if(this.chb_IsSave.Checked)

              {

                   //将用户保存一个小时，具体设置可以进行调整。。

                   //这里用了固定的公用的cookie用户UserName,用户编号UserID进行访问

                   CreateCookieValue("UserName","UserName","UserID",this.txt_UserID.Text,DateTime.Now+new TimeSpan(0,1,0,0));//设置保存用户名

              }

              #endregion

}