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#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} 转载地址：http://zhfvx.baihongyu.com/