1）站點1，創建Cookie

using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls;namespace WebApplication1 {public partial class Default : System.Web.UI.Page{protected void Page_Load(object sender, EventArgs e){if (!IsPostBack){//設置CookieHttpCookie myCookie = new HttpCookie("MyCook");//初使化并設置Cookie的名稱DateTime dt = DateTime.Now;TimeSpan ts = new TimeSpan(0, 0, 1, 0, 0);//過期時間為1分鐘myCookie.Expires = dt.Add(ts);//設置過期時間myCookie.Values.Add("LoginName", "Admin");Response.AppendCookie(myCookie);}}/// <summary>/// 獲取Cookie/// </summary>/// <param name="sender"></param>/// <param name="e"></param>protected void btnTestCookie_Click(object sender, EventArgs e){HttpCookie myCookie = HttpContext.Current.Request.Cookies["MyCook"];if (myCookie != null){string LoginName = myCookie["LoginName"];}}} }2）站點2，跨域獲取Cookie

using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls;namespace WebApplication2 {public partial class Default : System.Web.UI.Page{protected void Page_Load(object sender, EventArgs e){HttpCookie myCookie = HttpContext.Current.Request.Cookies["MyCook"];if (myCookie != null){string LoginName = myCookie["LoginName"];}}} }

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