C#后台调用跨域MVC服务，带Cookie验证

 　　　　CookieContainer cookieContainer = new CookieContainer();　　　　 [HttpPost]        public string CommonPost(string url)        {            log.Info(CookieHelper.GetCookie("ITDC_UserName") + "进入方法CommonPost Url=" + url);            Uri address = new Uri(System.Configuration.ConfigurationManager.AppSettings["RESTfulAPI"].ToString() + url);            HttpWebRequest request = WebRequest.Create(address) as HttpWebRequest;            request.Method = "POST";            request.ContentType = "application/x-www-form-urlencoded";　　　　　　　//远程服务,需要加入cookie验证            cookieContainer.Add(address, GetCookie("ITDC_UserName"));            cookieContainer.Add(address, GetCookie("ITDC_UserRole"));            request.CookieContainer = cookieContainer;            StringBuilder data = new StringBuilder();            for (int i = 0; i < Request.QueryString.Count; i++)            {                if (Request.QueryString.Keys[i].ToString() == "url") continue;                data.Append("&" + Request.QueryString.Keys[i].ToString() + "=" + Request.QueryString[i].ToString());            }            // Create a byte array of the data we want to send            byte[] byteData = UTF8Encoding.UTF8.GetBytes(data.ToString().TrimStart('&'));            // Set the content length in the request headers            request.ContentLength = byteData.Length;            // Write data              using (Stream postStream = request.GetRequestStream())            {                postStream.Write(byteData, 0, byteData.Length);            }              string result = "";            using (HttpWebResponse response = request.GetResponse() as HttpWebResponse)            {                StreamReader reader = new StreamReader(response.GetResponseStream());                result = reader.ReadToEnd();            }            log.Info(CookieHelper.GetCookie("ITDC_UserName") + " 执行完成 CommonPost Url=" + url);            return (result);        }

Ext.Ajax.request({url: APIUrl + '/Nebula/CommonPost?url=/Nebula/PostComment/&KlId=1&Msg=ok&Author=admin&Title=文章标题',                  method: "POST",                  success: function (response) {                              Ext.Viewport.unmask();                              var obj = Ext.decode(response.responseText);                              Ext.Msg.alert("提示", obj.Msg, Ext.emptyFn);                           },                  failure: function (response) {                              Ext.Viewport.unmask();                              Ext.Msg.alert("提示", "操作失败，请检查网络！", Ext.emptyFn);                           }});