C# 通过代理获取url数据

时间：2022-09-08 11:24:16
 public static string doPost(string Url, byte[] postData, SinaCookie bCookie, String encodingFormat, String referer, string ProxyStr)

         {

                 try

                 {

                     HttpWebRequest myRequest = (HttpWebRequest)WebRequest.Create(Url.ToString());

                     if (ProxyStr != ""&&ProxyStr != null)

                     {

                         //设置代理

                         WebProxy proxy = new WebProxy();

                         proxy.Address = new Uri(ProxyStr);

                         myRequest.UseDefaultCredentials = true;

                         myRequest.Proxy = proxy;

                     }

                     //myRequest.ServicePoint.Expect100Continue = false;

                     myRequest.CookieContainer = bCookie.mycookie;

                     myRequest.Method = "POST";

                     myRequest.Timeout = ;

                     myRequest.KeepAlive = true;//modify by yang

                     if (referer != "")

                         myRequest.Referer = referer;

                     myRequest.Headers["Cache-control"] = "no-cache";//.CachePolicy = .c "no-cache";//["Cache-control: no-cache"]

                     myRequest.Headers["Accept-Language"] = "zh-cn";

                     //myRequest.Headers["x-requested-with"] = "XMLHttpRequest";

                     myRequest.UserAgent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; Trident/4.0; GTB7.4; GTB7.1; .NET CLR 2.0.50727; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729; InfoPath.2)";

                     myRequest.ContentType = "application/x-www-form-urlencoded";

                     myRequest.Accept = "*/*";

                     myRequest.ContentLength = postData.Length;

                     //setRequestHeader(requestHearder, myRequest);

                     Stream newStream = myRequest.GetRequestStream();

                     newStream.Write(postData, , postData.Length);

                     newStream.Close();

                     //if (waitTime != 0)

                     //    Thread.Sleep(waitTime);

                     HttpWebResponse myResponse = (HttpWebResponse)myRequest.GetResponse();

                     bCookie.upcookie(myResponse.Cookies);

                     StreamReader reader = new StreamReader(myResponse.GetResponseStream(), Encoding.GetEncoding(encodingFormat));

                     string outdata = reader.ReadToEnd();

                     reader.Close();

                     if (!outdata.Contains("基础连接已经关闭: 连接被意外关闭") && !outdata.Contains("无法连接到远程服务器") && !outdata.Contains("基础连接已经关闭: 接收时发生错误。"))

                         return outdata;

                     else

                         return "基础连接已经关闭: 连接被意外关闭";

                 }

                 catch (Exception ex)

                 {

                     if (!ex.Message.Contains("基础连接已经关闭: 连接被意外关闭") && !ex.Message.Contains("无法连接到远程服务器") && !ex.Message.Contains("基础连接已经关闭: 接收时发生错误。"))

                         return ex.Message;

                     else

                         return "基础连接已经关闭: 连接被意外关闭";

                 }

         }
ProxyStr格式
http://192.168.1.1:80
大概是这样、

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