1 private static string GetUrl(string url) 2 { 3 HttpWebRequest request = null; 4 if (url.StartsWith("https", StringComparison.OrdinalIgnoreCase)) 5 { 6 request = WebRequest.Create(url) as HttpWebRequest; 7 ServicePointManager.ServerCertificateValidationCallback = new RemoteCertificateValidationCallback(CheckValidationResult); 8 request.ProtocolVersion = HttpVersion.Version11; 9 // 这里设置了协议类型。 10 ServicePointManager.SecurityProtocol = (SecurityProtocolType)3072;// SecurityProtocolType.Tls1.2; 11 request.KeepAlive = false; 12 ServicePointManager.CheckCertificateRevocationList = true; 13 ServicePointManager.DefaultConnectionLimit = 100; 14 ServicePointManager.Expect100Continue = false; 15 } 16 else 17 { 18 request = (HttpWebRequest)WebRequest.Create(url); 19 } 20 21 request.Method = "GET"; //使用get方式发送数据 22 request.ContentType = "application/x-www-form-urlencoded"; 23 request.Referer = null; 24 request.AllowAutoRedirect = true; 25 request.UserAgent = "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.2; .NET CLR 1.1.4322; .NET CLR 2.0.50727)"; 26 request.Accept = "*/*"; 27 28 //byte[] data = Encoding.UTF8.GetBytes(postData); 29 //Stream newStream = request.GetRequestStream(); 30 //newStream.Write(data, 0, data.Length); 31 //newStream.Close(); 32 33 //获取网页响应结果 34 HttpWebResponse response = (HttpWebResponse)request.GetResponse(); 35 Stream stream = response.GetResponseStream(); 36 //client.Headers.Add("Content-Type", "application/x-www-form-urlencoded"); 37 string result = string.Empty; 38 using (StreamReader sr = new StreamReader(stream)) 39 { 40 result = sr.ReadToEnd(); 41 } 42 43 return result; 44 } 45 46 private static string PostUrl(string url, string postData) 47 { 48 HttpWebRequest request = null; 49 if (url.StartsWith("https", StringComparison.OrdinalIgnoreCase)) 50 { 51 request = WebRequest.Create(url) as HttpWebRequest; 52 ServicePointManager.ServerCertificateValidationCallback = new RemoteCertificateValidationCallback(CheckValidationResult); 53 request.ProtocolVersion = HttpVersion.Version11; 54 // 这里设置了协议类型。 55 ServicePointManager.SecurityProtocol = (SecurityProtocolType)3072;// SecurityProtocolType.Tls1.2; 56 request.KeepAlive = false; 57 ServicePointManager.CheckCertificateRevocationList = true; 58 ServicePointManager.DefaultConnectionLimit = 100; 59 ServicePointManager.Expect100Continue = false; 60 } 61 else 62 { 63 request = (HttpWebRequest)WebRequest.Create(url); 64 } 65 66 request.Method = "POST"; 67 request.ContentType = "application/x-www-form-urlencoded"; 68 request.Referer = null; 69 request.AllowAutoRedirect = true; 70 request.UserAgent = "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.2; .NET CLR 1.1.4322; .NET CLR 2.0.50727)"; 71 request.Accept = "*/*"; 72 73 byte[] data = Encoding.UTF8.GetBytes(postData); 74 Stream newStream = request.GetRequestStream(); 75 newStream.Write(data, 0, data.Length); 76 newStream.Close(); 77 78 //获取网页响应结果 79 HttpWebResponse response = (HttpWebResponse)request.GetResponse(); 80 Stream stream = response.GetResponseStream(); 81 //client.Headers.Add("Content-Type", "application/x-www-form-urlencoded"); 82 string result = string.Empty; 83 using (StreamReader sr = new StreamReader(stream)) 84 { 85 result = sr.ReadToEnd(); 86 } 87 88 return result; 89 } 90 91 private static bool CheckValidationResult(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors errors) 92 { 93 return true; //总是接受 94 }