【C#基础】HTTP发送POST二进制数据-白红宇

【C#基础】HTTP发送POST二进制数据

阅读量：7056 次

发布时间：2019-06-28

本文共 5090 字，大约阅读时间需要 16 分钟。

//postdata为数组的请求方式public byte[] POST(string Url, byte[] byteRequest)        {            byte[] responsebody;            HttpWebRequest httpWebRequest = null;            HttpWebResponse httpWebResponse = null;            try            {                //如果是发送HTTPS请求                if (Url.StartsWith("https", StringComparison.OrdinalIgnoreCase))                {                    ServicePointManager.ServerCertificateValidationCallback = new RemoteCertificateValidationCallback(CheckValidationResult);                    httpWebRequest = (HttpWebRequest)HttpWebRequest.Create(Url);                    httpWebRequest.ProtocolVersion = HttpVersion.Version10;                }                else                {                    httpWebRequest = (HttpWebRequest)HttpWebRequest.Create(Url);//创建连接请求                }                httpWebRequest.Method = "POST";                if (cookieContainer != null)                {                    httpWebRequest.CookieContainer = cookieContainer;                }                httpWebRequest.AllowAutoRedirect = AllowAutoRedirect;//【注意】这里有个时候在特殊情况下要设置为否，否则会造成cookie丢失                httpWebRequest.ContentType = ContentType;                httpWebRequest.Accept = Accept;                httpWebRequest.UserAgent = UserAgent;                if (!string.IsNullOrEmpty(uuid))                {                    httpWebRequest.Headers.Add("seed:" + uuid + "");                }                //Post请求数据，则写入传的PostData                //byte[] byteRequest = Encoding.Default.GetBytes(PostData);                httpWebRequest.ContentLength = byteRequest.Length;                using (Stream stream = httpWebRequest.GetRequestStream())                {                    stream.Write(byteRequest, 0, byteRequest.Length);                }                httpWebResponse = (HttpWebResponse)httpWebRequest.GetResponse();//开始获取响应流                Stream responseStream = httpWebResponse.GetResponseStream();                responsebody = StreamToBytes(responseStream);                responseStream.Close();                httpWebRequest.Abort();                cookieContainer.Add(httpWebResponse.Cookies);                cookieCollection.Add(httpWebResponse.Cookies);                httpWebResponse.Close();                //到这里为止，所有的对象都要释放掉，以免内存像滚雪球一样            }            catch (Exception ex)            {                responsebody = Encoding.Default.GetBytes(ex.Message + ex.Source);                LogHelper.Log.Error("POST方式请求网页异常", ex);            }            return responsebody;        }

//postdata为数组的请求方式public byte[] POST(string Url, byte[] byteRequest)        {            byte[] responsebody;            HttpWebRequest httpWebRequest = null;            HttpWebResponse httpWebResponse = null;            try            {                //如果是发送HTTPS请求                if (Url.StartsWith("https", StringComparison.OrdinalIgnoreCase))                {                    ServicePointManager.ServerCertificateValidationCallback = new RemoteCertificateValidationCallback(CheckValidationResult);                    httpWebRequest = (HttpWebRequest)HttpWebRequest.Create(Url);                    httpWebRequest.ProtocolVersion = HttpVersion.Version10;                }                else                {                    httpWebRequest = (HttpWebRequest)HttpWebRequest.Create(Url);//创建连接请求                }                httpWebRequest.Method = "POST";                if (cookieContainer != null)                {                    httpWebRequest.CookieContainer = cookieContainer;                }                httpWebRequest.AllowAutoRedirect = AllowAutoRedirect;//【注意】这里有个时候在特殊情况下要设置为否，否则会造成cookie丢失                httpWebRequest.ContentType = ContentType;                httpWebRequest.Accept = Accept;                httpWebRequest.UserAgent = UserAgent;                if (!string.IsNullOrEmpty(uuid))                {                    httpWebRequest.Headers.Add("seed:" + uuid + "");                }                 //Post请求数据，则写入传的PostData                //byte[] byteRequest = Encoding.Default.GetBytes(PostData);                httpWebRequest.ContentLength = byteRequest.Length;                using (Stream stream = httpWebRequest.GetRequestStream())                {                    stream.Write(byteRequest, 0, byteRequest.Length);                }                httpWebResponse = (HttpWebResponse)httpWebRequest.GetResponse();//开始获取响应流                Stream responseStream = httpWebResponse.GetResponseStream();                responsebody = StreamToBytes(responseStream);                responseStream.Close();                httpWebRequest.Abort();                cookieContainer.Add(httpWebResponse.Cookies);                cookieCollection.Add(httpWebResponse.Cookies);                httpWebResponse.Close();                //到这里为止，所有的对象都要释放掉，以免内存像滚雪球一样            }            catch (Exception ex)            {                responsebody = Encoding.Default.GetBytes(ex.Message + ex.Source);                LogHelper.Log.Error("POST方式请求网页异常", ex);            }            return responsebody;        }

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