public void SendThread(SendInfo File)
{
SendFileThred = new Thread(UploadFilesByPostThread);
SendFileThred.IsBackground = true;
SendFileThred.Name = "SendFileThread" + File.fileNamePath;
SendFileThred.Start(File);
}
public void UploadFilesByPostThread(object o)
{
try
{
SendInfo send = o as SendInfo;
int u = ServicePointManager.DefaultConnectionLimit;
ServicePointManager.DefaultConnectionLimit = 200;
WebResponse webRespon = null;
FileStream fs = new FileStream(send.fileNamePath, FileMode.Open, FileAccess.Read);
BinaryReader r = new BinaryReader(fs); //时间戳
string sguidSplit = Guid.NewGuid().ToString();
string filename = send.fileNamePath.Substring(send.fileNamePath.LastIndexOf("\\") + 1);
StringBuilder sb = new StringBuilder(300);
string strPostHeader = sb.ToString();
HttpWebRequest httpReq = (HttpWebRequest)WebRequest.Create(new Uri(send.address));
httpReq.ServicePoint.Expect100Continue = false;
httpReq.Method = "POST"; //对发送的数据不使用缓存
httpReq.AllowWriteStreamBuffering = false; //设置获得响应的超时时间（300秒）
httpReq.Timeout = 60000;
httpReq.ContentType = "multipart/form-data; boundary=" + sguidSplit; //"text/xml"; //
httpReq.Accept = "text/plain, */*";
httpReq.UserAgent = "WinHttpClient";
httpReq.Headers["Accept-Language"] = "zh-cn";
sb.Append("--" + sguidSplit + "\r\n");
sb.Append("Content-Disposition: form-data; name=\"file\"; filename=\"" + filename + "\"\r\n");
sb.Append("Content-Type: application/octet-stream;Charset=UTF-8\r\n");
sb.Append("\r\n");
byte[] boundaryBytes = Encoding.ASCII.GetBytes(sb.ToString()); //请求头部信息
byte[] bEndBytes = Encoding.ASCII.GetBytes("\r\n--" + sguidSplit + "--\r\n");
long length = fs.Length + boundaryBytes.Length + bEndBytes.Length;
long fileLength = fs.Length;
httpReq.ContentLength = length;
try
{
int bufferLength = 4096; //每次上传4k
byte[] buffer = new byte[bufferLength]; //已上传的字节数
long offset = 0; //开始上传时间
DateTime startTime = DateTime.Now;
int size = r.Read(buffer, 0, bufferLength);
Stream postStream = httpReq.GetRequestStream(); //发送请求头部消息
postStream.Write(boundaryBytes, 0, boundaryBytes.Length);
while (size > 0)
{
postStream.Write(buffer, 0, size);
offset += size;
TimeSpan span = DateTime.Now - startTime;
double second = span.TotalSeconds;
Application.DoEvents();
size = r.Read(buffer, 0, bufferLength);
}
//添加尾部的时间戳
postStream.Write(bEndBytes, 0, bEndBytes.Length);
postStream.Close();
//获取服务器端的响应
webRespon = httpReq.GetResponse();
Stream s = webRespon.GetResponseStream();
//读取服务器端返回的消息
StreamReader sr = new StreamReader(s);
String sReturnString = sr.ReadLine();
s.Close();
sr.Close();
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
finally
{
fs.Close();
r.Close();
if (httpReq != null)
{
httpReq.Abort();
}
if (webRespon != null)
{
webRespon.Close();
}
}
}
catch
{
Thread.Sleep(1000);
}
Thread.Sleep(500);
}
