///<summary>
///向服务器发送请求
///</summary>
///<param name="URL">请求地址</param>
///<param name="method">POST或GET</param>
///<param name="showProgress">是否显示上传进度</param>
private void SendRequestData(string URL, string method, bool showProgress)
{
clientSocket = new TcpClient();
Uri URI = new Uri(URL);
clientSocket.Connect(URI.Host, URI.Port);
requestHeaders.Add("Host", URI.Host);
byte[] request = GetRequestHeaders(method + " " + URI.PathAndQuery + " HTTP/1.1");
clientSocket.Client.Send(request);
//若有实体内容就发送它
if (postStream != null)
{
byte[] buffer = new byte[SEND_BUFFER_SIZE];
int count = 0;
Stream sm = clientSocket.GetStream();
postStream.Position = 0;
UploadEventArgs e = new UploadEventArgs();
e.totalBytes = postStream.Length;
System.Diagnostics.Stopwatch timer = new System.Diagnostics.Stopwatch();//计时器
timer.Start();
do
{
//如果取消就推出
if (isCanceled)
{
break;
}
//读取要发送的数据
count = postStream.Read(buffer, 0, buffer.Length);
//发送到服务器
sm.Write(buffer, 0, count);
//是否显示进度
if (showProgress)
{
//触发事件
e.bytesSent += count;
e.sendProgress = (double)e.bytesSent / (double)e.totalBytes;
double t = timer.ElapsedMilliseconds / 1000;
t = t <= 0 ? 1 : t;
e.sendSpeed = (double)e.bytesSent / t;
if (UploadProgressChanged != null)
{
UploadProgressChanged(this, e);
}
}
} while (count > 0);
timer.Stop();
postStream.Close();
//postStream.Dispose();
postStream = null;
}//end if
}
///<summary>
///向服务器发送请求
///</summary>
///<param name="URL">请求地址</param>
///<param name="method">POST或GET</param>
///<param name="showProgress">是否显示上传进度</param>
private void SendRequestData(string URL, string method, bool showProgress)
{
clientSocket = new TcpClient();
Uri URI = new Uri(URL);
clientSocket.Connect(URI.Host, URI.Port);
requestHeaders.Add("Host", URI.Host);
byte[] request = GetRequestHeaders(method + " " + URI.PathAndQuery + " HTTP/1.1");
clientSocket.Client.Send(request);
//若有实体内容就发送它
if (postStream != null)
{
byte[] buffer = new byte[SEND_BUFFER_SIZE];
int count = 0;
Stream sm = clientSocket.GetStream();
postStream.Position = 0;
UploadEventArgs e = new UploadEventArgs();
e.totalBytes = postStream.Length;
System.Diagnostics.Stopwatch timer = new System.Diagnostics.Stopwatch();//计时器
timer.Start();
do
{
//如果取消就推出
if (isCanceled) { break; }
//读取要发送的数据
count = postStream.Read(buffer, 0, buffer.Length);
//发送到服务器
sm.Write(buffer, 0, count);
//是否显示进度
if (showProgress)
{
//触发事件
e.bytesSent += count;
e.sendProgress = (double)e.bytesSent / (double)e.totalBytes;
double t = timer.ElapsedMilliseconds / 1000;
t = t <= 0 ? 1 : t;
e.sendSpeed = (double)e.bytesSent / t;
if (UploadProgressChanged != null) { UploadProgressChanged(this, e); }
}
} while (count > 0);
timer.Stop();
postStream.Close();
//postStream.Dispose();
postStream = null;
}//end if
}
/// <summary>
/// upload files or image or text or .exe or .txt
/// </summary>
/// <param name="url"></param>
/// <param name="file"></param>
/// <param name="paramName"></param>
/// <param name="contentType"></param>
/// <param name="nvc"></param>
/// <param name="headerItems"></param>
public string HttpUploadFile(string url, string file, string paramName, string contentType, NameValueCollection nvc)
{
// log.Debug(string.Format("Uploading {0} to {1}", file, url));
string boundary = "---------------------------" + DateTime.Now.Ticks.ToString("x");
byte[] boundarybytes = System.Text.Encoding.ASCII.GetBytes("\r\n--" + boundary + "\r\n");
HttpWebRequest wr = (HttpWebRequest)WebRequest.Create(url);
wr.ContentType = "multipart/form-data; boundary=" + boundary;
wr.Method = "POST";
wr.KeepAlive = true;
wr.Credentials = System.Net.CredentialCache.DefaultCredentials;
Stream rs = wr.GetRequestStream();
string formdataTemplate = "Content-Disposition: form-data; name=\"{0}\"\r\n\r\n{1}";
foreach (string key in nvc.Keys)
{
rs.Write(boundarybytes, 0, boundarybytes.Length);
string formitem = string.Format(formdataTemplate, key, nvc[key]);
byte[] formitembytes = System.Text.Encoding.UTF8.GetBytes(formitem);
rs.Write(formitembytes, 0, formitembytes.Length);
}
rs.Write(boundarybytes, 0, boundarybytes.Length);
string headerTemplate = "Content-Disposition: form-data; name=\"{0}\"; filename=\"{1}\"\r\nContent-Type: {2}\r\n\r\n";
string header = string.Format(headerTemplate, paramName, file, contentType);
byte[] headerbytes = System.Text.Encoding.UTF8.GetBytes(header);
rs.Write(headerbytes, 0, headerbytes.Length);
FileStream fileStream = new FileStream(file, FileMode.Open, FileAccess.Read);
byte[] buffer = new byte[4096]; //4096 SEND_BUFFER_SIZE
int bytesRead = 0;
/// show upload file process
UploadEventArgs e = new UploadEventArgs();
e.totalBytes = fileStream.Length;
System.Diagnostics.Stopwatch timer = new System.Diagnostics.Stopwatch();//计时器
timer.Start();
/*do
{
//如果取消就推出
if (isCanceled) { break; }
bytesRead = fileStream.Read(buffer, 0, buffer.Length);
rs.Write(buffer, 0, bytesRead);
//触发事件
e.bytesSent += bytesRead;
e.sendProgress = (double)e.bytesSent / (double)e.totalBytes;
double t = timer.ElapsedMilliseconds / 1000;
t = t <= 0 ? 1 : t;
e.sendSpeed = (double)e.bytesSent / t;
if (UploadProgressChanged != null) { UploadProgressChanged(this, e); }
} while (bytesRead > 0);
*/
while ((bytesRead = fileStream.Read(buffer, 0, buffer.Length)) != 0)
{
rs.Write(buffer, 0, bytesRead);
e.bytesSent += bytesRead;
e.sendProgress = (double)e.bytesSent / (double)e.totalBytes;
double t = timer.ElapsedMilliseconds / 1000;
t = t <= 0 ? 1 : t;
e.sendSpeed = (double)e.bytesSent / t;
if (UploadProgressChanged != null) { UploadProgressChanged(this, e); }
}
timer.Stop();
fileStream.Close();
byte[] trailer = System.Text.Encoding.ASCII.GetBytes("\r\n--" + boundary + "--\r\n");
rs.Write(trailer, 0, trailer.Length);
rs.Close();
WebResponse wresp = null;
try
{
wresp = wr.GetResponse();
Stream stream2 = wresp.GetResponseStream();
StreamReader reader2 = new StreamReader(stream2);
string endstr = reader2.ReadToEnd();
if (endstr != null)
{
return endstr;
}
//MessageBox.Show(string.Format("File uploaded, server response is:"+ reader2.ReadToEnd()));
}
catch (Exception ex)
{
// MessageBox.Show("Error uploading file"+ ex);
if (wresp != null)
{
wresp.Close();
wresp = null;
}
return "";
}
finally
{
wr = null;
}
return "";
}
