/// <summary>
/// 发送请求数据
/// </summary>
/// <param name="request">请求对象</param>
/// <param name="postData">请求发送的字节数组</param>
private void PostData(HttpWebRequest request, byte[] postData)
{
int offset = 0;
int sendBufferSize = bufferSize;
int remainBytes = 0;
Stream stream = request.GetRequestStream();
UploadEventArgs args = new UploadEventArgs();
args.TotalBytes = postData.Length;
while ((remainBytes = postData.Length - offset) > 0)
{
if (sendBufferSize > remainBytes)
{
sendBufferSize = remainBytes;
}
stream.Write(postData, offset, sendBufferSize);
offset += sendBufferSize;
if (this.UploadProgressChanged != null)
{
args.BytesSent = offset;
this.UploadProgressChanged(this, args);
if (args.Canceled)
{
break;
}
}
}
stream.Close();
}
///<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
}