private void writeStream(NetworkStream nstream, string fileSavePath)
{
int size = 0;
long len = 0;
using (FileStream fs = new FileStream(fileSavePath, FileMode.Create, FileAccess.Write))
{
byte[] buffer = new byte[512];
while ((size = nstream.Read(buffer, 0, buffer.Length)) > 0)
{
fs.Write(buffer, 0, size);
len += size;
pbState.Value = (int)(len * 100 / filesize);
if (len == filesize)
{
break;
}
}
fs.Flush();
nstream.Flush();
nstream.Close();
pbState.Value = 0;
}
ShwMsgForView.ShwMsgforView(lstbxMsgView, "文件接受成功" + fileSavePath);
}
private void btnBegin_Click(object sender, EventArgs e)
{
isStart = true;
btnCancel.Enabled = !(btnBegin.Enabled = false);
listener = new TcpListener(IPAddress.Parse(cbIPBox.Text), int.Parse(tbPort.Text));
listener.Start();
ShwMsgForView.ShwMsgforView(lstbxMsgView, "服务器开始监听");
Thread th = new Thread(ReceiveMsg);
th.Start();
th.IsBackground = true;
}
public void ReceiveMsg()
{
while (isStart)
{
try
{
TcpClient client = listener.AcceptTcpClient();
if (client.Connected)
{
//向列表控件中添加一个客户端的Ip和端口，作为发送时客户的唯一标识
listbOnline.Items.Add(client.Client.RemoteEndPoint);
ShwMsgForView.ShwMsgforView(lstbxMsgView, "客户端连接成功" + client.Client.RemoteEndPoint.ToString());
}
NetworkStream stream = client.GetStream();
byte[] buffer = new byte[512];
//while (true)
//{
// byte[] send = Encoding.ASCII.GetBytes("12121212");
// stream.Write(send, 0, send.Length);
// stream.Flush();
// Thread.Sleep(100);
//}
int size;
while ((size = stream.Read(buffer, 0, buffer.Length)) > 0 || isStart)
{
byte[] recData = new byte[size];
Array.Copy(buffer, recData, size);
string recsData = Encoding.ASCII.GetString(recData);
string[] rec = recsData.Split(':');
if (rec.Length == 2)
{
filename = rec[0];
filesize = Convert.ToInt64(rec[1]);
byte[] send = Encoding.ASCII.GetBytes("OK");
stream.Write(send, 0, send.Length);
break;
}
}
if (stream != null && isStart)
{
SaveFileDialog sfd = new SaveFileDialog();
sfd.FileName = filename;
if (sfd.ShowDialog(this) == System.Windows.Forms.DialogResult.OK)
{
string fileSavePath = sfd.FileName;//获得用户保存文件的路径
writeStream(stream, fileSavePath);
}
}
}
catch (Exception ex)
{
ShwMsgForView.ShwMsgforView(lstbxMsgView, "出现异常：" + ex.Message);
}
}
}
