im trying to make a client and server that the server sends image to the client
到目前为止,可以只发送一张图像,而其他图像没有被神秘错误接受我试图找出错误但没有运气......这是服务器代码:public void SendImage(Image img){
TcpClient tempClient = _Client;
if (tempClient.Connected) //If the client is connected
{
NetworkStream stream = tempClient.GetStream();
Bitmap bmp = new Bitmap(img);
BinaryWriter bw = new BinaryWriter(stream);
MemoryStream ms = new MemoryStream();
bmp.Save(ms, System.Drawing.Imaging.ImageFormat.Png);
byte[] buffer = ms.ToArray();
byte[] lengthbts= Get8LengthByte(buffer);
stream.Write(lengthbts,0,8);
stream.Write(buffer, 0, buffer.Length );
stream.Flush();
// bw.Close();
}
}
byte[] Get8LengthByte(byte[] bytes)
{
string length = bytes.Length.ToString();
while (length.Length < 8)
{
length = "0" + length;
}
return Encoding.Default.GetBytes(length);
}
这是客户端代码
NetworkStream stream = client.GetStream();
//Bitmap bmp = new Bitmap(img);
BinaryReader br = new BinaryReader(stream);
byte[] datalen = new byte[8];
br.Read(datalen, 0, 8);
string lenStr = (Encoding.Default.GetString(datalen));
int len = int.Parse(lenStr);//BitConverter.ToInt32(datalen, 0);//
Console.WriteLine(len);
byte[] buffer = new byte[len];
br.Read(buffer, 0, buffer.Length);
MemoryStream ms = new MemoryStream(buffer, 0, buffer.Length);
ms.Position = 0;
Image img = Image.FromStream(ms);
Invoke(new MethodInvoker(delegate()
{
pictureBox1.Image = img;
}
));
想法是首先将图片字节的长度作为 8 字节长度发送,例如,如果字节长度为 10,则 8 字节长度为“00000010”,接收到的第一张图像非常好且很快,但第二张返回错误,可以使 8 字节长度为整数,收到的字节 [] 更像“?///???” 和类似的东西,如果有人能帮我弄清楚,我将非常感激