Soket 连接发送与接收

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///url：地址     data：数据

 public
static string GetContentFromUrl(string
url, string
data)

    {

        Socket socket = new
Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);

            IPEndPoint ip = new
IPEndPoint(IPAddress.Parse(url), 端口);

            socket.Connect(ip);//连接

            char[] cmgs = data.ToCharArray(); //字符串转字符数组

            byte[] message = new
byte[1024];

            message = Encoding.UTF8.GetBytes(data);

            socket.Send(message);   //发送数据

            byte[] bytes = new
byte[1024];

            socket.Receive(bytes);   //接收数据

            string
messages = Encoding.Default.GetString(bytes, 0, bytes.Length);

            return
messages;   //返回数据

            socket.Close();

    }