private void LoginButton_Click(object sender, EventArgs e)
{
string LoginInfo;
int Port = 10000;
try//记录端口
{
Port = int.Parse(NameText.Text.Substring(6)) + 10000;
}
catch
{
InfoWindow Mes = new InfoWindow("请输入有效账号", false);
Mes.StartPosition = FormStartPosition.CenterParent;
Mes.ShowDialog();
}
IPGlobalProperties ipProperties = IPGlobalProperties.GetIPGlobalProperties();
IPEndPoint[] ipEndPoints = ipProperties.GetActiveTcpListeners();
foreach (IPEndPoint endPoint in ipEndPoints)//判断该端口是否被占用
{
if (endPoint.Port == Port)
{
InfoWindow Mes = new InfoWindow("该账号已登录", false);
Mes.StartPosition = FormStartPosition.CenterParent;
Mes.ShowDialog();
return;
}
}
TcpClient client = new TcpClient();
try//尝试连接服务器
{
client.Connect(BasicInfo.ServerIp, BasicInfo.ServerPort);
}
catch//未连接成功
{
InfoWindow Mes = new InfoWindow("连接失败\n请稍后重试", false);
Mes.StartPosition = FormStartPosition.CenterParent;
Mes.ShowDialog();
}
if (client.Connected)
{
NetworkStream ClientToServer = client.GetStream();
LoginInfo = NameText.Text + "_" + PasswordText.Text;
byte[] send = Encoding.Default.GetBytes(LoginInfo); //将输入信息转化为字节流
ClientToServer.Write(send, 0, send.Length); //写入NetworkStream
//接收
byte[] msg = new byte[1024];
int length = ClientToServer.Read(msg, 0, msg.Length);
string response = Encoding.Default.GetString(msg, 0, length);
Console.WriteLine(response);
if (response == "lol")//服务器返回登录成功
{
BasicInfo.UserName = NameText.Text;
ClientToServer.Close();
client.Close();
this.DialogResult = DialogResult.OK;
}
else
{
InfoWindow Mes = new InfoWindow("用户名或密码错误！", false);
Mes.StartPosition = FormStartPosition.CenterParent;
Mes.ShowDialog();
}
}
else
{
return;
}
}
