private void button1_Click(object sender, EventArgs e)
{
this.Hide();
Socket_Client sc = new Socket_Client();
sc.StartPosition = FormStartPosition.CenterScreen;
sc.Show();
// LoginForm dlg = new LoginForm();
//ctrl +k,ctrl+C 实现多行注释
// dlg.ShowDialog();
// 这里ShowDialog方法表示你必须先操作完dlg窗口，才能操作后面的主窗体。
// 如果要登录窗口显示在主窗口的中心，则在显示之前设置如下
// dlg.StartPosition = FormStartPosition.CenterParent;
// dlg.ShowDialog();
// 能够这样做的前提是主窗体必须先定义和显示。否则登录窗体可能无法找到父窗体。
//除此之外，也可以手动设置窗口显示的位置，即窗口坐标。
//首先必须把窗体的显示位置设置为手动。
//dlg.StartPosition = FormStartPosition.Manual;
//随后获取屏幕的分辨率，也就是显示器屏幕的大小。
//int xWidth = SystemInformation.PrimaryMonitorSize.Width;//获取显示器屏幕宽度
//int yHeight = SystemInformation.PrimaryMonitorSize.Height;//高度
//然后定义窗口位置，以主窗体为例
//mainForm.Location = new Point(xWidth / 2, yHeight / 2);//这里需要再减去窗体本身的宽度和高度的一半
//mainForm.Show();
}
private void ReceiveMessage()
{
long TotalLength = 0;
//如果位while（true），当窗体关闭之后还会有线程一直在跑，这样服务端就会认为该客户端没断线
while (this.Visible)
{
byte[] result = new byte[1024 * 1024 * 10];
int ReceiveLength = 0;
try
{
ReceiveLength = ClientSocket.Receive(result);
if (result[0] == 0)//表示接收到的是消息
{
try
{
richTextBox1.Text += "接收服务器消息：\r\n";
string str = Encoding.UTF8.GetString(result, 1, ReceiveLength - 1);
richTextBox1.Text += str + "\r\n";
}
catch (Exception ex)
{
richTextBox1.Text += "接收服务器消息失败！\r\n";
ClientSocket.Shutdown(SocketShutdown.Both);
ClientSocket.Close();
break;
}
}
if (result[0] == 6)//接收到监控端发送来的参数信息
{
string Information = Encoding.UTF8.GetString(result, 1, ReceiveLength - 1);
Socket_Client sc = new Socket_Client();
sc.Parameter = Information;
richTextBox1.Text += "接收修改参数：" + Information + "\r\n";
Status sta = new Status();
if (Information != null)
{
if (Information[0] == '1')
{
sta.flag11 = true;
sta.pictureBox1.Image = Properties.Resources.led_O;
}
if (Information[1] == '1')
{
sta.flag22 = true;
sta.pictureBox2.Image = Properties.Resources.led_O;
}
if (Information[2] == '1')
{
sta.flag33 = true;
sta.pictureBox3.Image = Properties.Resources.led_O;
}
if (Information[3] == '1')
{
sta.flag44 = true;
sta.pictureBox4.Image = Properties.Resources.led_O;
}
if (Information[4] == '1')
{
sta.flag55 = true;
sta.pictureBox5.Image = Properties.Resources.led_O;
}
if (Information[5] == '1')
{
sta.flag66 = true;
sta.pictureBox6.Image = Properties.Resources.led_O;
}
if (Information[6] == '1')
{
sta.flag77 = true;
sta.pictureBox7.Image = Properties.Resources.led_O;
}
if (Information[7] == '1')
{
sta.flag88 = true;
sta.pictureBox8.Image = Properties.Resources.led_O;
}
}
//sta.StartPosition = FormStartPosition.CenterScreen;
//sta.Show();
}
if (result[0] == 3)//接收到服务端返回的认证包
{
richTextBox2.Text += DateTime.Now + "接受服务器认证包:";
string str = Encoding.UTF8.GetString(result, 1, ReceiveLength - 1);
richTextBox2.Text += str + "\r\n";
heartNum = 0;//收到认证包
}
if (heartNum > 6)
{
connectCheck = false;
MessageBox.Show("服务器可能已经挂掉！");
ClientSocket.Shutdown(SocketShutdown.Both);
ClientSocket.Close();
}
if (result[0] == 2)
{
string fileNameWithLength = Encoding.UTF8.GetString(result, 1, ReceiveLength - 1);
string str1 = fileNameWithLength.Split('-').First();
TotalLength = Convert.ToInt64(fileNameWithLength.Split('-').Last());
richTextBox1.Text += "接收服务器后缀名为：" + str1 + "的文件" + "\r\n";
}
if (result[0] == 1)//表示接收到的是文件
{
try
{
richTextBox1.Text += "文件总长度" + TotalLength.ToString() + "\r\n";
SaveFileDialog sfd = new SaveFileDialog();
if (sfd.ShowDialog(this) == DialogResult.OK)
{
string fileSavePath = sfd.FileName;//获取文件保存路径
long receiveLength = 0;
bool flag = true;
int rec = 0;
using (FileStream fs = new FileStream(fileSavePath, FileMode.Create, FileAccess.Write))
{
while (TotalLength > receiveLength)
{
if (flag)
{
fs.Write(result, 1, ReceiveLength - 1);
fs.Flush();
receiveLength += ReceiveLength - 1;
flag = false;
}
else
{
rec = ClientSocket.Receive(result);
fs.Write(result, 0, rec);
fs.Flush();
receiveLength += rec;
}
}
richTextBox1.Text += "文件保存成功：" + " " + fileSavePath + "\r\n";
fs.Close();
}
}
}
catch (Exception ex)
{
richTextBox1.Text += "文件保存失败！\r\n";
MessageBox.Show(ex.Message);
connectCheck = false;
ClientSocket.Shutdown(SocketShutdown.Both);
ClientSocket.Close();
break;
}
}
}
catch (Exception ex)
{
MessageBox.Show("接收出错，服务器可能已经挂了！");
break;
}
}
}