//线程池要委托的方法
void ThreadScan(object obj)
{
TcpConnect端口 myTcpConnect端口 = (TcpConnect端口)obj;//把发送的结构转换成自己自定义的结构/拆箱
try
{
myTcpConnect端口.myTcpClient.Connect(myTcpConnect端口.hostname, myTcpConnect端口.x);
SetText("目标端口: " + myTcpConnect端口.x.ToString() + " 目前打开!!"); //输出当前打开的端口
myTcpConnect端口.myTcpClient.Close(); //关闭TCP客户端实例
}
catch
{
SetText("目标端口: " + myTcpConnect端口.x.ToString() + " 关闭!!");//输出连接失败的原因
}
}
private void Port_Click(object sender, EventArgs e)
{
//获取你输入的IP地址或者主机名称
string pHostName = text1.Text.Trim().Replace("。", ".");
int a = 0;
int b = 255;
if (text3.Text != "" && text4.Text != "")
{
try
{
a = Convert.ToInt32(text3.Text);
b = Convert.ToInt32(text4.Text);
}
catch
{
return;
}
}
if (a > b)//防止a大于b
{
int k = a;
a = b;
b = k;
}
panel.Visible = false;
text2.Text = "";
for (int i = a; i <= b; i++) //循环连接输入范围内的端口
{
TcpClient myTcpClient = new TcpClient(); //实例化一个Tcp客户端
//多线程池扫描
TcpConnect端口 myTcpConnect端口 = new TcpConnect端口(pHostName, i, myTcpClient); //封装要发送的参数
ThreadPool.QueueUserWorkItem(new WaitCallback(ThreadScan), myTcpConnect端口);
}
//PortPanel.Text = "导出";
}
