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package mysocket;
import java.net.*;
public class MyConnection
{
public static void main(String[] args)
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{
try
{
if (args.length > 0)
{
Socket socket = new Socket(args[0], 80);
System.out.println(args[0] + "宸茶繛鎺ユ垚鍔�!");
}
else
System.out.println("璇锋寚瀹欼P鎴栧煙鍚嶏紒");
}
catch (Exception e)
{
System.err.println("閿欒淇℃伅锛�" + e.getMessage());
}
}
}
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java mysocket.MyConnection 127.0.0.1
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java mysocket.MyConnection www.ptpress.com.cn
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java mysocket.MyConnection www.ptpress1.com.cn
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package mysocket;
import java.net.*;
public class MyConnection1 extends Thread
{
private int minPort, maxPort;
public MyConnection1(int minPort, int maxPort)
{
this.minPort = minPort;
this.maxPort = maxPort;
}
public void run()
{
for (int i = minPort; i <= maxPort; i++)
{
try
{
Socket socket = new Socket("127.0.0.1", i);
System.out.println(String.valueOf(i) + ":ok");
socket.close();
}
catch (Exception e)
{
}
}
}
public static void main(String[] args)
{
int minPort = Integer.parseInt(args[0]), maxPort = Integer
.parseInt(args[1]);
int threadCount = Integer.parseInt(args[2]);
int portIncrement = ((maxPort - minPort + 1) / threadCount)
+ (((maxPort - minPort + 1) % threadCount) == 0 ? 0 : 1);
MyConnection1[] instances = new MyConnection1[threadCount];
for (int i = 0; i < threadCount; i++)
{
instances[i] = new MyConnection1(minPort + portIncrement * i, minPort
+ portIncrement - 1 + portIncrement * i);
instances[i].start();
}
}
}
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