计算机网络实验代码.doc

package we; /** * 获取Mac地址，并以16进制输出 */ import java.net.NetworkInterface; import java.net.SocketException; import java.util.Enumeration; public class GetMac { public static String hexByte(Byte b){ String s = 000000 + Integer.toHexString(b); return s.substring(s.length()-2); } public static String getMAC(){ EnumerationNetworkInterface el; String mac_s = ; try{ el = NetworkInterface.getNetworkInterfaces(); while(el.hasMoreElements()){ byte[] mac = el.nextElement().getHardwareAddress(); if(mac == null) continue; mac_s = hexByte(mac[0]) + - + hexByte(mac[1]) + - +hexByte(mac[2])+-+hexByte(mac[3])+- +hexByte(mac[4])+-+hexByte(mac[5]); System.out.println(mac_s + Mac地址); } }catch(SocketException el1){ el1.printStackTrace(); } return mac_s; } public static void main(String[] args){ GetMac m = new GetMac(); m.getMAC(); } } package we; import java.awt.BorderLayout; import java.awt.Dimension; import java.awt.Toolkit; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.net.Socket; import java.net.UnknownHostException; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.JScrollPane; import javax.swing.JSplitPane; import javax.swing.JTextArea; public class SocketClient { public static int PORT = 8080; private PrintWriter pw; private JFrame frame; private JPanel pane_buttom; private JSplitPane pane_center; //显示内容的文本框，输入内容的文本框,发送内容按钮 private JScrollPane pane_showWindow; private JScrollPane pane_inputWindow; private JTextArea area_showWindow; private JTextArea area_inputWindow; private JButton btn_send; private Dimension dimension;//用于设置area_showWindow可拖拉的大小 public SocketClient(){ frame = new JFrame(); pane_butt