远程发送开机指令
转发一段用java发送远程开机数据包的代码：
另外，在线发送的网址：http://www.depicus.com/wake-on-lan/woli.aspx
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package com.lh.openOS; import java.net.DatagramPacket;import java.net.DatagramSocket;import java.net.InetAddress;import java.net.SocketException; public class TestOpenOS{ private int port = 10000; private String mac = "8C-89-A5-19-82-9A"; private String ipAddress = "255.255.255.255"; public TestOpenOS() { // TODO Auto-generated constructor stub } private void setMac(String mac) { this.mac = mac; } public TestOpenOS(int port, String mac, String ipAddress) { this.port = port; this.mac = mac; this.ipAddress = ipAddress; } public void sendOpenOS() { InetAddress destHost = null; DatagramSocket ds = null; try { destHost = InetAddress.getByName(ipAddress); byte[] destMac = getMacBytes(mac); byte[] magicBytes = new byte[102]; // 将数据包的前六位放入0xFF即“FF”的二进制 // 发一个BroadCast包，包的内容包括以下数据就可以了。 // FF FF FF FF FF FF，6个FF是数据的开始， // 紧跟着16次MAC地址就可以了。 for (int i = 0; i < 16; i++) { for (int j = 0; j < destMac.length; j++) { magicBytes[6 + destMac.length * i + j] = destMac[j]; magicBytes[j] = (byte) 0xFF; } } // --------------------查看数据报发出的数据--------------------- for (int i = 1; i <= 102; i++) { if (((i - 1) % 6) == 0) { System.out.println(); } System.out.print(magicBytes[i - 1] + "==="); } // System.out.println("port =" + port + ", destHost=" + destHost + ",magicBytes.length = " + magicBytes.length); DatagramPacket dp = null; try { dp = new DatagramPacket(magicBytes, magicBytes.length, destHost, port); ds = new DatagramSocket(); ds.send(dp); } catch (Exception e) { // TODO: handle exception e.printStackTrace(); } } catch (Exception e) { // TODO: handle exception e.printStackTrace(); } finally { if (null != ds) { //关闭数据报流 ds.close(); } } } // 远程关机 public void sendCloseOS() { } /** * 将16进制的mac地址转换为二进制 * @param macStr * @return * @throws IllegalArgumentException */ private static byte[] getMacBytes(String macStr) throws IllegalArgumentException { byte[] bytes = new byte[6]; String[] hex = macStr.split("(\\:|\\-)"); if (hex.length != 6) { throw new IllegalArgumentException("mac 地址有问题，你看看对不对？Invalid MAC address."); } try { for (int i = 0; i < 6; i++) { bytes[i] = (byte) Integer.parseInt(hex[i], 16); } } catch (NumberFormatException e) { throw new IllegalArgumentException("Invalid hex digit in MAC address."); } return bytes; } public static void main(String[] args) { TestOpenOS w = new TestOpenOS(); w.sendOpenOS(); w.setMac("8C-89-A5-19-80-3D"); w.sendOpenOS(); }}?
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