「java远程唤醒」远程唤醒命令
今天给各位分享java远程唤醒的知识，其中也会对远程唤醒命令进行解释，如果能碰巧解决你现在面临的问题，别忘了关注本站，现在开始吧！
本文目录一览：
java多线程怎么唤醒特定线程
java使用单纯的wait/notify是无法唤醒指定线程的
一般的做法是修改一个特定标识，然后notifyAll，被唤醒的线程查看该标识是否指定自己处理，是就运行下去，不是就继续wait
还有一种做法是针对每一个线程做一个wait object，要唤醒哪一个就notify哪一个object就行了，但是能不能这样做去取决于你的业务需求
求助：高分求用java实现walk-on-lan的代码!!!
联系我，发给你一个吧~~我的邮箱 yanli3130@126.com
这是主要的代码
/*
* WakeFrame.java
*
* Created on 2007年9月6日 下午9:06
*
* To change this template, choose Tools | Template Manager
* and open the template in the editor.
*/
package wakelan;
/**
*
* @author hyj
*/
import java.awt.*;
import java.awt.event.*;
import java.text.*;
import javax.swing.*;
import javax.swing.text.*;
import java.io.*;
import java.net.*;
import java.util.*;
public class WakeFrame extends JFrame implements ActionListener,ItemListener {
/** Creates a new instance of WakeFrame */
public WakeFrame() {
super("局域网远程唤醒工具");
width=300;
height=160;
setSize(width,height);
Toolkit tk=this.getToolkit();
int scrWidth=tk.getScreenSize().width;
int scrHeight=tk.getScreenSize().height;
setLocation((scrWidth-width)/2,(scrHeight-height)/2);
setResizable(false);
datafile="maclist.txt";
MACArray=new Vector();
try{
BufferedReader reader=new BufferedReader(new InputStreamReader(new FileInputStream(datafile)));
String address;
while((address=reader.readLine())!=null){
MACArray.addElement(address.substring(address.indexOf("--")+2));
}
reader.close();
reader=null;
}catch(FileNotFoundException fnfe){
JOptionPane.showMessageDialog(this,"MAC地址数据文件不存在！","程序错误",JOptionPane.ERROR_MESSAGE);
}catch(IOException ioe){
JOptionPane.showMessageDialog(this,"MAC地址数据输入出现错误","程序错误",JOptionPane.ERROR_MESSAGE);
}
port=9;
initComponents();
}
private void initComponents(){
Container container=this.getContentPane();
container.setLayout(new GridLayout(4,2,20,10));
ListLabel=new JLabel("目标主机列表");
MACList=new JComboBox(MACArray);
MACList.addItemListener(this);
MACLabel=new JLabel("目标主机");
BroadcastLabel=new JLabel("广播地址");
MACAddr=new JTextField(17);
BroadcastAddr=new JTextField(15);
OKButton=new JButton("确定");
OKButton.addActionListener(this);
ExitButton=new JButton("退出");
ExitButton.addActionListener(this);
container.add(ListLabel);
container.add(MACList);
container.add(MACLabel);
container.add(MACAddr);
container.add(BroadcastLabel);
container.add(BroadcastAddr);
container.add(OKButton);
container.add(ExitButton);
}
public void actionPerformed(ActionEvent e){
if(e.getSource()==OKButton){
try{
String[] hex=MACAddr.getText().split(":");
byte[] MACbytes=new byte[6];
int i;
for(i=0;i6;i++){
MACbytes[i]=(byte)Integer.parseInt(hex[i], 16);
}
byte[] magicPacket=new byte[6+16*MACbytes.length];
for(i=0;i6;i++)
magicPacket[i]=(byte)0xff;
for(i=6;imagicPacket.length;i+=MACbytes.length){
System.arraycopy(MACbytes,0,magicPacket,i,MACbytes.length);
}
InetAddress address=InetAddress.getByName(BroadcastAddr.getText());
DatagramPacket packet=new DatagramPacket(magicPacket,magicPacket.length,address,port);
DatagramSocket socket=new DatagramSocket();
socket.send(packet);
socket.close();
JOptionPane.showMessageDialog(this,"远程启动指令已经发出！","系统提示",JOptionPane.INFORMATION_MESSAGE);
}catch(NumberFormatException nfe){
JOptionPane.showMessageDialog(this,"地址格式有错！"+nfe.getMessage(),"系统错误",JOptionPane.ERROR_MESSAGE);
}catch(IOException ioe){
JOptionPane.showMessageDialog(this,"网络通信出错！"+ioe.getMessage(),"系统错误",JOptionPane.ERROR_MESSAGE);
}
}
if(e.getSource()==ExitButton){
dispose();
System.exit(0);
}
}
public void itemStateChanged(ItemEvent e){
if(e.getSource()==MACList){
MACAddr.setText((String)MACList.getSelectedItem());
}
}
private int width,height;
private JLabel ListLabel,MACLabel,BroadcastLabel;
private Vector MACArray;
private JComboBox MACList;
private JTextField MACAddr;
private JTextField BroadcastAddr;
private int port;
private JButton OKButton,ExitButton;
private String datafile;
}
/*
* WakeLan.java
*
* Created on 2007年9月6日 下午9:05
*
* To change this template, choose Tools | Template Manager
* and open the template in the editor.
*/
package wakelan;
/**
*
* @author hyj
*/
import java.awt.*;
import javax.swing.*;
public class WakeLan {
/**
* @param args the command line arguments
*/
public static void main(String[] args) {
// TODO code application logic here
Font defaultFont=new Font("宋体",Font.PLAIN,16);
UIManager.put("Label.font",defaultFont);
UIManager.put("Button.font",defaultFont);
UIManager.put("TextField.font",defaultFont);
WakeFrame frame=new WakeFrame();
frame.setVisible(true);
}
}
java怎么实现远程关闭计算机，远程唤醒的做好了，远程关机的不知道该怎么做
有管理员权限吧，那用shutdown命令就可以了
shutdown -m \\192.168.0.10 -f -s -t 0
shutdown /? 看看帮助信息。
C:\Windows\system32shutdown /?
Usage: shutdown [/i | /l | /s | /r | /g | /a | /p | /h | /e] [/f]
[/m \\computer][/t xxx][/d [p|u:]xx:yy [/c "comment"]]
No args Display help. This is the same as typing /?.
/? Display help. This is the same as not typing any options.
/i Display the graphical user interface (GUI).
This must be the first option.
/l Log off. This cannot be used with /m or /d options.
/s Shutdown the computer.
/r Shutdown and restart the computer.
/g Shutdown and restart the computer. After the system is
rebooted, restart any registered applications.
/a Abort a system shutdown.
This can only be used during the time-out period.
/p Turn off the local computer with no time-out or warning.
Can be used with /d and /f options.
/h Hibernate the local computer.
Can be used with the /f option.
/e Document the reason for an unexpected shutdown of a computer.
/m \\computer Specify the target computer.
/t xxx Set the time-out period before shutdown to xxx seconds.
The valid range is 0-315360000 (10 years), with a default of 30.
If the timeout period is greater than 0, the /f parameter is
implied.
/c "comment" Comment on the reason for the restart or shutdown.
Maximum of 512 characters allowed.
/f Force running applications to close without forewarning users.
The /f parameter is implied when a value greater than 0 is
specified for the /t parameter.
/d [p|u:]xx:yy Provide the reason for the restart or shutdown.
p indicates that the restart or shutdown is planned.
u indicates that the reason is user defined.
If neither p nor u is specified the restart or shutdown is
unplanned.
xx is the major reason number (positive integer less than 256).
yy is the minor reason number (positive integer less than 65536).
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