远程桌面关机

我制作了一个程序来监视联网地方的活动机器，并将IP地址完美地显示给JList（jList1）。当我点击列表中的IP地址之一，然后右击鼠标，JPopupMenu将出现一个菜单“关机”。当我试图从弹出菜单中点击“关机”菜单中有显示一个错误，说：远程桌面关机

Apr 14, 2011 1:57:07 PM UsernamePasswordPackage.NetCafeTime$9 actionPerformed SEVERE: null java.lang.RuntimeException: Unsupported operating system. 
     at UsernamePasswordPackage.NetCafeTime.shutdown(NetCafeTime.java:359) 
     at UsernamePasswordPackage.NetCafeTime$9.actionPerformed(NetCafeTime.java:444) 
     at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995) 
     at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318) 
     at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387) 
     at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242) 
     at javax.swing.AbstractButton.doClick(AbstractButton.java:357) 
     at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:809) 
     at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:850) 
     at java.awt.Component.processMouseEvent(Component.java:6267) 
     at javax.swing.JComponent.processMouseEvent(JComponent.java:3267) 
     at java.awt.Component.processEvent(Component.java:6032) 
     at java.awt.Container.processEvent(Container.java:2041) 
     at java.awt.Component.dispatchEventImpl(Component.java:4630) 
     at java.awt.Container.dispatchEventImpl(Container.java:2099) 
     at java.awt.Component.dispatchEvent(Component.java:4460) 
     at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4577) 
     at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4238) 
     at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4168) 
     at java.awt.Container.dispatchEventImpl(Container.java:2085) 
     at java.awt.Window.dispatchEventImpl(Window.java:2478) 
     at java.awt.Component.dispatchEvent(Component.java:4460) 
     at java.awt.EventQueue.dispatchEvent(EventQueue.java:599) 
     at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269) 
     at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184) 
     at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174) 
     at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169) 
     at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161) 
     at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)

代码我用来显示弹出式菜单：

public void showProjectMenu(MouseEvent e){ 
    JPopupMenu menu = new JPopupMenu(); 
    JMenuItem menuItem; 
    menuItem = new JMenuItem("Shutdown"); 
    menuItem.addActionListener(new ActionListener(){ 
     public void actionPerformed(ActionEvent ev){ 
      //JOptionPane.showMessageDialog(null, "newline"); 
      try { 
       shutdown(); 
      } catch (RuntimeException ex) { 
       Logger.getLogger(NetCafeTime.class.getName()).log(Level.SEVERE, null, ex); 
      } catch (IOException ex) { 
       Logger.getLogger(NetCafeTime.class.getName()).log(Level.SEVERE, null, ex); 
      } 
     } 
    }); 
    menu.add(menuItem); 
    menu.show(e.getComponent(),e.getX(),e.getY()); 
}

鼠标点击事件代码：

private void jList1MousePressed(java.awt.event.MouseEvent evt) { 
    if(SwingUtilities.isRightMouseButton(evt)&&!jList1.isSelectionEmpty()&&jList1.locationToIndex(evt.getPoint())==jList1.getSelectedIndex()){ 
      showProjectMenu(evt); 
     } 
    } 

    private void jList1MouseReleased(java.awt.event.MouseEvent evt) { 
    if(SwingUtilities.isRightMouseButton(evt)&&!jList1.isSelectionEmpty()&&jList1.locationToIndex(evt.getPoint())==jList1.getSelectedIndex()){ 
      showProjectMenu(evt); 
     } 
    }

代码我用来显示弹出式菜单：

public void showProjectMenu(MouseEvent e){ 
    JPopupMenu menu = new JPopupMenu(); 
    JMenuItem menuItem; 
    menuItem = new JMenuItem("Shutdown"); 
    menuItem.addActionListener(new ActionListener(){ 
     public void actionPerformed(ActionEvent ev){ 
      //JOptionPane.showMessageDialog(null, "newline"); 
      try { 
       shutdown(); 
      } catch (RuntimeException ex) { 
       Logger.getLogger(NetCafeTime.class.getName()).log(Level.SEVERE, null, ex); 
      } catch (IOException ex) { 
       Logger.getLogger(NetCafeTime.class.getName()).log(Level.SEVERE, null, ex); 
      } 
     } 
    }); 
    menu.add(menuItem); 
    menu.show(e.getComponent(),e.getX(),e.getY()); 
}

个

代码我用于关闭另一台电脑通过它的IP地址：

public void shutdown()throws RuntimeException, IOException{ 
    String shutdownCommand; 
    String operatingSystem = System.getProperty("os.name"); 
    if("Linux".equals(operatingSystem)||"Mac OS X".equals(operatingSystem)){ 
     shutdownCommand = "shutdown -h now"; 
    }else if("windows".equals(operatingSystem)){ 
     shutdownCommand = "shutdown.exe -s -t 0"; 
    }else{ 
     throw new RuntimeException("Unsupported operating system."); 
    } 
    Runtime.getRuntime().exec(shutdownCommand); 
}

问题是，我不能去关闭其他电脑...

任何形式的帮助将不胜感激和感谢。 ..

来源

2011-04-14 Kristine Sarah Tan

您应该改进您的比较操作系统名称的方法。要包含任何版本的Windows操作系统，您应该测试：'System.getProperty（“os.name”）。toLowerCase（）。contains（“windows”）' – eee 2011-04-14 06:49:06

谢谢先生，我做了改进。我现在的问题是如何连接到其他IP地址，以便我可以建立连接，然后能够关闭它。谢谢。 – 2011-04-14 07:44:45

对于Windows操作系统，您的关机命令缺少一些信息。完整的在线文档请参考'shutdown /？'。但是，这个命令需要更高的权限。您的Java应用程序应该以管理员模式运行，以使其正常工作。 – eee 2011-04-14 14:13:02

错误说："Unsupported operating system"并且在您的关机方法中，这是RuntimeException的消息，如果当前操作系统为“Linux”，“Max OS X”或“windows”，则会引发此消息。那么你是否检查System.getProperty("os.name")实际返回？

编辑：重新读你的问题后，我想你想关闭选定的IP地址的机器。因此，在您的关机方式中，我认为您必须首先连接到该机器并在那里执行shutdown命令。这意味着您需要在每台要远程关机的机器上运行服务器程序。无论是写自己的一个或每个安装SSH服务器，并连接到使用JSch

来源

2011-04-14 06:24:54 hage

我建议你多检查this example。随着机器，因为我明白这String operatingSystem = System.getProperty("os.name");代码返回的Windows 2000在这个例子中。

check this too

来源

2011-04-14 06:27:34 Bastardo

远程桌面关机

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