Java 这个程序=程序； this.sourceFolder=sourceFolder； } @凌驾 受保护的无效进程（列表块）{ //回到EDT for（字符串值：块）{ if（value.equalsIgnoreCase（“处理”））{ lblMessage.setText（“处理”）； ImageIcon图标=新的ImageIcon（“clock.gif”）； lblPic.setIcon（图标）； }else if（value.equalsIgnoreCase（“完成”））{ lblMessage.setText（“完成”）； }否则{ //可能还有其他消息。。。 } } } @凌驾 受保护的整数doInBackground（）引发异常{ int结果=-1； 字符串strExecutableFilename=程序； 字符串strSourceFolder=sourceFolder； 字符串strCommand=strExecutableFilename+“”+strSourceFolder； 发布（“处理”）； //lblMessage.setText（“处理”）； //ImageIcon图标=新的ImageIcon（“clock.gif”）； //lblPic.setIcon（图标）； 试一试{ ProcessBuilder pb=新的ProcessBuilder（程序）； 重定向错误（）； pb.directory（新文件（strSourceFolder））； Process procCommand=pb.start（）； //Process procommand=Runtime.getRuntime（）.exec（strCommand）； 试一试{ 结果=procommand.waitFor（）； }捕获（中断异常异常）{ 异常。printStackTrace（）； }最后{ } //lblMessage.setText（“完成”）； 出版（“完成”）； }捕获（IOE异常）{ e、 printStackTrace（）； } 返回结果； } }

您还应该熟悉

ProcessBuilder

。它有许多用于构建流程的有用方法，并克服了人们在尝试让

Runtime.getRuntime（）.exec

工作时遇到的一些困难

---

您应该查看更多详细信息

确认onLaunchProgram是在EDT上下文之外执行的，否则这没有什么区别。Jean，谢谢您的回复，但我使用了您的代码，我仍然有相同的问题。它运行exe程序，然后在exe程序完成后显示时钟和消息。请验证onLaunchProgram是否在EDT上下文之外执行，否则这不会有任何影响。Jean，感谢您的回复，但我使用了您的代码，我仍然有相同的问题。它运行exe程序，然后在exe程序完成后显示时钟和消息。

    ...

    JTextField txtFolder = new JTextField();
    JLabel lblMessage = new JLabel();
    JLabel lblPic = new JLabel();
    JButton btnLaunchApplication = new JButton("Launch Program");  

    ...  

    btnLaunchApplication.addActionListener(new ActionListener() {  
        public void actionPerformed(ActionEvent evt) {  
            onLaunchProgram(evt);  
        }  
     });  

    ...

    if (returnVal == JFileChooser.APPROVE_OPTION){
        file = fc.getSelectedFile();
        txtFolder.setText(file.getAbsolutePath());
    }

    ...

    private void onLaunchProgram(ActionEvent evt) {
        String strExecutableFilename = "MyExecutableProgam";
        String strSourceFolder = txtFolder.getText();
        String strCommand = strExecutableFilename + " " + strSourceFolder;
        lblMessage.setText("Processing");
        ImageIcon icon = new ImageIcon("clock.gif");
        lblPic.setIcon(icon);
        try {
            Process procCommand = Runtime.getRuntime().exec(strCommand);
            try {
                procCommand.waitFor();
            } catch (InterruptedException exception) {
                exception.printStackTrace();
            } finally {
            }
            lblMessage.setText("Finished");
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
        }
    }

private void onLaunchProgram(ActionEvent evt) {
        String strExecutableFilename = "MyExecutableProgam";
        String strSourceFolder = txtFolder.getText();
        String strCommand = strExecutableFilename + " " + strSourceFolder;
        ImageIcon icon = new ImageIcon("clock.gif");
        javax.swing.SwingUtilities.invokeLater(
            new Runnable() {
                 public void run() {
                     lblMessage.setText("Processing");
                     lblPic.setIcon(icon);
                 }
            });

        try {
            Process procCommand = Runtime.getRuntime().exec(strCommand);
            try {
                procCommand.waitFor();
            } catch (InterruptedException exception) {
                exception.printStackTrace();
            } finally {
            }

            javax.swing.SwingUtilities.invokeLater(
                new Runnable() {
                    public void run() {
                      lblMessage.setText("Finished");
                    }
                 });
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
        }
    }

public class ProcessWorker extends SwingWorker<Integer, String> {

    private String program;
    private String sourceFolder;

    public ProcessWorker(String program, String sourceFolder) {
        this.program = program;
        this.sourceFolder = sourceFolder;
    }

    @Override
    protected void process(List<String> chunks) {
        // Back on the EDT
        for (String value : chunks) {
            if (value.equalsIgnoreCase("PROCESSING")) {
                lblMessage.setText("Processing");
                ImageIcon icon = new ImageIcon("clock.gif");
                lblPic.setIcon(icon);
            } else if (value.equalsIgnoreCase("FINISHED")) {
                lblMessage.setText("Finished");
            } else {
                // Possible some other message...
            }
        }
    }

    @Override
    protected Integer doInBackground() throws Exception {
        int result = -1;

        String strExecutableFilename = program;
        String strSourceFolder = sourceFolder;
        String strCommand = strExecutableFilename + " " + strSourceFolder;
        publish("PROCESSING");
//        lblMessage.setText("Processing");
//        ImageIcon icon = new ImageIcon("clock.gif");
//        lblPic.setIcon(icon);
        try {
            ProcessBuilder pb = new ProcessBuilder(program);
            pb.redirectError();
            pb.directory(new File(strSourceFolder));
            Process procCommand = pb.start();
//            Process procCommand = Runtime.getRuntime().exec(strCommand);
            try {
                result = procCommand.waitFor();
            } catch (InterruptedException exception) {
                exception.printStackTrace();
            } finally {
            }
//            lblMessage.setText("Finished");
            publish("FINISHED");
        } catch (IOException e) {
            e.printStackTrace();
        }

        return result;
    }
}