[玩一玩]给命令行做一个GUI,JAVA版解决方法

[玩一玩]给命令行做一个GUI,JAVA版
在主页上看到,C#区有大牛给DOS的CMD做了个GUI,挺好玩的,我也动手做一个
C#贴:http://topic.csdn.net/u/20120630/19/C3D46E45-72AB-4278-9C87-EB6B88038B95

程序相对来说很简单,(连释放都没有管,直接exit了,太偷懒了...)

效果图:




源代码:
ConsoleGUI.java:

package consoleGUI;

import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.io.IOException;
import java.io.PrintWriter;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JTextField;
import javax.swing.UIManager;
import javax.swing.border.TitledBorder;
import javax.swing.text.DefaultCaret;

public class ConsoleGUI extends JFrame {

	private static final long serialVersionUID = 1L;

	private JTextField tf_cmd;
	private JButton btn_run;
	private JTextArea ta_result;
	
	private Process process;
	private PrintWriter out;
	
	public ConsoleGUI() {
		// 窗体大小
		this.setPreferredSize(new Dimension(500,500));
		this.setTitle("命令行GUI");
		
		// 命令框及按钮
		TitledBorder titledBorder = new TitledBorder("Command input");
		JPanel topPanel = new JPanel(new BorderLayout());
		topPanel.setBorder(titledBorder);
		
		topPanel.add(tf_cmd = new JTextField(),BorderLayout.CENTER);
		topPanel.add(btn_run = new JButton("执行"),BorderLayout.EAST);
		
		this.getContentPane().add(topPanel,BorderLayout.NORTH);
		
		// 显示结果
		JScrollPane resultPanel = new JScrollPane(ta_result = new JTextArea());
		this.getContentPane().add(resultPanel);
		((DefaultCaret)ta_result.getCaret()).setUpdatePolicy(DefaultCaret.ALWAYS_UPDATE);
		
		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		
		
		// 启动一个CMD
		try {
			this.process = Runtime.getRuntime().exec("cmd");
			// 获取CMD的输出流
			this.out = new PrintWriter(process.getOutputStream());
			// 将CMD的输入流绑定到显示框中
			new ConsoleIntercepter(ta_result, process.getInputStream()).start();
			new ConsoleIntercepter(ta_result, process.getErrorStream()).start();
		} catch (IOException e) {
			e.printStackTrace();
		}
		
		// 执行按钮 将命令发送给CMD
		this.btn_run.addActionListener(new ActionListener() {
			@Override
			public void actionPerformed(ActionEvent e) {
				if(tf_cmd.getText().equals(""))
					return;
				
				ta_result.setText("");
				out.println(tf_cmd.getText());
				out.flush();
			}
		});
		
		// 命令框中按下回车键的事件
		this.tf_cmd.addKeyListener(new KeyAdapter() {
			@Override
			public void keyReleased(KeyEvent e) {
				if(e.getKeyCode() == KeyEvent.VK_ENTER) {
					btn_run.doClick();
					tf_cmd.setText("");
				}
			}
		});
	}
	
	// 显示窗体
	public void showFrame() {
		this.pack();
		this.setVisible(true);
	}
	
	
	public static void main(String[] args) {