用java启动记事本程序，并输入内容

本文代码来自以下连接。
http://www.developer.com/java/other/article.php/10936_2212401_3（Introduction to the Java Robot Class in Java）
代码简单说明：可以启动windows的notepad程序，并输入 hello world 。

import javax.swing.*;
import javax.swing.event.*;
import java.awt.*;
import java.awt.event.*;
import java.io.*;

public class Robot05{
 //Create an array of keycode data
 static int keyInput[] = {
  KeyEvent.VK_H,
  KeyEvent.VK_E,
  KeyEvent.VK_L,
  KeyEvent.VK_L,
  KeyEvent.VK_O
 };//end keyInput array
 
 public static void main(String[] args)
   throws AWTException,IOException{
 
  Runtime.getRuntime().exec("notepad");
  Robot robot = new Robot();
  robot.keyPress(KeyEvent.VK_SHIFT);
  
  for (int cnt2 = 0;cnt2 < keyInput.length; cnt2++){
   
   if(cnt2 > 0){
   robot.keyRelease(KeyEvent.VK_SHIFT);
   }//end if
  
   robot.keyPress(keyInput[cnt2]);
   //Insert a one-half second delay between
   // characters.
   
   robot.delay(500);
  }//end for loop
 }//main

}//end class Robot05

Robot05的GUI版本。
Robot05GUI.java

/**
 * Robot05GUI.java
 * create by kin. 2004/11/07.
 * Please enjoy this.
 */
import javax.swing.*;
import javax.swing.event.*;

import java.awt.event.*;
import java.awt.*;

/**Robot05's GUI version.*/
public class Robot05GUI extends JFrame {
 
 private JButton b = new JButton("Start Notepad and input \"Hello World\"");
 
 public Robot05GUI() {
  super("Start Notepad and input \"Hello World\"");
  getContentPane().add(b,BorderLayout.CENTER);
  b.addActionListener(new ActionListener() {
   public void actionPerformed(ActionEvent e) {
    try {
     new Robot05().main(new String[]{}); 
    } catch (Exception ex) {
     ex.printStackTrace();
    }
   } 
  });
 } 
 
 public static void main(String[] args) {
  Robot05GUI r = new Robot05GUI();
  r.setSize(200,200);
  r.setVisible(true);
 } 
}
 

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