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this.addKeyListener(new KeyAdapter(){
public void keyPressed(KeyEvent e){
String keyText = KeyEvent.getKeyText(e.getKeyCode());
System.out.print(keyText + " ");
});
么有视图的话,楼主尝试自己实现一个键盘事件监听器吧
InputStreamReader reader=new InputStreamReader(System.in);
BufferedReader bf=new BufferedReader(reader);
String data;
while((data=bf.readLine())!=null && data.length()!=0){
System.out.println("echo:"+data);
}