c</a>ode" <a <a class="tags" href="/tags/C.html" title=c>c</a>lass="tags" href="/tags/CLASS.html" title=<a class="tags" href="/tags/C.html" title=c>c</a>lass><a class="tags" href="/tags/C.html" title=c>c</a>lass</a>="<a <a <a class="tags" href="/tags/C.html" title=c>c</a>lass="tags" href="/tags/CLASS.html" title=<a class="tags" href="/tags/C.html" title=c>c</a>lass><a class="tags" href="/tags/C.html" title=c>c</a>lass</a>="tags" href="/tags/JAVA.html" title=java>java</a>">// 注册应用程序全局键盘事件, 所有的键盘事件都会被此事件监听器处理. Toolkit tk = Toolkit.getDefaultToolkit(); tk.addAWTEventListener(new MyAWTEventListener(), AWTEvent.KEY_EVENT_MASK); <a <a class="tags" href="/tags/C.html" title=c>c</a>lass="tags" href="/tags/CLASS.html" title=<a class="tags" href="/tags/C.html" title=c>c</a>lass><a class="tags" href="/tags/C.html" title=c>c</a>lass</a> MyAWTEventListener implements AWTEventListener { private boolean <a class="tags" href="/tags/C.html" title=c>c</a>ontrolPressed = false; private boolean <a class="tags" href="/tags/C.html" title=c>c</a>Pressed = false; @Override publi<a class="tags" href="/tags/C.html" title=c>c</a> void eventDispat<a class="tags" href="/tags/C.html" title=c>c</a>hed(AWTEvent event) { if (event.getClass() == KeyEvent.<a <a class="tags" href="/tags/C.html" title=c>c</a>lass="tags" href="/tags/CLASS.html" title=<a class="tags" href="/tags/C.html" title=c>c</a>lass><a class="tags" href="/tags/C.html" title=c>c</a>lass</a>) { // 被处理的事件是键盘事件. KeyEvent keyEvent = (KeyEvent) event; if (keyEvent.getID() == KeyEvent.KEY_PRESSED) { keyPressed(keyEvent); } else if (keyEvent.getID() == KeyEvent.KEY_RELEASED) { keyReleased(keyEvent); } } } private void keyPressed(KeyEvent event) { if (event.getKeyCode() == KeyEvent.VK_CONTROL) { <a class="tags" href="/tags/C.html" title=c>c</a>ontrolPressed = true; } else if (event.getKeyCode() == KeyEvent.VK_C) { <a class="tags" href="/tags/C.html" title=c>c</a>Pressed = true; } if (<a class="tags" href="/tags/C.html" title=c>c</a>ontrolPressed && <a class="tags" href="/tags/C.html" title=c>c</a>Pressed) { // 当Ctr + C 被按下时, 进行相应的处理. System.out.println("Ctr + C"); } } private void keyReleased(KeyEvent event) { if (event.getKeyCode() == KeyEvent.VK_CONTROL) { <a class="tags" href="/tags/C.html" title=c>c</a>ontrolPressed = false; } else if (event.getKeyCode() == KeyEvent.VK_C) { <a class="tags" href="/tags/C.html" title=c>c</a>Pressed = false; } } }