摘要： package com.aa;import java.awt.Component;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.awt.event.KeyEvent;import java.awt.event.KeyListener;import javax.swing.*;//事件监听import javax.swing.*;class West7 extends JFrame implements ActionListener,KeyListener{//这里的键盘监听也 阅读全文