import java.awt.event.ActionEvent;
import java.awt.event.ActionEvent;
日期：2016-10-04 04:48:52 人气：2
//导入需要的类
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
public class Frame1 extends JFrame {
private static final long serialVersionUID = 1L;
public stat