精选优质文档-倾情为你奉上import java.awt.*;import javax.swing.*;import java.awt.event.*;public class MainFrame extends JFrame/置换加密算法private JPanel panel1 = null;private JPanel panel2 = null;private JPanel panel11 = null;private JPanel panel12 = null;private JPanel panel13 = null;private JPanel panel14 = null;private JPanel panel15 = null;private JPanel panel21 = null;private JPanel panel22 = null;private JPanel panel23 = null;private JPanel panel24 = null;pr
