Java界面版 内存地址转换的三种方式过程演示

import java.awt.*; import java.awt.event.*; import javax.swing.*; public class JMenubar extends JFrame{ /** * */ private static final long serialVersionUID = 1L; /** * Creates a new instance of <code>JMenuBar</code>. */ private JMenuBar Jm; private JMenu col,about; private JMenuItem gre,red,yel,blue,clo; public static JTextArea jta; static JTextField jtf1,jtf2,jtf3; static JButton j1,j2,j3; private JLabel b1=new JLabel("输入逻辑地址"); private JLabel b2=new JLabel("输入页内地址"); private JLabel b3=new JLabel("输入页号"); public static int t = 0; public JMenubar() { super("三种存储管理方式的地址换算过程"); Container c=getContentPane(); c.setLayout(new BorderLayout()); j1=new JButton("确定"); jtf1 = new JTextField(); jtf1.setColumns(10); jtf2 = new JTextField(); jtf2.setColumns(10); jtf3 = new JTextField(); jtf3.setColumns(10); JPanel p1 =new JPanel(); p1.add(b1); p1.add(jtf1); p1.add(b2); p1.add(jtf2); p1.add(b3); p1.add(jtf3); p1.add(j1); c.add(p1, BorderLayout.NORTH); jta = new JTextArea(); jta.setEditable(false); jta.setBackground(new Color(238,248,248)); jta.append("转换过程如下：\n"); c.add(jta, BorderLayout.CENTER); Jm=new JMenuBar(); gre=new JMenuItem("分页/分段地址转换算法"); red=new JMenuItem("分段地址转换算法"); yel = new JMenuItem("段页式转换算法"); col=new JMenu("选择地址换算算法类型"); about=new JMenu("关于"); blue = new JMenuItem("关于"); clo=new JMenuItem("退出"); gre.addActionListener(new Handler1()); red.addActionListener(new Handler1()); yel.addActionListener(new Handler1()); blue.addActionListener(new Handler1()); clo.addActionListener(new Handler1()); col.add(gre); col.add(yel); col.add(blue); about.add(blue); about.add(clo); Jm.add(col); Jm.add(about); setJMenuBar(Jm); setSize(780,450); Hide(); setVisible(true); this.setLocation((int)(Toolkit.getDefaultToolkit().getScreenSize().getWidth()-this.getWidth())/2, (int) (Toolkit.getDefaultToolkit().getScreenSize().getHeight()-this.getHeight())/2); } public void Hide() { b1.setVisible(false); b2.setVisible(false); b3.setVisible(false); jtf1.setVisible(false); jtf2.setVisible(false); jtf3.setVisible(false); j1.setVisible(false); } public void Show(int i) { if(i==0){ b1.setVisible(true); b2.setVisible(true); b3.setVisible(false); jtf1.setVisible(true); jtf2.setVisible(true); jtf3.setVisible(false); j1.setVisible(true);} else { b1.setVisible(true); b2.setVisible(true); b3.setVisible(true); jtf1.setVisible(true); jtf2.setVisible(true); jtf3.setVisible(true); j1.setVisible(true); } } /** * @param args the command line arguments */ public static void main(String[] args) { JMenubar app=new JMenubar(); app.addWindowListener(new Handler()); j1.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { // TODO Auto-generated method stub if (e.getSource()==j1) { if(jtf3.getText().equals("")){ if(jtf1.getText().equals("")||jtf2.getText().equals("")){ jta.setText("请输入逻辑地址和页内地址"); }else{ jta.setText(""); jta.setText("页式转换过程如下：\n"); Page.page(Integer.valueOf(jtf1.getText()),Integer.valueOf(jtf2.getText())); jta.append("段式转换过程如下：\n"); Segment.segment(Integer.valueOf(jtf1.getText()),Integer.valueOf(jtf2.getText())); }} else { jta.setText(""); jta.setText("段页式转换过程如下：\n"); SegPagtMem.SegPagt(Integer.valueOf(jtf1.getText()),Integer.valueOf(jtf2.getText()),Integer.valueOf(jtf3.getText())); } } } } ); // TODO code application logic here } static class Handler extends WindowAdapter { public void windowClosing(WindowEvent e) { System.exit(0); } } class Handler1 implements ActionListener { public void actionPerformed(ActionEvent e) { JMenuItem mi=(JMenuItem)e.getSource(); if(mi==gre) { Show(0); } else if(mi==red) { Show(1); } else if(mi==yel) { Show(1); } else if(mi==blue){ JOptionPane.showMessageDialog(null, "内存地址转换过程演示 2013/7"); } else if(mi==clo) { System.exit(0); } } } }