java编程实现记事本(菜鸟级).doc

import java.awt.BorderLayout;import java.awt.Container;import java.awt.event.KeyEvent;import javax.swing.JDesktopPane;import javax.swing.JFrame;import javax.swing.JMenu;import javax.swing.JMenuBar;import javax.swing.JMenuItem;import javax.swing.JTextArea;import javax.swing.KeyStroke;public class china extends JFramepublic china()super();setTitle(新建 文本文档.txt-记事本);setBounds(100,200,450,450);setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);JMenuBar menuBar=new JMenuBar();setJMenuBar(menuBar);setJMenuBar(menuBar);Container c =getContentPane();c.setLayout(new BorderLayout(); JTextArea ta=new JTextArea(); c.add(ta,BorderLayout.CENTER); JMenu a=new JMenu(文件);menuBar.add(a);JMenu s=new JMenu(编辑);menuBar.add(s);JMenu h=new JMenu(格式);menuBar.add(h);JMenu b=new JMenu(查看);menuBar.add(b);JMenu e=new JMenu(帮助);menuBar.add(e);JMenuBar d=new JMenuBar();JMenuItem mi_newf=new JMenuItem(新建(N);JMenuItem mi_open=new JMenuItem(打开(O);JMenuItem mi_save=new JMenuItem(保存(S);JMenuItem mi_lsave=new JMenuItem(另保存为(A);JMenuItem mi_yemian=new JMenuItem(页面设置(U);JMenuItem mi_dayin=new JMenuItem(打印(P);JMenuItem mi_quit=new JMenuItem(退出(Q);JMenuItem mi_chexiao=new JMenuItem(撤销(U);JMenuItem mi_jianqie=new JMenuItem(剪切(T);JMenuItem mi_copy=new JMenuItem(复制(C);JMenuItem mi_paste=new JMenuItem(粘贴(P);JMenuItem mi_delete=new JMenuItem(删除(D);JMenuItem mi_look=new JMenuItem(查找(L);JMenuItem mi_looknext=new JMenuItem(查找下一个(X);JMenuItem mi_tihuan=new JMenuItem(替换(R);JMenuItem mi_zhuandao=new JMenuItem(转到(G);JMenuItem mi_all=new JMenuItem(全选(A);JMenuItem mi_date=new JMenuItem(时间/日期(F5);JMenuItem mi_zidong=new JMenuItem(自动换行(W);JMenuItem mi_ziti=new JMenuItem(字体(T);JMenuItem mi_zhuangtai=new JMenuItem(状态栏(S);JMenuItem mi_team=new JMenuItem(帮助主题(H);JMenuItem mi_guanyu=new JMenuItem(关于记事本(A);a.add(mi_newf);a.add(mi_open);a.add(mi_save);a.add(mi_lsave);a.addSeparator();a.add(mi_yemian);a.add(mi_dayin);a.addSeparator();a.add(mi_quit);s.add(mi_chexiao);s.addSeparator();s.add(mi_jianqie);s.add(mi_copy);s.add(mi_paste);s.add(mi_delete);s.addSeparator();s.add(mi_look);s.add(mi_tihuan);s.add(mi_zhuandao);s.addSeparator();s.add(mi_all);s.add(mi_date);h.add(mi_zidong);h.add(mi_ziti);b.add(mi_zhuangtai);e.add(mi_team);e.addSeparator();e.add(mi_guanyu);mi_newf.setMnemonic(KeyEvent.VK_N); mi_open.setMnemonic(KeyEvent.VK_O);mi_save.setMnemonic(KeyEvent.VK_S);mi_lsave.setMnemonic(KeyEvent.VK_A);mi_yemian.setMnemonic(KeyEvent.VK_U);mi_dayin.setMnemonic(KeyEvent.VK_P);mi_quit.setMnemonic(KeyEvent.VK_Q);mi_chexiao.setMnemonic(KeyEvent.VK_U);mi_jianqie.setMnemonic(KeyEvent.VK_T);mi_copy.setMnemonic(KeyEvent.VK_C);mi_paste.setMnemonic(KeyEvent.VK_P);mi_delete.setMnemonic(KeyEvent.VK_D);mi_look.setMnemonic(KeyEvent.VK_L);mi_looknext.setMnemonic(KeyEvent.VK_X);mi_tihuan.setMnemonic(KeyEvent.VK_R);mi_zhuandao.setMnemonic(KeyEvent.VK_G);mi_all.setMnemonic(KeyEvent.VK_A);mi_date.setMnemonic(KeyEvent.VK_F);mi_zidong.setMnemonic(KeyEvent.VK_W);mi_ziti.setMnemonic(KeyEvent.VK_T);mi_zhuangtai.setMnemonic(KeyEvent.VK_S);mi_team.setMnemonic(KeyEvent.VK_H);mi_guanyu.setMnemonic(KeyEvent.VK_A); mi_newf.setAccelerator( KeyStroke.getKeyStroke(N, java.awt.Event.SHIFT_MASK, false) ); mi_open.setAccelerator( KeyStroke.getKeyStroke(O, java.awt.Event.SHIFT_MASK, false) ); mi_save.setAccelerator( KeyStroke.getKeyStroke(S, java.awt.Event.SHIFT_MASK, false) ); mi_lsave.setAccelerator( KeyStroke.getKeyStroke(A, java.awt.Event.SHIFT_MASK, false) ); mi_yemian.setAccelerator( KeyStroke.getKeyStroke(U, java.awt.Event.SHIFT_MASK, false) ); mi_dayin.setAccelerator( KeyStroke.getKeyStroke(P, java.awt.Event.SHIFT_MASK, false) ); mi_quit.setAccelerator( KeyStroke.getKeyStroke(Q, java.awt.Event.SHIFT_MASK, false) ); mi_chexiao.setAccelerator( KeyStroke.getKeyStroke(U, java.awt.Event.SHIFT_MASK, false) ); mi_jianqie.setAccelerator( KeyStroke.getKeyStroke(T, java.awt.Event.SHIFT_MASK, false) ); mi_copy.setAccelerator( KeyStroke.getKeyStroke(C, java.awt.Event.SHIFT_MASK, false) ); mi_paste.setAccelerator( KeyStroke.getKeyStroke(P, java.awt.Event.SHIFT_MASK, false) ); mi_delete.setAccelerator( KeyStroke.getKeyStroke(D, java.awt.Event.SHIFT_MASK, false) ); mi_look.setAccelerator( KeyStroke.getKeyStroke(L, java.awt.Event.SHIFT_MASK, false) ); mi_looknext.setAccelerator( KeyStroke.getKeyStroke(X, java.awt.Event.SHIFT_MASK, false) ); mi_tihuan.setAccelerator( KeyStroke.getKeyStroke(R, java.awt.Event.SHIFT_MASK, false) ); mi_zhuandao.setAccelerator( KeyStroke.getKeyStroke(G, java.awt.Event.SHIFT_MASK, false) ); mi_all.setAccelerator( KeyStroke.getKeyStroke(A, java.awt.Event.SHIFT_MASK, false) ); mi_date.setAccelerator( KeyStroke.getKeyStroke(F, java.awt.Event.SHIFT_MASK, false) ); mi_zidong.setAccelerator( KeyStroke.getKeyStroke(W, java.awt.Event.SHIFT_MASK, false) ); mi_ziti.setAccelerator( KeyStroke.getKeyStroke(T, java.awt.Event.SHIFT_MASK, false) ); mi_zhuangtai.setAccelerator( KeyStroke.getKeyStroke(S, java.awt.Event.SHIFT_MASK, false) ); mi_te