java 文本编辑器

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1、packagecom.lf.frame;importjava.awt.BorderLayout;importjava.awt.Color;importjava.awt.Container;importjava.awt.FlowLayout;importjava.awt.Font;importjava.awt.Frame;importjava.awt.Label;importjava.awt.event.ActionEvent;importjava.awt.event.ActionListener;importjava.awt.event.WindowAdapter;importjava.

2、awt.event.WindowEvent;importjava.io.File;importjava.io.FileInputStream;importjava.io.FileNotFoundException;importjava.io.FileOutputStream;importjava.io.IOException;importjavax.swing.JFileChooser;importjavax.swing.JFrame;importjavax.swing.JMenu;importjavax.swing.JMenuBar;importjavax.swing.JMenuIte

3、m;importjavax.swing.JTextPane;importjavax.swing.event.CaretEvent;importjavax.swing.event.CaretListener;/***@Description:文本编辑器*@modifyByLIFENG*@modifyDate2014-6-24上午09:55:58*/publicclassMyFrameextendsJFrame{/**@FieldsserialVersionUID:*/privatestaticfinallongserialVersionUID=-2839804867272812883L;C

4、ontainerc=newContainer();Labella=newLabel("书山有路勤为径!");JMenuBarjmb=newJMenuBar();JMenufile=newJMenu("文件");JMenuedit=newJMenu("编辑");JMenuoption=newJMenu("选项");JMenuabout=newJMenu("关于");JMenuItemnewFile=newJMenuItem("新建");JMenuItemopen=newJMenuItem("打开");JMenuItemsave=newJMenuItem("保存");JMenuItemsav

5、eAs=newJMenuItem("另存为");JMenuItemexit=newJMenuItem("退出");JMenuItemcopy=newJMenuItem("复制");JMenuItemcut=newJMenuItem("剪切");JMenuItempaste=newJMenuItem("粘贴");JMenuItemdelete=newJMenuItem("全部删除");JMenuItemitalic=newJMenuItem("斜体");JMenuItembold=newJMenuItem("加粗");JMenuItemversion=newJMenuItem("版本");

6、JMenuItemhelp=newJMenuItem("帮助");JTextPaneta=newJTextPane();JFileChooserchooser=newJFileChooser();FileInputStreamfilestream=null;Myversionexitversion=newMyversion();Stringselected=newString();StringfilePath="";intdot,mark;publicMyFrame(){chooser.setSize(400,350);chooser.setDialogTitle("学海无涯苦作舟");

7、chooser.setVisible(true);la.setSize(200,20);la.setBackground(Color.orange);Fontf=newFont("TimesRoman",Font.PLAIN,16);c=this.getContentPane();c.setLayout(newBorderLayout());c.add(ta,"Center");this.setJMenuBar(jmb);jmb.s