简单记事本的java程序代码VIP免费

简单记事本的 jav a 程序代码 涉及到两个文件： 第一个文件中的代码： package MyProject; import java.awt.BorderLayout; import javax.swing.JPanel; import javax.swing.JFrame; import java.awt.Dimension; import javax.swing.JMenuBar; import javax.swing.JMenu; import javax.swing.JMenuItem; import javax.swing.JLabel; import java.awt.Rectangle; import javax.swing.JTextArea; import javax.swing.JScrollPane; import java.awt.datatransfer.*; import java.io.*; public class MainFrame extends JFrame { private static final long serialVersionUID = 1L; private JPanel jContentPane = null; private JMenuBar jJMenuBar = null; private JMenu jMenu = null; private JMenu jMenu1 = null; private JMenu jMenu2 = null; private JMenuItem jMenuItem = null; private JMenuItem jMenuItem1 = null; private JMenuItem jMenuItem2 = null; private JMenuItem jMenuItem3 = null; private JLabel jLabel = null; private JScrollPane jScrollPane = null; private JTextArea jTextArea = null; private JMenuItem jMenuItem4 = null; private JMenuItem jMenuItem5 = null; private JMenuItem jMenuItem6 = null; private JMenuItem jMenuItem7 = null; private static MainFrame myMainFrame=null; private static String textstr="";///用于记录文本文件的路径 private File myFile=null; private FileReader myrder=null; private FileWriter mywr=nul Java 培训 l; /** * This is the default constructor */ public MainFrame() { super(); initialize(); } /** * This method initializes this * * @return void */ private void initialize() { this.setSize(412, 350); this.setJMenuBar(getJJMenuBar()); this.setContentPane(getJContentPane()); this.setTitle("JFrame"); this.addWindowListener(new java.awt.event.WindowAdapter() { public void windowActivated(java.awt.event.WindowEvent e) { if(!textstr.equals("")){ try{ myFile=new File(textstr); if(!myFile.exists()){ myFile.createNewF...