jsb.java

记事本是用netbeans写的

/*
 * jsb.java
 *
 * Created on 2009年4月7日, 上午9:31
 */

package notepad;

import java.awt.Color;
import java.awt.Component;
import java.awt.FileDialog;
import java.io.*;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.text.SimpleDateFormat;
import java.util.Date;
import javax.swing.*;
import javax.swing.event.UndoableEditEvent;
import javax.swing.undo.CannotUndoException;
import javax.swing.undo.UndoManager;

/**
 *
 * @author  Administrator
 */
public class jsb extends javax.swing.JFrame {
    String befind;
    String bfind;
    private FileDialog fd ;
    private Color color;
    private Component frame;
    private JFrame f;
    private FileDialog fdsave;
    private UndoManager undoManger;
    private Component tbar;
    private UndoManager undoListener;
    JFileChooser chooser;
    File file = null;
    UndoManager undo = new UndoManager(); 
    String outurl="";
  //  private JScrollPane jScrollPane1;

    /** Creates new form jsb */
    public jsb() {
        initComponents();
    }

    jsb(cz aThis, boolean b, String Searchtx) {
        initComponents();
        String msg=jTextArea1.getText().trim();
        this.befind=Searchtx;
        System.out.println(befind);
        int n = 0;
      	n = msg.indexOf(befind);
      	System.out.println(n);
      	if(msg.indexOf(befind)!=0){
      	jTextArea1.setSelectionStart(n);
      	jTextArea1.setSelectionEnd(n+befind.length());
      	}
        if(msg.startsWith(befind)){
      	jTextArea1.setSelectionStart(n);
      	jTextArea1.setSelectionEnd(befind.length());
      	}
        System.out.println(befind.length());
    }
//    jsb(cz aThis, boolean t, String Searchtx1){
//        
//    }

    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        jScrollPane1 = new javax.swing.JScrollPane();
        jTextArea1 = new javax.swing.JTextArea();
        jMenuBar1 = new javax.swing.JMenuBar();
        jMenu1 = new javax.swing.JMenu();
        jMenuItem1 = new javax.swing.JMenuItem();
        jMenuItem2 = new javax.swing.JMenuItem();
        jMenuItem3 = new javax.swing.JMenuItem();
        jMenuItem4 = new javax.swing.JMenuItem();
        jMenuItem5 = new javax.swing.JMenuItem();
        jMenu2 = new javax.swing.JMenu();
        jMenuItem6 = new javax.swing.JMenuItem();
        jMenuItem7 = new javax.swing.JMenuItem();
        jMenuItem8 = new javax.swing.JMenuItem();
        jMenuItem9 = new javax.swing.JMenuItem();
        jMenuItem10 = new javax.swing.JMenuItem();
        jMenuItem11 = new javax.swing.JMenuItem();
        jMenuItem12 = new javax.swing.JMenuItem();
        jMenuItem13 = new javax.swing.JMenuItem();
        jMenu3 = new javax.swing.JMenu();
        jCheckBoxMenuItem1 = new javax.swing.JCheckBoxMenuItem();
        jMenuItem14 = new javax.swing.JMenuItem();
        jMenuItem15 = new javax.swing.JMenuItem();
        jMenu4 = new javax.swing.JMenu();
        jMenuItem16 = new javax.swing.JMenuItem();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        jTextArea1.setColumns(20);
        jTextArea1.setLineWrap(true);
        jTextArea1.setRows(5);
        jTextArea1.addAncestorListener(new javax.swing.event.AncestorListener() {
            public void ancestorMoved(javax.swing.event.AncestorEvent evt) {
            }
            public void ancestorAdded(javax.swing.event.AncestorEvent evt) {
                jTextArea1AncestorAdded(evt);
            }
            public void ancestorRemoved(javax.swing.event.AncestorEvent evt) {
            }
        });
        jScrollPane1.setViewportView(jTextArea1);

        jMenu1.setText("文件");

        jMenuItem1.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_N, java.awt.event.InputEvent.CTRL_MASK));
        jMenuItem1.setText("新建(N)");
        jMenuItem1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jMenuItem1ActionPerformed(evt);
            }
        });
        jMenu1.add(jMenuItem1);

        jMenuItem2.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_O, java.awt.event.InputEvent.CTRL_MASK));
        jMenuItem2.setText("打开(O)...");
        jMenuItem2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jMenuItem2ActionPerformed(evt);
            }
        });
        jMenu1.add(jMenuItem2);

        jMenuItem3.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_S, java.awt.event.InputEvent.CTRL_MASK));
        jMenuItem3.setText("保存(S)");
        jMenuItem3.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jMenuItem3ActionPerformed(evt);
            }
        });
        jMenu1.add(jMenuItem3);

        jMenuItem4.setText("另存为(A)...");
        jMenuItem4.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jMenuItem4ActionPerformed(evt);
            }
        });
        jMenu1.add(jMenuItem4);

        jMenuItem5.setText("退出(X)");
        jMenuItem5.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jMenuItem5ActionPerformed(evt);
            }
        });
        jMenu1.add(jMenuItem5);

        jMenuBar1.add(jMenu1);

        jMenu2.setText("编辑");
        jMenu2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jMenu2ActionPerformed(evt);
            }
        });

        jMenuItem6.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_Z, java.awt.event.InputEvent.CTRL_MASK));
        jMenuItem6.setText("撤消(U)");
        jMenuItem6.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jMenuItem6ActionPerformed(evt);
            }
        });
        jMenu2.add(jMenuItem6);

        jMenuItem7.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_X, java.awt.event.InputEvent.CTRL_MASK));
        jMenuItem7.setText("剪贴(T)");
        jMenuItem7.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jMenuItem7ActionPerformed(evt);
            }
        });
        jMenu2.add(jMenuItem7);

        jMenuItem8.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_C, java.awt.event.InputEvent.CTRL_MASK));
        jMenuItem8.setText("复制(C)");
        jMenuItem8.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jMenuItem8ActionPerformed(evt);
            }
        });
        jMenu2.add(jMenuItem8);

        jMenuItem9.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_V, java.awt.event.InputEvent.CTRL_MASK));
        jMenuItem9.setText("粘帖(P)");
        jMenuItem9.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jMenuItem9ActionPerformed(evt);
            }
        });
        jMenu2.add(jMenuItem9);

        jMenuItem10.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_DELETE, 0));
        jMenuItem10.setText("删除(L)");
        jMenuItem10.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jMenuItem10ActionPerformed(evt);
            }
        });
        jMenu2.add(jMenuItem10);

        jMenuItem11.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_A, java.awt.event.InputEvent.CTRL_MASK));
        jMenuItem11.setText("全选(A)");
        jMenuItem11.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jMenuItem11ActionPerformed(evt);
            }
        });
        jMenu2.add(jMenuItem11);

        jMenuItem12.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_F, java.awt.event.InputEvent.CTRL_MASK));
        jMenuItem12.setText("查找(F)");
        jMenuItem12.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jMenuItem12ActionPerformed(evt);
            }
        });
        jMenu2.add(jMenuItem12);

        jMenuItem13.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_F5, 0));
        jMenuItem13.setText("时间/日期(D)");
        jMenuItem13.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jMenuItem13ActionPerformed(evt);
            }
        });
        jMenu2.add(jMenuItem13);

        jMenuBar1.add(jMenu2);

        jMenu3.setText("格式");
        jMenu3.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jMenu3ActionPerformed(evt);
            }
        });

        jCheckBoxMenuItem1.setSelected(true);
        jCheckBoxMenuItem1.setText("自动换行");
        jCheckBoxMenuItem1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jCheckBoxMenuItem1ActionPerformed(evt);
            }
        });
        jMenu3.add(jCheckBoxMenuItem1);

        jMenuItem14.setText("字体");
        jMenuItem14.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jMenuItem14ActionPerformed(evt);
            }
        });
        jMenu3.add(jMenuItem14);

        jMenuItem15.setText("颜色");
        jMenuItem15.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jMenuItem15ActionPerformed(evt);
            }
        });
        jMenu3.add(jMenuItem15);

        jMenuBar1.add(jMenu3);

        jMenu4.setText("帮助");
        jMenu4.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jMenu4ActionPerformed(evt);
            }
        });

        jMenuItem16.setText("关于记事本");
        jMenuItem16.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jMenuItem16ActionPerformed(evt);
            }
        });
        jMenu4.add(jMenuItem16);

        jMenuBar1.add(jMenu4);

        setJMenuBar(jMenuBar1);

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());