1.基于java se10 ，支援撤銷和反撤銷
2.可以插入圖檔，支援文字圖檔混合編輯，是一個小點子，是我的大二課程設計
package pack;
import java.awt.BorderLayout;
import java.awt.EventQueue;
import java.awt.FileDialog;
import java.awt.Toolkit;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JDialog;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.border.EmptyBorder;
import javax.swing.undo.UndoManager;
import javax.swing.JMenuBar;
import javax.swing.JMenu;
import javax.swing.JMenuItem;
import java.awt.SystemColor;
import javax.swing.KeyStroke;
import java.awt.event.KeyEvent;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.awt.event.InputEvent;
import java.awt.event.KeyAdapter;
import javax.swing.JTextArea;
import javax.swing.JTextField;
import java.awt.Font;
import java.awt.GridLayout;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
public class Notepad extends JFrame{
//初始化
private static final long serialVersionUID = 1L;
private JPanel contentPane;//容器聲明
jiantin jian = new jiantin();//監聽聲明
JMenuBar menuBar = new JMenuBar();
JFileChooser jfc = new JFileChooser();//檔案選擇器
JMenu file = new JMenu("\u6587\u4EF6(F)");
JMenuItem newfile = new JMenuItem(" \u65B0\u5EFA(N)");
JMenuItem openhun = new JMenuItem(" 打開混合");
JMenuItem savehun = new JMenuItem(" 儲存混合");
JMenuItem inpic = new JMenuItem(" 插入圖檔(Y)");
JMenuItem open = new JMenuItem(" \u6253\u5F00(O)");
JMenuItem osave = new JMenuItem(" \u53E6\u5B58\u4E3A(A)...");
JMenuItem save = new JMenuItem(" \u4FDD\u5B58(S)");
JMenuItem end = new JMenuItem(" 退出(X)");
JMenu help = new JMenu("\u5E2E\u52A9(H)");
final JMenuItem money = new JMenuItem(" 打賞作者");
final JMenuItem about = new JMenuItem(" \u5173\u4E8E");
final JMenuItem lookhelp = new JMenuItem(" \u67E5\u770B\u5E2E\u52A9");
JMenu bianji = new JMenu("編輯(E)");
JMenuItem cexiao = new JMenuItem(" 撤銷(Z)");
JMenuItem huifu = new JMenuItem(" 恢複(R)");
JMenuItem jianqie = new JMenuItem(" 剪切(X)");
JMenuItem copy = new JMenuItem(" 複制(C)");
JMenuItem paste = new JMenuItem(" 黏貼(P)");
JMenuItem del = new JMenuItem(" 删除(L)");
JMenuItem chazhao = new JMenuItem(" 查找(F)");
JMenuItem tihuan = new JMenuItem(" 替換(R)");
JMenuItem allsel = new JMenuItem(" 全選(A)");
JMenuItem time = new JMenuItem(" 時間日期(D)");
JMenu geshi = new JMenu("格式(U)");
JMenuItem ziti = new JMenuItem(" 字型(P)");
static JTextArea txt = new JTextArea();
int txtlength;//文本長度聲明
String sp;//檔案路徑
String iconpath;
JFrame th;
//注冊撤銷管理者
UndoManager um=new UndoManager();
String filePath;
FileInputStream fis;
byte[] content;
//多項輸入對話框
TDialog td;
ImageIcon icon1;
FileInputStream iconin;
byte[] conicon;
String iconstr;
//圖檔想x坐标，y坐标，文本長度，儲存到檔案
int iconx;
int icony;
byte[] changdu=new byte[3];
class FJF1 extends JFrame {
private static final long serialVersionUID = 1L;
private JPanel contentPane;
private JComboBox daxiaobox;
private JComboBox xingbox;
private JComboBox fontbox;
String[] arr1={"初号","一号","小一","二号","小二","三号","小三","四号","小四","五号","小五","六号","小六"};
String[] arr2={"正常","傾斜","粗體","傾斜 粗體"};
String[] arr3={"微軟雅黑","宋體","楷體","華文行楷","黑體"};
public FJF1() {
setIconImage(Toolkit.getDefaultToolkit().getImage(".\\Penguins.jpg"));
setFont(new Font("微軟雅黑", Font.PLAIN, 18));
setTitle("\u5B57 \u4F53");
//setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setBounds(400, 300, 333, 218);
contentPane = new JPanel();
contentPane.setToolTipText("\u4E0B\u62C9\u6846");
contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
setContentPane(contentPane);
contentPane.setLayout(null);
JLabel labelfont = new JLabel("\u5B57\u4F53\uFF1A");
labelfont.setBounds(20, 10, 54, 15);
contentPane.add(labelfont);
JLabel fontxing = new JLabel("\u5B57\u5F62\uFF1A");
fontxing.setBounds(131, 10, 54, 15);
contentPane.add(fontxing);
JLabel fontdaxiao = new JLabel("\u5927\u5C0F\uFF1A");
fontdaxiao.setBounds(230, 10, 54, 15);
contentPane.add(fontdaxiao);
daxiaobox = new JComboBox();
daxiaobox.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
int x=daxiaobox.getSelectedIndex();
switch (x){
case 0: txt.setFont(new Font("微軟雅黑", Font.PLAIN, 50)); break;
case 1: txt.setFont(new Font("微軟雅黑", Font.PLAIN, 48)); break;
case 2: txt.setFont(new Font("微軟雅黑", Font.PLAIN, 46)); break;
case 3: txt.setFont(new Font("微軟雅黑", Font.PLAIN, 44)); break;
case 4: txt.setFont(new Font("微軟雅黑", Font.PLAIN, 42)); break;
case 5: txt.setFont(new Font("微軟雅黑", Font.PLAIN, 40)); break;
case 6: txt.setFont(new Font("微軟雅黑", Font.PLAIN, 38)); break;
case 7: txt.setFont(new Font("微軟雅黑", Font.PLAIN, 36)); break;
case 8: txt.setFont(new Font("微軟雅黑", Font.PLAIN, 34)); break;
case 9: txt.setFont(new Font("微軟雅黑", Font.PLAIN, 32)); break;
case 10: txt.setFont(new Font("微軟雅黑", Font.PLAIN, 28)); break;
case 11: txt.setFont(new Font("微軟雅黑", Font.PLAIN, 24)); break;
case 12: txt.setFont(new Font("微軟雅黑", Font.PLAIN, 18)); break;
}
}
});
daxiaobox.setToolTipText("\u4E0B\u62C9\u6846");
daxiaobox.setEditable(true);
daxiaobox.setBounds(230, 35, 85, 21);
contentPane.add(daxiaobox);
for(int i=0;i<arr1.length;i++){
daxiaobox.addItem(arr1[i]);
}
xingbox = new JComboBox();
xingbox.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
int x=xingbox.getSelectedIndex();
switch (x){
case 0: txt.setFont(new Font("微軟雅黑", Font.PLAIN, 12)); break;
case 2: txt.setFont(new Font("微軟雅黑", Font.BOLD , 12)); break;
case 1: txt.setFont(new Font("微軟雅黑", Font.ITALIC , 12)); break;
case 3: txt.setFont(new Font("微軟雅黑", Font.ITALIC +Font.BOLD , 12)); break;
}
}
});
xingbox.setEditable(true);
xingbox.setBounds(131, 35, 79, 21);
contentPane.add(xingbox);
for(int i=0;i<arr2.length;i++){
xingbox.addItem(arr2[i]);
}
fontbox = new JComboBox();
fontbox.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
int x=fontbox.getSelectedIndex();
switch (x){//字型名字需要修改
case 0: txt.setFont(new Font("微軟雅黑", Font.PLAIN, 12)); break;
case 1: txt.setFont(new Font(arr3[1], Font.PLAIN, 12)); break;
case 2: txt.setFont(new Font(arr3[2], Font.PLAIN, 12)); break;
case 3: txt.setFont(new Font(arr3[3], Font.PLAIN, 18)); break;
case 4: txt.setFont(new Font(arr3[4], Font.PLAIN, 12)); break;
}
}
});
fontbox.setEditable(true);
fontbox.setBounds(20, 35, 85, 21);
contentPane.add(fontbox);
for(int i=0;i<arr3.length;i++){
fontbox.addItem(arr3[i]);
}
}
}
//運作窗體，主方法
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
public void run() {
try {
Notepad frame = new Notepad();
frame.setVisible(true);
} catch (Exception e) {
e.printStackTrace();
}
}
});
}
public Notepad() {
setTitle(" 記事本 - 版本 1.0");
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setBounds(300,200,600,400);
//pack();
setJMenuBar(menuBar);
file.setFont(new Font("黑體", Font.PLAIN, 13));
file.setForeground(SystemColor.infoText);
file.setMnemonic('F');
file.setBackground(SystemColor.desktop);
menuBar.add(file);
bianji.setFont(new Font("黑體", Font.PLAIN, 13));
bianji.setForeground(SystemColor.infoText);
bianji.setMnemonic('X');
bianji.setBackground(SystemColor.desktop);
menuBar.add(bianji);
geshi.setFont(new Font("黑體", Font.PLAIN, 13));
geshi.setForeground(SystemColor.infoText);
geshi.setMnemonic('U');
geshi.setBackground(SystemColor.desktop);
menuBar.add(geshi);
ziti.setFont(new Font("微軟雅黑", Font.PLAIN, 13));
ziti.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_U, InputEvent.CTRL_MASK));
geshi.add(ziti);
ziti.addActionListener(jian);
//BIANJI按鈕
cexiao.setFont(new Font("微軟雅黑", Font.PLAIN, 13));
cexiao.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_Z, InputEvent.CTRL_MASK));
bianji.add(cexiao);
cexiao.addActionListener(jian);
huifu.setFont(new Font("微軟雅黑", Font.PLAIN, 13));
huifu.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_R, InputEvent.CTRL_MASK));
bianji.add(huifu);
huifu.addActionListener(jian);
jianqie.setFont(new Font("微軟雅黑", Font.PLAIN, 13));
jianqie.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_X, InputEvent.CTRL_MASK));
bianji.add(jianqie);
jianqie.addActionListener(jian);
copy.setFont(new Font("微軟雅黑", Font.PLAIN, 13));
copy.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_C, InputEvent.CTRL_MASK));
bianji.add(copy);
copy.addActionListener(jian);
paste.setFont(new Font("微軟雅黑", Font.PLAIN, 13));
paste.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_V, InputEvent.CTRL_MASK));
bianji.add(paste);
paste.addActionListener(jian);
del.setFont(new Font("微軟雅黑", Font.PLAIN, 13));
del.setAccelerator(KeyStroke.getKeyStroke((char) KeyEvent.VK_DELETE));
bianji.add(del);
del.addActionListener(jian);
chazhao.setFont(new Font("微軟雅黑", Font.PLAIN, 13));
chazhao.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_F, InputEvent.CTRL_MASK));
bianji.add(chazhao);
chazhao.addActionListener(jian);
tihuan.setFont(new Font("微軟雅黑", Font.PLAIN, 13));
tihuan.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_H, InputEvent.CTRL_MASK));
bianji.add(tihuan);
tihuan.addActionListener(jian);
allsel.setFont(new Font("微軟雅黑", Font.PLAIN, 13));
allsel.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_A, InputEvent.CTRL_MASK));
bianji.add(allsel);
allsel.addActionListener(jian);
time.setFont(new Font("微軟雅黑", Font.PLAIN, 13));
time.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_T, InputEvent.CTRL_MASK));
bianji.add(time);
time.addActionListener(jian);
//BIANJI按鈕
newfile.setFont(new Font("微軟雅黑", Font.PLAIN, 13));
newfile.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_N, InputEvent.CTRL_MASK));
file.add(newfile);
newfile.addActionListener(jian);
inpic.setFont(new Font("微軟雅黑", Font.PLAIN, 13));//插入圖檔
inpic.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_Y, InputEvent.CTRL_MASK));
file.add(inpic);
inpic.addActionListener(jian);
open.setFont(new Font("微軟雅黑", Font.PLAIN, 13));
open.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_O, InputEvent.CTRL_MASK));
file.add(open);
open.addActionListener(jian);
openhun.setFont(new Font("微軟雅黑", Font.PLAIN, 13));
openhun.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_P, InputEvent.CTRL_MASK));
file.add(openhun);
openhun.addActionListener(jian);
savehun.setFont(new Font("微軟雅黑", Font.PLAIN, 13));
savehun.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_W, InputEvent.CTRL_MASK));
file.add(savehun);
savehun.addActionListener(jian);
save.setFont(new Font("微軟雅黑", Font.PLAIN, 13));
save.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_S, InputEvent.CTRL_MASK));
file.add(save);
save.addActionListener(jian);
osave.setFont(new Font("微軟雅黑", Font.PLAIN, 13));
file.add(osave);
osave.addActionListener(jian);
end.setFont(new Font("微軟雅黑", Font.PLAIN, 13));
file.add(end);
end.addActionListener(jian);
help.setFont(new Font("微軟雅黑", Font.PLAIN, 12));
help.setForeground(SystemColor.infoText);
menuBar.add(help);
lookhelp.setFont(new Font("微軟雅黑", Font.PLAIN, 13));
help.add(lookhelp);
lookhelp.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
JOptionPane.showMessageDialog(lookhelp, "哈哈，沒有幫助哦！", "幫助", JOptionPane.INFORMATION_MESSAGE);
}
});
money.setFont(new Font("微軟雅黑", Font.PLAIN, 13));
help.add(money);
money.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
picture p =new picture();
//p.setAlwaysOnTop(true);
p.setVisible(true);
}
});
about.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
JOptionPane.showMessageDialog(about, "版本 1.0\n作者 韓哥哥", "關于", JOptionPane.INFORMATION_MESSAGE);
}
});
about.setFont(new Font("微軟雅黑", Font.PLAIN, 13));
help.add(about);
contentPane = new JPanel();
contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
contentPane.setLayout(new BorderLayout(0, 0));
setContentPane(contentPane);
txt.setRows(txtlength);
txt.getDocument().addUndoableEditListener(um);
txt.addKeyListener(new KeyAdapter() {
public void keyTyped(KeyEvent e6) {
char onekey= e6.getKeyChar();
txt.setLineWrap(true); //激活自動換行功能
txt.setWrapStyleWord(true);//不斷字
if(onekey=='\n') {
//按下回車實作什麼操作
um.undo();
txt.append("\r\n");
}
}
});
contentPane.add(txt, BorderLayout.NORTH);
JScrollPane jspane=new JScrollPane(txt);
contentPane.add(jspane);
}//初始化結束
public void showicon(byte[] b,int x,int y) {
ImageIcon icon1=new ImageIcon(b);
int iconhigh=icon1.getIconHeight();
int iconweidth=icon1.getIconWidth();
JLabel iconlable=new JLabel("");
// int x=txt.getCaretPosition();//guangbiao
// int y=txt.getLineCount();
// iconx=x*8;
// icony=y*16;
iconlable.setBounds(x, y, iconweidth, iconhigh);
iconlable.setIcon(icon1);
if(iconweidth<600&&iconhigh<400){
setBounds(300,200,600, 400);
}else{
setBounds(300,200,iconweidth, iconhigh);
}
txt.add(iconlable);
}
//數組複制方法
public byte[] copy(byte[] a,byte[] b)
{
byte[] data1=a;
byte[] data2=b;
byte[] data3 = new byte[data1.length+data2.length];
System.arraycopy(data1,0,data3,0,data1.length);
System.arraycopy(data2,0,data3,data1.length,data2.length);
return data3;
}
public byte[] add(byte[] a)
{ int ad=txt.getText().length();
byte ad1=(byte)ad;
changdu[0]=ad1;
int ad2=iconx;
byte ad21=(byte)(ad2);
changdu[1]=ad21;
int ad3=icony;
byte ad31=(byte)(ad3);
changdu[2]=ad31;
byte[] d=copy(changdu,a);
return d;
}
public int[] cutarr(byte[] a)//得到資訊3位元組
{
byte[] ad=new byte[3];
System.arraycopy(a,0,ad,0,3);
int t=ad[0]>0?ad[0]:ad[0]+256;
int t1=ad[1]>0?ad[1]:ad[1]+256;
int t2=ad[2]>0?ad[2]:ad[2]+256;
int[] f={t,t1,t2};
return f;
}
public byte[] noone(byte[] a)
{
byte[] b=new byte[a.length-3];
System.arraycopy(a,3,b,0,a.length-3);
return b;
}
class jiantin implements ActionListener{
FileDialog openFile = new FileDialog(th, "打開檔案",FileDialog.LOAD);
@SuppressWarnings("deprecation")
public void actionPerformed(ActionEvent e) {
if(e.getSource()==open) {
openFile.setVisible(true);
// 擷取檔案路徑
filePath = openFile.getDirectory() + openFile.getFile();
try {
fis = new FileInputStream(filePath);
File fname=new File(filePath);
content = new byte[fis.available()];
fis.read(content);
//圖檔判斷
//String si=new String(content);
//int kai=si.indexOf(iconstart);
//kai=kai+3;
//int end=si.indexOf(iconend);
// String iconstrin=si.substring(kai, end);
//byte[] image = new byte[content.length-kai-3];
//System.arraycopy(content, kai, image, 0, 44136);//+1
//System.out.println(kai+" "+end);
//String txttxt=si.substring(0, kai-3);
//byte[] iconarr=iconstrin.getBytes();
//iconarr.decode(iconstrin);
// for(int i=0;i<iconarr.length;i++)
// System.out.print(iconarr[i]);
//圖檔打開
// ImageIcon icon1=new ImageIcon(image);
// int iconhigh=icon1.getIconHeight();
// int iconweidth=icon1.getIconWidth();
// JLabel iconlable=new JLabel("");
// iconlable.setBounds(20, 20, iconweidth, iconhigh);
// iconlable.setIcon(icon1);
// if(iconweidth<600&&iconhigh<400){
// setBounds(300,200,600, 400);
// System.out.println(" 顯示圖檔 "+iconweidth+" "+iconhigh);
// System.out.println(" 圖檔數組 "+image.length);
// }else{
// setBounds(300,200,iconweidth, iconhigh);
// }
//txt.add(iconlable);
txt.setText(new String(content));
//圖檔判斷結尾
fis.close();
setTitle(fname.getName()+" - 記事本");
}
catch(IOException e3)
{
System.out.println("輸入輸出異常");
}
}
else if(e.getSource()==newfile) {
setTitle("建立文本文檔 - 記事本");
txt.setText("");
}
else if(e.getSource()==osave) {
FileDialog saveFile = new FileDialog(th, "儲存檔案",FileDialog.SAVE);
saveFile.setVisible(true);
sp = saveFile.getDirectory() + saveFile.getFile();
try {//String si=null;
FileWriter fos = new FileWriter(sp);
//if(iconx!=0&&icony!=0){
// si=iconstart+iconstr+iconend;
//}
fos.write(txt.getText());//iconstr211 如果加上圖檔
fos.close();
}
catch (IOException ex) {
ex.printStackTrace();
}
}
else if(e.getSource()==save) {
String pathdir=openFile.getDirectory();
String pathfile=openFile.getFile();
String sp1 = pathdir+pathfile;
System.out.println(sp1);
try {
if(pathdir==null&&pathfile==null) {
FileDialog saveF = new FileDialog(th, "儲存檔案",FileDialog.SAVE);
saveF.setVisible(true);
FileWriter fos = new FileWriter(saveF.getDirectory() + saveF.getFile());
fos.write(txt.getText());
fos.close();
}else {
FileWriter fos = new FileWriter(sp1);
fos.write(txt.getText());
fos.close();
}
}
catch (IOException ex) {
ex.printStackTrace();
}}
else if(e.getSource()==end)
{
System.exit(0);
}
else if(e.getSource()==allsel)
{
txt.selectAll();
}
else if(e.getSource()==copy)
{
txt.copy();
}
else if(e.getSource()==paste)
{
txt.paste();
}
else if(e.getSource()==jianqie)
{
txt.cut();
}
else if(e.getSource()==cexiao&&um.canUndo())
{
um.undo();
}
else if(e.getSource()==huifu&&um.canRedo())
{
um.redo();
}
else if(e.getSource()==del&&!txt.getSelectedText().isEmpty())
{
txt.cut();
}
else if(e.getSource()==time)
{
SimpleDateFormat time=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
String Time = time.format(new java.util.Date());
txt.append(Time);
}
else if(e.getSource()==chazhao)
{
//查找方法，隻能查到第一個
int weizhi=0;int wzend=0;
String lookinfo=JOptionPane.showInputDialog(chazhao,"請輸入：","查找",JOptionPane.INFORMATION_MESSAGE);
String txtinfo=txt.getText();
weizhi=txtinfo.indexOf(lookinfo);
if(weizhi==-1) {
JOptionPane.showMessageDialog(chazhao, "沒有查找到此結果", "查找結果", JOptionPane.INFORMATION_MESSAGE);
}else {
wzend=weizhi+lookinfo.length();
txt.setSelectionStart(weizhi);
txt.setSelectionEnd(wzend);
txt.setRequestFocusEnabled(true);
}}
else if(e.getSource()==tihuan)
{
//替換方法
if(txt.getText().isEmpty())
{
JOptionPane.showMessageDialog(tihuan, "文本為空，無法替換！", "結果", JOptionPane.INFORMATION_MESSAGE);
}
else {
td=new TDialog();
td.show();
String tempend=txt.getText().replaceAll(td.jt1,td.jt2);
txt.setText(tempend);
}
}else if(e.getSource()==inpic){
//按下插圖實作
openFile.setVisible(true);
// 擷取檔案路徑
iconpath = openFile.getDirectory() + openFile.getFile();
icon1=new ImageIcon(iconpath);
int iconhigh=icon1.getIconHeight();
int iconweidth=icon1.getIconWidth();
JLabel iconlable=new JLabel("");
int x=txt.getCaretPosition();//guangbiao
int y=txt.getLineCount();
iconx=x*8;
icony=y*16;
iconlable.setBounds(x*8, y*16, iconweidth, iconhigh);
iconlable.setIcon(icon1);
if(iconweidth<600&&iconhigh<400){
setBounds(300,200,600, 400);
}else{
setBounds(300,200,iconweidth, iconhigh);
}
txt.add(iconlable);
System.out.println("光标：（"+x+" ， "+y+"）");
try {
iconin=new FileInputStream(iconpath);
conicon=new byte[iconin.available()];
iconin.read(conicon);
iconstr=new String(conicon);
} catch (FileNotFoundException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
// for(int i=0;i<iconhigh+1;i++)//插入圖檔光标下移
// {
// txt.append("\r\n");
// }
catch (IOException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
}else if(e.getSource()==ziti){
FJF1 fontjf=new FJF1();
fontjf.setVisible(true);
}else if(e.getSource()==openhun)
{
//打開混合檔案
openFile.setVisible(true);
// 擷取檔案路徑
filePath = openFile.getDirectory() + openFile.getFile();
try {
fis = new FileInputStream(filePath);
File fname=new File(filePath);
content = new byte[fis.available()];
fis.read(content);
int[] f=new int[3];
f=cutarr(content);
int txtchangdu =f[0];
int ix=f[1];
int iy=f[2];
content=noone(content);
//分開文字圖檔
byte[] txtby=new byte[txtchangdu];
byte[] iconby=new byte[content.length-txtchangdu];
System.arraycopy(content,0,txtby,0,txtby.length);
System.arraycopy(content,txtby.length,iconby,0,iconby.length);
showicon(iconby,ix,iy);
txt.setText(new String(txtby));
//圖檔判斷結尾
fis.close();
setTitle(fname.getName()+" - 記事本");
}
catch(IOException e3)
{
System.out.println("輸入輸出異常");
}
}
else if(e.getSource()==newfile) {
setTitle("建立文本文檔 - 記事本");
txt.setText("");
}
else if(e.getSource()==osave) {
FileDialog saveFile = new FileDialog(th, "儲存檔案",FileDialog.SAVE);
saveFile.setVisible(true);
sp = saveFile.getDirectory() + saveFile.getFile();
try {//String si=null;
FileWriter fos = new FileWriter(sp);
//if(iconx!=0&&icony!=0){
// si=iconstart+iconstr+iconend;
//}
fos.write(txt.getText());//iconstr211 如果加上圖檔
fos.close();
}
catch (IOException ex) {
ex.printStackTrace();
}
}else if(e.getSource()==savehun)
{
//儲存混合檔案
FileDialog saveFile = new FileDialog(th, "儲存混合檔案",FileDialog.SAVE);
saveFile.setVisible(true);
sp = saveFile.getDirectory() + saveFile.getFile();
try {
FileOutputStream fos = new FileOutputStream(sp);
FileInputStream icsin = new FileInputStream(iconpath);
byte[] txtby=txt.getText().getBytes();
byte[] iconby=new byte[icsin.available()];//儲存圖檔數組
icsin.read(iconby);
byte[] data3 =copy(txtby,iconby);
data3=add(data3);
fos.write(data3);
fos.close();
icsin.close();
}
catch (IOException ex) {
ex.printStackTrace();
}
}
}
}//jiantin1結尾
}//第一類結尾
class TDialog extends JDialog{
private static final long serialVersionUID = 1L;
JTextField jtf1;
JTextField jtf2;
String jt1="";
String jt2="";
TDialog jf2=this;
public TDialog() {
setTitle("替換");
setModal(true);
setSize(200, 140);//對話框的大小
setDefaultCloseOperation(DISPOSE_ON_CLOSE);//關閉對話框
setLocationRelativeTo(null);
JLabel jl1 = new JLabel("替換:");
final JTextField jtf1 = new JTextField(8);
JLabel jl2 = new JLabel("替換為:");
final JTextField jtf2 = new JTextField(8);
final JPanel jp = new JPanel(new GridLayout(2, 2));
jp.add(jl1);
jp.add(jtf1);
jp.add(jl2);
jp.add(jtf2);
JButton jb = new JButton("确認替換");
jb.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
jt1=jtf1.getText();
jt2=jtf2.getText();
jp.setVisible(false);
jf2.setVisible(false);
}
});
add(jp);
add(jb,BorderLayout.SOUTH);
}
}
class picture extends JFrame {
/**
*
*/
private static final long serialVersionUID = 1L;
private JPanel contentPane;
String path1=".\\wei3.jpg";
String path2=".\\ali3.jpg";
ImageIcon pwei=new ImageIcon(path1);
ImageIcon pali=new ImageIcon(path2);
public picture() {
setTitle("\u8D5E \u8D4F");
//setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setBounds(100, 100, 450, 300);
contentPane = new JPanel();
contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
setContentPane(contentPane);
contentPane.setLayout(null);
JLabel biaoqian1 = new JLabel("\u5FAE \u4FE1");
biaoqian1.setFont(new Font("宋體", Font.PLAIN, 14));
biaoqian1.setBounds(84, 203, 79, 15);
contentPane.add(biaoqian1);
JLabel biaoqian2 = new JLabel("\u652F \u4ED8 \u5B9D");
biaoqian2.setFont(new Font("宋體", Font.PLAIN, 14));
biaoqian2.setBounds(269, 203, 68, 15);
contentPane.add(biaoqian2);
JLabel wechat = new JLabel("");
wechat.setBounds(31, 30, 150, 150);
contentPane.add(wechat);
JLabel alipay = new JLabel("");
alipay.setBounds(230, 30, 150, 150);
contentPane.add(alipay);
wechat.setIcon(pwei);
alipay.setIcon(pali);
}
}
![Java小案例——随機數猜測随機數猜測[圖]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)