Java语言编写一个类似Word的写字板之类

import java.awt.*

import java.awt.event.*

import javax.swing.*

import java.io.*

class TextEditorFrame extends JFrame{

File file=null

Color color=Color.red

TextEditorFrame(){

initTextPane()

initAboutDialog()

initToolBar()

initMenu()

}

void initTextPane(){

getContentPane().add(new JScrollPane(text))

}

JTextPane text=new JTextPane()//这是用来做文本框的

JFileChooser filechooser=new JFileChooser()//文件选择框

JColorChooser colorchooser=new JColorChooser()//

JDialog about=new JDialog(this)//关于对话框

JMenuBar menubar=new JMenuBar()//菜单

JMenu[] menus=new JMenu[]{

new JMenu("文件"),

new JMenu("编辑"),

new JMenu("帮助")

}

JMenuItem menuitems[][]=new JMenuItem[][]{{

new JMenuItem("新建"),

new JMenuItem("打开"),

new JMenuItem("保存"),

new JMenuItem("退出")

},

{

new JMenuItem("复制"),

new JMenuItem("剪切"),

new JMenuItem("粘贴"),

new JMenuItem("颜色")

},

{

new JMenuItem("关于")

}

}

void initMenu(){

for(int i=0i<menus.lengthi++){

menubar.add(menus[i])

for(int j=0j<menuitems[i].lengthj++){

menus[i].add(menuitems[i][j])

menuitems[i][j].addActionListener( action )

}

}

this.setJMenuBar(menubar)

}

ActionListener action=new ActionListener(){ //when here have not wrong:

public void actionPerformed(ActionEvent e){

JMenuItem mi=(JMenuItem)e.getSource()

String id=mi.getText()

if(id.equals("新建")){

text.setText("")

file=null

}else if(id.equals("打开")){

if(file !=null)filechooser.setSelectedFile(file)

int returnVal=filechooser.showOpenDialog(TextEditorFrame.this)

if(returnVal==JFileChooser.APPROVE_OPTION){

file=filechooser.getSelectedFile()

openFile()

}

}else if(id.equals("保存")){

if(file!=null) filechooser.setSelectedFile(file)

int returnVal=filechooser.showSaveDialog(TextEditorFrame.this)

if(returnVal==JFileChooser.APPROVE_OPTION){

file=filechooser.getSelectedFile()

saveFile()

}

}else if(id.equals("退出")){

TextEditorFrame f=new TextEditorFrame()

int s=JOptionPane.showConfirmDialog(f,"你真的要结束吗","结束程序",JOptionPane.YES_NO_CANCEL_OPTION)

if(s==JOptionPane.YES_OPTION)

System.exit(0)

}else if(id.equals("剪切")){

text.cut()

}else if(id.equals("复制")){

text.copy()

}else if(id.equals("粘贴")){

text.paste()

}else if(id.equals("color")){

color=JColorChooser.showDialog(TextEditorFrame.this,"",color)

text.setForeground(color)

}else if(id.equals("关于")){

about.setSize(200,150)

about.show()

}

}

}

void saveFile(){

try{

FileWriter fw=new FileWriter(file)

fw.write(text.getText())

fw.close()

}

catch(Exception e){e.printStackTrace()}

}

void openFile(){

try{

FileReader fr=new FileReader(file)

int len=(int)file.length()

char []buffer=new char[len]

fr.read(buffer,0,len)

fr.close()

text.setText(new String(buffer))

}catch(Exception e){e.printStackTrace()}

}

void initAboutDialog(){

about.getContentPane().add(new JLabel("作者－覃树新:记事本Q1.0版本"))

about.setModal(true)

about.setSize(200,100)

}

JToolBar toolbar=new JToolBar()//我来加上工具条

JButton [] buttons=new JButton[]{

new JButton("", new ImageIcon("qin.jpg")),

new JButton("", new ImageIcon("shu.jpg")),

new JButton("", new ImageIcon("xin.jpg"))

}

void initToolBar(){

for(int i=0i<buttons.lengthi++)

toolbar.add(buttons[i])

buttons[0].setToolTipText("复制")

buttons[0].addActionListener(new ActionListener(){

public void actionPerformed(ActionEvent e){

text.copy()

}

})

buttons[1].setToolTipText("剪切")

buttons[1].addActionListener(new ActionListener(){

public void actionPerformed(ActionEvent e){

text.cut()

}

})

buttons[2].setToolTipText("粘贴")

buttons[2].addActionListener(new ActionListener(){

public void actionPerformed(ActionEvent e){

text.paste()

}

})

this.getContentPane().add(toolbar,BorderLayout.NORTH)

}

}

public class F{

public static void main(String args[]){

TextEditorFrame f=new TextEditorFrame()

f.addWindowListener(new WindowAdapter(){

public void windowClosing(WindowEvent e)

{

TextEditorFrame f=new TextEditorFrame()

int s=JOptionPane.showConfirmDialog(f,"你真的要结束吗","结束程序",JOptionPane.YES_NO_OPTION)

if(s==JOptionPane.YES_OPTION)

System.exit(0)}

})

f.setTitle("简单的记事本")

f.setSize(800,600)

f.show()

}

}

import java.awt.*

import java.awt.event.*

import java.io.File

import java.io.FileNotFoundException

import java.io.FileOutputStream

import java.io.FilenameFilter

import java.io.IOException

import java.io.OutputStream

import javax.swing.JFrame

import wyq.study.io.FileLister

public class MenuDemo extends Frame implements ActionListener

{

TextArea tf = new TextArea()

MenuBar bar = new MenuBar()

Menu menu = new Menu("文件")

MenuItem newf = new MenuItem("新建")

MenuItem open = new MenuItem("打开")

MenuItem saveFile = new MenuItem("保存")

MenuItem saveFileAs = new MenuItem("另存为")

MenuItem close = new MenuItem("关闭")

MenuItem quit = new MenuItem("退出")

public MenuDemo()

{

super("MenuDemo")

setMenuBar(bar)

menu.add(newf)

menu.add(open)

menu.add(close)

menu.add(saveFile)

menu.add(saveFileAs)

menu.addSeparator()

menu.add(quit)

bar.add(menu)

newf.addActionListener(this)

open.addActionListener(this)

close.addActionListener(this)

quit.addActionListener(this)

saveFile.addActionListener(this)

saveFileAs.addActionListener(this)

//addWindowListener(new WinLis())

//关闭窗口

addWindowListener(new WindowAdapter()

{

public void windowClosing(WindowEvent e)

{

dispose()

}

})

add(tf)

}

public void actionPerformed(ActionEvent e)

{

if (e.getSource() == newf)

{

tf.setText("新建")

}

if (e.getSource() == open)

{

tf.setText("打开")

}

if (e.getSource() == close)

{

tf.setText("关闭")

}

if (e.getSource() ==saveFile)

{

tf.setText("保存")

saveFile()

}

if (e.getSource() == saveFileAs)

{

tf.setText("另存为")

saveFileAs()

}

if (e.getSource() == quit)

{

System.exit(0)

}

}

public void saveFile()

{

String directory = System.getProperty("user.dir")

FileDialog f = new FileDialog(this, "Save File", FileDialog.SAVE)

f.setDirectory(directory)

f.show()

String fileName =f.getFile()// 得到保存的文件名

directory=f.getDirectory()//得到文件路径

//System.out.println(directory+" "+file)

String txt=tf.getText()

File file=new File(directory+fileName)

OutputStream out=null

try

{

out=new FileOutputStream(file)

}

catch (FileNotFoundException e)

{

}

try

{

out.write(txt.getBytes())

}

catch (IOException e)

{

e.printStackTrace()

}

try

{

if(out!=null)

out.close()

}

catch (IOException e)

{

e.printStackTrace()

}

}

public void saveFileAs()

{

saveFile()

}

class WinLis extends WindowAdapter

{

public void windowCosing(WindowEvent e)

{

System.exit(0)

}

}

public static void main(String[] args)

{

Frame f = new MenuDemo()

f.setSize(400, 200)

f.setVisible(true)

}

}

呵呵,你得保存成.java的文件,保存好了以后在开始里面点运行,在运行里面输入cmd这样就可以进入提示符窗口了,进去在光标那里输入JAVAC 你的文件名.java这样就行了.当然前提是你环境变量什么的都得设好了JDK也得装好了,祝你早日学成.

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