问题描述
packageJSB;importjavax.swing.*;importjavax.swing.event.*;importjavax.swing.text.Document;importjavax.swing.text.Element;importjava.awt.Component;importjava.awt.FileDialog;importjava.awt.FlowLayout;importjava.awt.Graphics;importjava.awt.event.*;importjava.awt.*;importjava.io.FileInputStream;importjava.io.FileOutputStream;importjava.io.IOException;publicclassJShiBemextendsJFrameimplementsActionListener{JMenuBarmenubar;JMenumenu1,menu2,menu3,menu4,menu5;JMenuItemitem1,item2,item3,item4,item5,item6,item7;JMenuItemi1,i2,i3,i4,i5,i6,i7,i8,i9,i0,i11,t1,t2,t3,t4,t5;JSplitPanesplitPane;JTextAreatext;JScrollPanescroll;JFileChooserfileDialog;ImagePaneliPanel;FileDialogfileDlg;Stringstr,fileName;bytebyteBuf[]=newbyte[10000];publicclassImagePanelextendsJPanel{}ImageIconimageIcon=newImageIcon("rec/4.jpg");publicvoidpaintComponent(Graphicsg){g.drawImage(imageIcon.getImage(),0,0,this.getWidth(),this.getHeight(),this);}JShiBem(Strings){super(s);setSize(200,200);setLocation(120,120);setVisible(true);fileDialog=newJFileChooser();setLayout(newFlowLayout());Fontfont=null;Fontfont2=newFont("楷体",Font.BOLD,24);Fontfont3=newFont("楷体",Font.CENTER_BASELINE,16);menubar=newJMenuBar();menubar.setForeground(Color.blue);menu1=newJMenu("文件(F)");menu1.setFont(font2);item1=newJMenuItem("新建(N)",newImageIcon("a.gif"));item1.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_N,InputEvent.CTRL_MASK));menu1.add(item1);item1.addActionListener(this);item1.setFont(font3);item2=newJMenuItem("打开(O)");item2.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_O,InputEvent.CTRL_MASK));menu1.add(item2);item2.addActionListener(this);item2.setFont(font3);item3=newJMenuItem("保存(S)");item3.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_S,InputEvent.CTRL_MASK));menu1.add(item3);item3.addActionListener(this);item3.setFont(font3);item4=newJMenuItem("另存文(A)");item4.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_A,InputEvent.CTRL_MASK));menu1.add(item4);item4.setFont(font3);item4.addActionListener(this);item5=newJMenuItem("页面设置(U)");menu1.add(item5);item5.setFont(font3);item5.addActionListener(this);item6=newJMenuItem("打印(P)");menu1.add(item6);item6.setFont(font3);item7=newJMenuItem("退出(X)");menu1.add(item7);item7.addActionListener(this);item7.setFont(font3);menu2=newJMenu("编辑(E)");menu2.setFont(font2);i1=newJMenuItem("撤销(U)");i1.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_Z,InputEvent.CTRL_MASK));menu2.add(i1);i1.setFont(font3);i2=newJMenuItem("剪切(T)");i2.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_X,InputEvent.CTRL_MASK));menu2.add(i2);i2.addActionListener(this);i2.setFont(font3);i3=newJMenuItem("复制(C)");i3.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_C,InputEvent.CTRL_MASK));menu2.add(i3);i3.addActionListener(this);i3.setFont(font3);i4=newJMenuItem("粘贴(P)");i4.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_V,InputEvent.CTRL_MASK));menu2.add(i4);i4.addActionListener(this);i4.setFont(font3);i5=newJMenuItem("删除(L)");i5.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_DELETE,InputEvent.CTRL_MASK));menu2.add(i5);i5.addActionListener(this);i5.setFont(font3);i6=newJMenuItem("查找(F)");i6.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_F,InputEvent.CTRL_MASK));menu2.add(i6);i6.setFont(font3);i7=newJMenuItem("查找下一个(N)");i7.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_F3,InputEvent.CTRL_MASK));menu2.add(i7);i7.setFont(font3);i8=newJMenuItem("替换(R)");i8.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_H,InputEvent.CTRL_MASK));menu2.add(i8);i8.setFont(font3);menu3=newJMenu("格式(D)");menu3.setFont(font2);t1=newJMenuItem("自动换行(W)");menu3.add(t1);t1.setFont(font3);t2=newJMenuItem("字体");menu3.add(t2);t2.addActionListener(this);t2.setFont(font3);menu4=newJMenu("查看(V)");menu4.setFont(font2);t3=newJMenuItem("状态栏");menu4.add(t3);t3.setFont(font3);menu5=newJMenu("帮助(H)");menu5.setFont(font2);t4=newJMenuItem("查看帮助(H)");menu5.add(t4);t4.setFont(font3);t5=newJMenuItem("关于记事本(A)");menu5.add(t5);t5.setFont(font3);splitPane=newJSplitPane();scroll=newJScrollPane(text);text=newJTextArea(36,123);add(newJScrollPane(text));menubar.add(menu1);menubar.add(menu2);menubar.add(menu3);menubar.add(menu4);menubar.add(menu5);text=newJTextArea();text.setBackground(Color.pink);setJMenuBar(menubar);add(newJScrollPane(text),BorderLayout.CENTER);validate();//iPanel=newImagePanel();//iPanel.setSize(1350,800);//this.add(iPanel);//text.add(iPanel);setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);}Fontfont=null;Fontfont1=newFont("楷体",49,50);publicvoidactionPerformed(ActionEvente){if(e.getSource()==item1){JSBHIwin=newJSBHI("我的记事本");}elseif(e.getSource()==item2){fileDlg=newFileDialog(this,"打开文件");//生成文件对话框fileDlg.show();//显示文件对话框fileName=fileDlg.getFile();//获取文件名try{FileInputStreamin=newFileInputStream(fileName);//建立文件输入流in.read(byteBuf);//将文件内容读到字节数组in.close();//关闭文件输入流str=newString(byteBuf);//将字节数组转换成字符串text.setText(str);//将字符串显示在文字区setTitle("简易文本编辑器-"+fileName);}catch(IOExceptionioe){}}elseif(e.getSource()==item7){System.exit(0);}/*elseif(e.getSource()==i2){text.cut();}elseif(e.getSource()==i3){text.copy();}elseif(e.getSource()==i4){text.paste();}*/elseif(e.getSource()==i5){}elseif(e.getSource()==t2){new字体("字体");}elseif(e.getSource()==t3){}elseif(e.getSource()==item3){fileDlg=newFileDialog(this,"保存文件",FileDialog.SAVE);//生成文件对话框fileDlg.show();fileName=fileDlg.getFile();str=text.getText();//将文本区内容读至字符串byteBuf=str.getBytes();//将字符串转换成字节数组try{FileOutputStreamout=newFileOutputStream(fileName);out.write(byteBuf);//将字节数组写入文件输出流out.close();//关闭文件输出流}catch(IOExceptionioe){}}elseif(e.getSource()==t2){}elseif(e.getSource()==item5){ColornewColor=JColorChooser.showDialog(this,"调色板",item5.getBackground());if(newColor!=null){text.setBackground(newColor);text.setFont(font1);}}elseif(e.getSource()==item4){intstate=fileDialog.showSaveDialog(this);if(state==JFileChooser.APPROVE_OPTION){text.append("n单击了对话框上的''确定"按钮");text.append("n保存文件夹的名字:"+fileDialog.getSelectedFile());}else{text.append("n单击了对话框上的"取消''按钮或关闭图标");}}}}