Java初学,文件分割合并.doc

import java.awt.*;import java.awt.event.*;import javax.swing.*;import java.io.*;import java.util.*;public class FileCutterpublic static void main(String args)EventQueue.invokeLater(new Runnable()public void run()CutterFrame myFrame = new CutterFrame();myFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);myFrame.setVisible(true););class CutterFrame extends JFrame/创建框架private int Height;private int Width;public CutterFrame()/获取屏幕信息Toolkit kit=Toolkit.getDefaultToolkit();Dimension screenSize=kit.getScreenSize();Height=screenSize.height; Width=screenSize.width; /设置大小和位置setBounds(Width/3,Height/8,Width/3,(Height*2)/3);setTitle(Super Cutter Frame);/添加面板CutPanel aCutPanel=new CutPanel(Height,Width/3);MergePanel aMergePanel=new MergePanel(Height,Width/3);/添加选项卡JTabbedPane tp=new JTabbedPane(SwingConstants.TOP); add(tp); tp.add(aCutPanel,File Cut); tp.add(aMergePanel,File Merge);class CutPanel extends JPanelprivate String FileName=;private String Target=;private int Size=0; private int FileSize=0; private int Number=0; /进度条 private JProgressBar CutProgressBar=new JProgressBar(); /标签private JLabel Label_Name=new JLabel(File Name:);private JLabel Label_Size=new JLabel(File Size:);private JLabel Label_BlockSize=new JLabel(Block Size:);private JLabel Label_Number= new JLabel(Number of Block:);private JLabel Label_TargetFile=new JLabel(Target File:);private JLabel Label_KB=new JLabel(KB);/文本域private JTextField Text_FileName=new JTextField();private JTextField Text_SizeOfFile=new JTextField();private JTextField Text_Number=new JTextField() ;private JTextField Text_Target=new JTextField();private JTextField Text_SelfSize=new JTextField();/按钮private JButton Button_BrowseFile=new JButton(.);private JButton Button_Target=new JButton(.);private JButton Button_Start=new JButton(Start Cutting);/单选Radioprivate ButtonGroup Buttons_Size=new ButtonGroup();private JRadioButton Radio_1_44M=new JRadioButton(1.44MB);private JRadioButton Radio_1_20M=new JRadioButton(1.2MB);private JRadioButton Radio_720K=new JRadioButton(720KB);private JRadioButton Radio_360K=new JRadioButton(360KB);private JRadioButton Radio_self=new JRadioButton(Self Defined);public CutPanel(int Height,int Width)/分割面板构造setLayout(null);int y=Height/32; int x=Width/32; /浏览文件按钮添加监听器 Button_BrowseFile.addActionListener(new ActionListener() public void actionPerformed(ActionEvent event) FileName=ShowOpenDialog.ChooseFile(true,false).get(0); if(FileName!=) Text_FileName.setText(FileName); FileSize=(int) (new File(FileName).length()/1024); Text_SizeOfFile.setText(+FileSize+ KB); if(Size!=0) Number=FileSize/Size; if(NumberFileSize) return 1; else if(FileSize%Size0) return (FileSize/Size)+1; else return FileSize/Size; /Start按钮添加监听器class CutStart implements ActionListenerpublic void actionPerformed(ActionEvent event)RunCut aThread=new RunCut();aThread.start();/多线程class RunCut extends Thread public void run()Size=Size*1024;byte Bytes=new byteSize; RandomAccessFile toWrite; int i=1; if(FileName!=&Target!=) try int temp = 0; RandomAccessFile raf=new RandomAccessFile(FileName,r); String Name=GetName(FileName); while( (temp = raf.read(Bytes)!=-1)/对文件分割 if(i10) toWrite=new RandomAccessFile(Target+/000+i+_+Name,rw); toWrite.write(Bytes, 0, temp); System.out.println(i=+i); CutProgressBar.setValue(int)(double)i/(double)Number)*100); toWrite.close(); i+; else toWrite=new RandomAccessFile(Target+/00+i+_+Name,rw); toWrite.write(Bytes, 0, temp); System.out.println(i=+i); CutProgressBar.setValue(int)(double)i/(double)Number)*100); toWrite.close(); i+; raf.close(); catch (IOException e) e.printStackTrace(); /返回文件路径中的文件名部分 public String GetName(String FileName)File tempFile=new File(FileName);System.out.println(tempFile.getName();return tempFile.getName(); class MergePanel extends JPanel private int Number;private String FileName=;private String TargetFile=E:temptemp;private ArrayList FileNames=new ArrayList();private ArrayList Temp=new ArrayList();/进度条private JProgressBar MergeProgressBar=new JProgressBar();/列表private DefaultListModel ListModel=new DefaultListModel();private JList List_Files=new JList(ListModel);private JScrollPane aScrollPane=new JScrollPane(List_Files,JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);/文本private JTextField Text_FileName=new JTextField();private JTextField Text_Numbers=new JTextField();private JTextField Text_TargetFile=new JTextField(); /按钮private JButton Button_BrowseFile=new JButton(.);private JButton Button_Remove=new JButton(Remove);private JButton Button_Clear=new JButton(Clear);private JButton Button_StartMerge= new JButton(Start Merging);private JButton Button_Target=new JButton(.);/标签private JLabel Label_FileName=new JLabel(File Name:);private JLabel Label_FilesMerged=new JLabel(Files To Be Merged);private JLabel Label_Numbers=new JLabel(Numbers Of Files:);private JLabel Label_TargetFile=new JLabel(Target File:);/合并面板public MergePanel(int Height,int Weight) setLayout(null); int y=Height/32; int x=Weight/32; Text_FileName.setEditable(false); Text_Numbers.setEditable(false); Text_TargetFile.setEditable(false); /设置进度条 MergeProgressBar.setStringPainted(true); /设置位置 Label_FileName.setBounds(1*x,y,5*x,y); Label_FilesMerged.setBounds(1*x,3*y,10*x,y); Label_Numbers.setBounds(1*x,11*y,8*x,y); Label_TargetFile.setBounds(1*x,15*y,8*x,y); /List_Files.setBounds(1*x,4*y,29*x,6*y); /aScrollPane.setBounds(29*x)+(x/3),4*y,2*(x/3),6*y); aScrollPane.setBounds(1*x,4*y,29*x,6*y); Text_FileName.setBounds(6*x,y,18*x,y); Text_Numbers.setBounds(9*x,11*y,5*x,y); Text_TargetFile.setBounds(7*x,15*y,17*x,y); Button_BrowseFile.setBounds(25*x,y,5*x,y); Button_Remove.setBounds(9*x,13*y,6*x,y); Button_Clear.setBounds(16*x,13*y,6*x,y); Button_StartMerge.setBounds(1*x,17*y,8*x,y); Button_Target.setBounds(25*x,15*y,5*x,y); MergeProgressBar.setBounds(10*x,17*y,20*x,y); /添加组件 /add(List_Files); add(aScrollPane); add(Text_FileName); add(Text_Numbers); add(Text_TargetFile); add(Label_FileName); add(Label_FilesMerged); add(Label_Numbers); add(Label_TargetFile); add(Button_BrowseFile); add(Button_Remove); add(Button_Clear); add(Button_Target); add(Button_StartMerge); add(MergeProgressBar); /选择目标文件夹按钮监听器 Button_Target.addActionListener(new ActionListener() public void actionPerformed(ActionEvent event) String temp=ShowOpenDialog.ChooseFile(false, false).get(0); if(temp!=) TargetFile=temp; Text_TargetFile.setText(TargetFile); ); /选择文件按钮监听器 Button_BrowseFile.addActionListener(new ActionListener() public void actionPerformed(ActionEvent event) Temp=ShowOpenDialog.ChooseFile(true,true); if(Temp.get(0)!=) /FileName=; int x=0; for(String a:Temp) FileName += a; ListModel.addElement(a); FileNames.add(a); x+; Text_FileName.setText(FileName); Number=Number+x; Text_Numbers.setText(+Number); ); /清空按钮添加监听器 Button_Clear.addActionListener(new ActionListener() public void actionPerformed(ActionEvent event) ListModel.clear(); FileNames.clear(); Number=0; Text_FileName.setText(); Text_Numbers.setText(+Number); ); /移除按钮添加监听器 Button_Remove.addActionListener(new ActionListener() public void actionPerformed(ActionEvent event) int index=List_Files.getSelectedIndex(); if(index=0&index=ListModel.size() ListModel.remove(index); FileNames.remove(index); Number-; for(String a:FileNames) FileName += a; Text_FileName.setText(FileName); /index=Integer.parseInt(Text_Numbers.getText(); /if(index!=0) / Text_Numbers.setText(Number+); / ); Button_StartMerge.addActionListener(new MergeStart(); /Start按钮监听器class MergeStart implements ActionListenerpublic void actionPerformed(ActionEvent event)RunMerge bThread=new RunMerge();bThread.start();/实现多线程class RunMerge extends Threadpublic void run()RandomAccessFile reader;RandomAccessFile writter;int i=FileNames.size();int j=0;try writter=new RandomAccessFile(TargetFile+/+GetName(FileNames.get(0),rw);for(String name:FileNames)/文件读写System.out.println(name);tryreader=new RandomAccessFile(name,r);byte Bytes=new byte(int)reader.length();reader.read(Bytes);writter.seek(writter.length();writter.write(Bytes);reader.close();j+; System.out.println(J=+j);MergeProgressBar.setValue(int)(double)j/(double)i)*100); catch (FileNotFoundException e) e.printStackTrace(); catch (IOException e) e.printStackTrace();writter.close(); catch (FileNotFoundException e1) e1.printStackTrace();