java文件切割和合并

界面

package 文件分割合并;

import java.awt.BorderLayout;
import java.awt.FlowLayout;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import java.nio.file.OpenOption;

import javax.swing.BorderFactory;
import javax.swing.ButtonGroup;
import javax.swing.JButton;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JRadioButton;
import javax.swing.JTabbedPane;
import javax.swing.JTextField;
import javax.swing.filechooser.FileFilter;
import javax.swing.filechooser.FileNameExtensionFilter;
import javax.swing.text.html.Option;

import 音乐播放器.MusicPlayer;

public class JTabbedPaneDemo extends JFrame {
    private JButton jbSplit = null;
    private JButton jbMerge = null;
    private JPanel jpSplit = null;
    private JPanel jpMerge = null;
    private JTextField jtfFileName = null, jtfFileName2 = null, jtf1 = null,
            jtf2 = null, jtf3;
    private JTextField jtfMergeFile1 = null, jtfMergeFile2 = null,
            jtfMergeFile3 = null;
    private JRadioButton jrb1 = null, jrb2 = null, jrb3=null, jrb4=null;
    private File srcFile = null;
    private File endFile = null;
    private boolean isSplitWay = true;
    private String splitWay = "10";
    private boolean isSplitName = false;
    private String splitName = "请输入",mergeName="";
    public JButton jbStart = null, jbStop = null, jbExit = null,jbMergeStart=null;
    private boolean isStart = true;
    private SplitFile splitFile = null;
    private File fileMerge=null,fileMerge2=null;
    private boolean isMergeStart=false;
    public JTabbedPaneDemo() {
        super("文件分割合并工具");
        this.setLocation(450, 200);
        this.setSize(550, 400);
        this.setLayout(new BorderLayout());
        JTabbedPane jtp = new JTabbedPane();
        jbSplit = new JButton("分割");
        addSplit();
        jtp.add(jpSplit, "分割");
        jbMerge = new JButton("合并");
        addMerge();
        jtp.add(jpMerge, "合并");
        this.getContentPane().add(jtp, BorderLayout.CENTER);
        this.setResizable(false);
        this.setDefaultCloseOperation(EXIT_ON_CLOSE);
        this.setVisible(true);
    }

    public void addSplit() {
        jpSplit = new JPanel();
        jpSplit.setLayout(null);
        // 标签
        JLabel jlFileName = new JLabel("分割文件名");
        jlFileName.setFont(new Font("csx", Font.BOLD, 15));
        jpSplit.add(jlFileName);
        jlFileName.setBounds(20, 10, 100, 20);
        // 分割文件选择文本框
        jtfFileName = new JTextField(20);
        jtfFileName.setBounds(20, 35, 300, 25);
        jpSplit.add(jtfFileName);
        // 分割文件选择按钮
        final JButton jbtSplit1 = new JButton("浏览");
        jbtSplit1.setBounds(350, 35, 100, 25);
        jpSplit.add(jbtSplit1);
        jbtSplit1.setName("浏览1");
        jbtSplit1.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                JFileChooser jfc = new JFileChooser();
                int returnVal = jfc.showOpenDialog(JTabbedPaneDemo.this);
                if (returnVal == JFileChooser.APPROVE_OPTION) {
                    srcFile = jfc.getSelectedFile();
                    jtfFileName.setText(srcFile.getAbsolutePath());
                }
            }
        });
        // 输出文件标签
        JLabel jlFileName2 = new JLabel("保存位置");
        jlFileName2.setFont(new Font("csx", Font.BOLD, 15));
        jpSplit.add(jlFileName2);
        jlFileName2.setBounds(20, 65, 100, 20);
        // 输出文件选择文本框
        jtfFileName2 = new JTextField(20);
        jtfFileName2.setBounds(20, 90, 300, 25);
        jpSplit.add(jtfFileName2);
        // 输出文件选择
        JButton jbtSplit2 = new JButton("浏览");
        jbtSplit2.setBounds(350, 90, 100, 25);
        jpSplit.add(jbtSplit2);
        jbtSplit2.setName("浏览2");
        jbtSplit2.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                JFileChooser jfc = new JFileChooser();
                jfc.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
                int returnVal = jfc.showOpenDialog(JTabbedPaneDemo.this);
                if (returnVal == JFileChooser.APPROVE_OPTION) {
                    endFile = jfc.getSelectedFile();
                    jtfFileName2.setText(endFile.getAbsolutePath());
                }
            }
        });
        // 分割选项
        JPanel jp = new JPanel();
        jp.setLayout(new FlowLayout());
        jp.setBounds(20, 120, 200, 100);
        jp.setBorder(BorderFactory.createTitledBorder("分割方式"));
        ButtonGroup bg = new ButtonGroup();
        jrb1 = new JRadioButton("每份大小");
        jtf1 = new JTextField(5);
        jtf1.setText("1024");
        JLabel jlb1 = new JLabel("kb");
        jrb2 = new JRadioButton("平均分配");
        jtf2 = new JTextField(5);
        JLabel jlb2 = new JLabel("份");
        bg.add(jrb1);
        bg.add(jrb2);
        jp.add(jrb1);
        jp.add(jtf1);
        jp.add(jlb1);
        jp.add(jrb2);
        jp.add(jtf2);
        jp.add(jlb2);
        jpSplit.add(jp);
        jrb1.addActionListener(new action());
        jrb2.addActionListener(new action());
        // 设置名称
        JPanel jp2 = new JPanel();
        jp2.setLayout(new FlowLayout());
        jp2.setBounds(220, 120, 300, 100);
        jp2.setBorder(BorderFactory.createTitledBorder("设置名称"));
        ButtonGroup bg2 = new ButtonGroup();
        jrb3 = new JRadioButton("自定义名字为");
        jtf3 = new JTextField(5);
        jtf3.setText(splitName);
        JLabel jl3 = new JLabel("+ 序号");
        jrb4 = new JRadioButton("默认以数字命名(如1.part,2.part...)");
        jrb4.setSelected(true);
        bg2.add(jrb3);
        bg2.add(jrb4);
        jp2.add(jrb3);
        jp2.add(jtf3);
        jp2.add(jl3);
        jp2.add(jrb4);
        jpSplit.add(jp2);
        jrb3.addActionListener(new action());
        jrb4.addActionListener(new action());
        // 开始按钮
        jbStart = new JButton("开始分割");
        jbStart.setBounds(50, 250, 100, 40);
        jpSplit.add(jbStart);
        jbStart.addActionListener(new action());
        // 停止按钮
        jbStop = new JButton("停止分割");
        jbStop.setBounds(200, 250, 100, 40);
        jpSplit.add(jbStop);
        jbStop.addActionListener(new action());
        // 退出
        jbExit = new JButton("退出");
        jbExit.setBounds(350, 250, 100, 40);
        jpSplit.add(jbExit);
        jbExit.addActionListener(new action());

    }

    public void addMerge() {
        jpMerge = new JPanel();
        jpMerge.setLayout(null);
        // 合并文件选择
        JLabel jlMergeName = new JLabel("合并文件");
        jlMergeName.setFont(new Font("csx", Font.BOLD, 15));
        jpMerge.add(jlMergeName);
        jlMergeName.setBounds(20, 10, 100, 20);
        jtfMergeFile1 = new JTextField(20);
        jtfMergeFile1.setBounds(20, 35, 300, 25);
        JButton jbMerge1 = new JButton("浏览");
        jbMerge1.setBounds(350, 35, 100, 25);
        jpMerge.add(jbMerge1);
        jpMerge.add(jtfMergeFile1);
        jbMerge1.addActionListener(new ActionListener() {

            public void actionPerformed(ActionEvent e) {
                JFileChooser jfc = new JFileChooser();
                jfc.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
                int returnVal = jfc.showOpenDialog(JTabbedPaneDemo.this);
                if (returnVal == JFileChooser.APPROVE_OPTION) {
                    fileMerge = jfc.getSelectedFile();
                    jtfMergeFile1.setText(fileMerge.getAbsolutePath());
                }
            }
        });
        // 保存位置选择
        JLabel jlMergeName2 = new JLabel("保存位置");
        jlMergeName2.setFont(new Font("csx", Font.BOLD, 15));
        jpMerge.add(jlMergeName2);
        jlMergeName2.setBounds(20, 65, 100, 20);
        jtfMergeFile2 = new JTextField(20);
        jtfMergeFile2.setBounds(20, 90, 300, 25);
        JButton jbMerge2 = new JButton("浏览");
        jbMerge2.setBounds(350, 90, 100, 25);
        jpMerge.add(jbMerge2);
        jpMerge.add(jtfMergeFile2);
        jbMerge2.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                JFileChooser jfc = new JFileChooser();
                jfc.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
                int returnVal = jfc.showOpenDialog(JTabbedPaneDemo.this);
                if (returnVal == JFileChooser.APPROVE_OPTION) {
                    fileMerge2 = jfc.getSelectedFile();
                    jtfMergeFile2.setText(fileMerge2.getAbsolutePath());
                }
            }
        });
        // 保存名字和格式
        JLabel jlMergeName3 = new JLabel("保存名字和格式(xxx.xxx)");
        jlMergeName3.setFont(new Font("csx", Font.BOLD, 15));
        jlMergeName3.setBounds(20, 120, 200, 20);
        jtfMergeFile3 = new JTextField(20);
        jtfMergeFile3.setBounds(20, 145, 300, 25);
        jpMerge.add(jlMergeName3);
        jpMerge.add(jtfMergeFile3);
        // 开始按钮
        jbMergeStart = new JButton("开始合并");
        jbMergeStart.setBounds(200, 250, 100, 40);
        jpMerge.add(jbMergeStart);
        jbMergeStart.addActionListener(new action());
    }

    class action implements ActionListener {
        public void actionPerformed(ActionEvent e) {
            if (e.getSource() == jrb1||e.getSource()==jtf1) {
                isSplitWay = true;
                jtf1.setEditable(true);
                jtf2.setEditable(false);
            }
            if (e.getSource() == jrb2) {
                isSplitWay = false;
                jtf2.setEditable(true);
                jtf1.setEditable(false);
            }
            if (e.getSource() == jrb3) {
                isSplitName = true;
            }
            if (e.getSource() == jrb4) {
                isSplitName = false;
            }
            if (e.getSource() == jbStart) {
                isStart = true;
                if (srcFile == null || endFile == null) {
                    JOptionPane.showMessageDialog(JTabbedPaneDemo.this,
                            "文件不存在,请重新选择");
                    return;
                }
                if(isSplitWay){
                    splitWay=jtf1.getText();
                }else{
                    splitWay=jtf2.getText();
                }
                System.out.println(isSplitName);
                if(isSplitName){
                    splitName = jtf3.getText();
                }
                System.out.println(splitName);
                splitFile = new SplitFile(srcFile, endFile, isSplitWay,
                        splitWay, isSplitName, splitName, isStart,JTabbedPaneDemo.this);
                Thread t = new Thread(splitFile);
                t.start();
            }
            if (e.getSource() == jbStop) {
                splitFile.isStart = false;
                jbStart.setEnabled(true);
            }
            if (e.getSource() == jbExit) {
                System.exit(-1);
            }
            if(e.getSource()==jbMergeStart){
                isMergeStart=true;
                mergeName=jtfMergeFile3.getText();
                MergeFile merge=new MergeFile(fileMerge,fileMerge2,mergeName,isMergeStart,JTabbedPaneDemo.this);
                Thread t=new Thread(merge);
                t.start();
            }
        }
    }

    public static void main(String[] args) {
        new JTabbedPaneDemo();
    }
}

切割功能

package 文件分割合并;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

import javax.swing.JOptionPane;

public class SplitFile implements Runnable {
    private File srcFile = null;
    private File endFile = null;
    private boolean isSplitWay;
    private int splitWay = 0;
    private boolean isSplitName;
    private String splitName = null;
    public boolean isStart;
    private JTabbedPaneDemo mainJfram=null;

    public SplitFile(File srcFile, File endFile, boolean isSplitWay,
            String splitWay, boolean isSplitName, String splitName,
            boolean isStart,JTabbedPaneDemo mainJfram) {
        this.srcFile = srcFile;
        this.endFile = endFile;
        this.isSplitWay = isSplitWay;
        try {
            this.splitWay = Integer.parseInt(splitWay);
        } catch (NumberFormatException e) {
            JOptionPane.showMessageDialog(null, "分割大小错误");
            return;
        }
        this.isSplitName = isSplitName;
        this.splitName = splitName;
        this.isStart = isStart;
        this.mainJfram=mainJfram;
    }

    public void run() {
        while (isStart) {
            mainJfram.jbStart.setEnabled(false);
            FileInputStream fis = null;
            BufferedInputStream bis = null;
            FileOutputStream fos = null;
            BufferedOutputStream bos = null;
            try {
                fis = new FileInputStream(srcFile);
                bis = new BufferedInputStream(fis);
                byte[] buf = null;
                if (isSplitWay) {
                    buf = new byte[splitWay * 1024];
                } else {
                    buf = new byte[(int) (srcFile.length() / splitWay)+10];
                }
                //System.out.println("自定义名字:"+splitName);
                if (!isSplitName) {
                    splitName = "";
                }
                //System.out.println("缓冲区长度:"+buf.length);
                //System.out.println("自定义名字:"+splitName);
                int len = 0;
                int count = 0;
                while ((len = bis.read(buf)) != -1) {
                    fos = new FileOutputStream(endFile +"\\"+"_"+splitName + (++count)
                            + ".part");
                    //System.out.println("存储文件:"+endFile +"\\"+splitName + (count)
                    // + ".part");
                    bos = new BufferedOutputStream(fos);
                    bos.write(buf, 0, len);
                    bos.flush();
                    bos.close();
                    System.out.println(count);
                }
            } catch (IOException e) {
                e.printStackTrace();
            } finally {
                try {
                    if (bis != null) {
                        bis.close();
                        JOptionPane.showMessageDialog(null, "恭喜你,文件分割完成");
                    }
                } catch (IOException e) {
                    throw new RuntimeException("关流失败");
                }finally{
                    mainJfram.jbStart.setEnabled(true);
                    isStart=false;
                }

            }
        }
    }

}

合并功能

package 文件分割合并;

import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.SequenceInputStream;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.Enumeration;

import javax.swing.JOptionPane;

public class MergeFile implements Runnable {
    private File fileMerge = null;
    private File fileMerge2 = null;
    private String mergeName = null;
    private boolean isMergeStart = false;
    JTabbedPaneDemo mainJfram = null;

    public MergeFile(File fileMerge, File fileMerge2, String mergeName,
            boolean isMergeStart, JTabbedPaneDemo mainJfram) {
        this.fileMerge = fileMerge;
        this.fileMerge2 = fileMerge2;
        this.mergeName = mergeName;
        this.isMergeStart = isMergeStart;
        this.mainJfram = mainJfram;
        System.out.println(mergeName);
    }

    public void run() {
        while (isMergeStart) {
            FileOutputStream fos = null;
            BufferedOutputStream bos = null;
            SequenceInputStream sis = null;
            try {
                mainJfram.jbMergeStart.setEnabled(false);
                File[] file = fileMerge.listFiles();
                ArrayList<File> list = new ArrayList<File>();
                for (File f : file) {
                    list.add(f);
                }
                Collections.sort(list, new Comparator<File>() {

                    public int compare(File o1, File o2) {
                        String str1 = o1.getName().split("_")[1].split("\\.")[0];
                        String str2 = o2.getName().split("_")[1].split("\\.")[0];
                        return Integer.parseInt(str1) - Integer.parseInt(str2);
                    }
                });
                ArrayList<FileInputStream> list2 = new ArrayList<FileInputStream>();
                for (File f : list) {
                    list2.add(new FileInputStream(f));
                }
                Enumeration<FileInputStream> en = Collections
                        .enumeration(list2);
                sis = new SequenceInputStream(en);
                fos = new FileOutputStream(fileMerge2 + "\\" + mergeName);
                bos = new BufferedOutputStream(fos);
                byte[] buf = new byte[1024];
                int len = 0;
                System.out.println("测试");
                while ((len = sis.read(buf)) != -1) {
                    bos.write(buf, 0, len);
                    //bos.flush();
                }

            } catch (IOException e) {
                JOptionPane.showMessageDialog(null, "合并失败,文件可能不存在或有问题");
            } finally {
                try {
                    if (sis != null) {
                        sis.close();
                    }
                    if (bos != null) {
                        bos.close();
                    }
                } catch (IOException e) {

                } finally {
                    mainJfram.jbMergeStart.setEnabled(true);
                    isMergeStart = false;
                }
            }
        }
    }

}