基本信息
源码名称:java压缩指定文件夹下的所有文本文件(java.util.zip)
源码大小:3.57KB
文件格式:.zip
开发语言:Java
更新时间:2019-07-21
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   源码介绍


package com.mingrisoft;

import java.awt.BorderLayout;
import java.awt.EventQueue;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import java.io.FileFilter;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;

import javax.swing.JButton;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.JTextField;
import javax.swing.border.EmptyBorder;
import javax.swing.table.DefaultTableModel;

public class ZipTextFileFrame extends JFrame {
    
    /**
     * 
     */
    private static final long serialVersionUID = -8885017327239429018L;
    private JPanel contentPane;
    private JTextField chooseTextField;
    private JTable table;
    private File[] textFiles;
    
    /**
     * Launch the application.
     */
    public static void main(String[] args) {
        EventQueue.invokeLater(new Runnable() {
            public void run() {
                try {
                    ZipTextFileFrame frame = new ZipTextFileFrame();
                    frame.setVisible(true);
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        });
    }
    
    /**
     * Create the frame.
     */
    public ZipTextFileFrame() {
        setTitle("\u538B\u7F29\u6240\u6709\u6587\u672C\u6587\u4EF6");
        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(new BorderLayout(0, 0));
        
        JPanel choosePanel = new JPanel();
        contentPane.add(choosePanel, BorderLayout.NORTH);
        
        chooseTextField = new JTextField();
        choosePanel.add(chooseTextField);
        chooseTextField.setColumns(18);
        
        JButton chooseButton = new JButton("\u9009\u62E9\u6587\u4EF6\u5939");
        chooseButton.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent arg0) {
                do_chooseButton_actionPerformed(arg0);
            }
        });
        choosePanel.add(chooseButton);
        
        JPanel buttonPanel = new JPanel();
        contentPane.add(buttonPanel, BorderLayout.SOUTH);
        
        JButton zipButton = new JButton("\u5F00\u59CB\u538B\u7F29");
        zipButton.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent arg0) {
                do_zipButton_actionPerformed(arg0);
            }
        });
        buttonPanel.add(zipButton);
        
        JScrollPane scrollPane = new JScrollPane();
        contentPane.add(scrollPane, BorderLayout.CENTER);
        
        table = new JTable();
        scrollPane.setViewportView(table);
    }
    
    protected void do_chooseButton_actionPerformed(ActionEvent arg0) {
        JFileChooser fileChooser = new JFileChooser();
        fileChooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
        fileChooser.setMultiSelectionEnabled(false);
        int result = fileChooser.showOpenDialog(this);
        if (result == JFileChooser.APPROVE_OPTION) {
            File selectFile = fileChooser.getSelectedFile();
            chooseTextField.setText(selectFile.getAbsolutePath());
            textFiles = selectFile.listFiles(new FileFilter() {
                
                @Override
                public boolean accept(File file) {
                    if (file.getPath().endsWith(".txt")) {
                        return true;
                    }
                    return false;
                }
            });
            DefaultTableModel model = (DefaultTableModel) table.getModel();
            model.setColumnIdentifiers(new Object[] { "序号", "文件名" });
            for (int i = 0; i < textFiles.length; i  ) {
                model.addRow(new Object[] { i   1, textFiles[i].getName() });
            }
            table.setModel(model);
        }
    }
    
    protected void do_zipButton_actionPerformed(ActionEvent arg0) {
        if (chooseTextField.getText().length() == 0) {
            JOptionPane.showMessageDialog(this, "请选择要压缩的文件夹", "", JOptionPane.WARNING_MESSAGE);
            return;
        }
        String zipFilePath = new File(chooseTextField.getText()).getParent();
        try {
            zipFile(textFiles, new File(zipFilePath   File.separator   "java.zip"));
            JOptionPane.showMessageDialog(this, "完成压缩");
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    
    private static void zipFile(File[] files, File targetZipFile) throws IOException {
        // 利用给定的targetZipFile对象创建文件输出流对象
        FileOutputStream fos = new FileOutputStream(targetZipFile);
        ZipOutputStream zos = new ZipOutputStream(fos);// 利用文件输出流创建压缩输出流
        byte[] buffer = new byte[1024];// 创建写入压缩文件的数组
        for (File file : files) {// 遍历全部文件
            ZipEntry entry = new ZipEntry(file.getName());// 利用每个文件的名字创建ZipEntry对象
            FileInputStream fis = new FileInputStream(file);// 利用每个文件创建文件输入流对象
            zos.putNextEntry(entry);// 在压缩文件中添加一个ZipEntry对象
            int read = 0;
            while ((read = fis.read(buffer)) != -1) {
                zos.write(buffer, 0, read);// 将输入写入到压缩文件
            }
            zos.closeEntry();// 关闭ZipEntry
            fis.close();// 释放资源
        }
        zos.close();
        fos.close();
    }
    
}