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(); } }