java批量复制指定扩展名文件

将指定格式的文件 复制到某个文件夹下

package com.mingrisoft;import java.awt.EventQueue;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.util.List;import javax.swing.JButton;import javax.swing.JComboBox;import javax.swing.JFileChooser;import javax.swing.JFrame;import javax.swing.JLabel;import javax.swing.JOptionPane;import javax.swing.JPanel;import javax.swing.JTextField;import javax.swing.SwingUtilities;import javax.swing.UIManager;import javax.swing.border.EmptyBorder;public class CopyFileFrame extends JFrame { /** * */ private static final long serialVersionUID = -8061493305783207953L; private JPanel contentPane; private JTextField filePathTextField; private JTextField saveTextField; JComboBox typeComboBox; /** * Launch the application. */ public static void main(String[] args) { EventQueue.invokeLater(new Runnable() { public void run() { try { CopyFileFrame frame = new CopyFileFrame(); frame.setVisible(true); } catch (Exception e) { e.printStackTrace(); } } }); } /** * Create the frame. */ public CopyFileFrame() { 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(null); setTitle("复制指定格式的文件"); JPanel panel = new JPanel(); panel.setBounds(0, 0, 434, 262); contentPane.add(panel); panel.setLayout(null); JLabel filePathLabel = new JLabel("文件地址："); filePathLabel.setBounds(35, 46, 66, 15); panel.add(filePathLabel); filePathTextField = new JTextField(); filePathTextField.setBounds(108, 43, 208, 21); panel.add(filePathTextField); filePathTextField.setColumns(10); JButton choiceButton = new JButton("选择"); choiceButton.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent arg0) { do_choiceButton_actionPerformed(arg0); } }); choiceButton.setBounds(331, 42, 66, 23); panel.add(choiceButton); JLabel saveLabel = new JLabel("保存地址："); saveLabel.setBounds(35, 101, 66, 15); panel.add(saveLabel); saveTextField = new JTextField(); saveTextField.setBounds(108, 98, 208, 21); panel.add(saveTextField); saveTextField.setColumns(10); JButton saveButton = new JButton("选择"); saveButton.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent arg0) { do_saveButton_actionPerformed(arg0); } }); saveButton.setBounds(331, 97, 66, 23); panel.add(saveButton); JLabel typeLabel = new JLabel("文件类型："); typeLabel.setBounds(35, 157, 66, 15); panel.add(typeLabel); String types[] = { ".doc", ".txt", ".jpg" }; typeComboBox = new JComboBox(types); typeComboBox.setBounds(111, 154, 85, 21); panel.add(typeComboBox); JButton copyButton = new JButton("复制"); copyButton.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent arg0) { do_copyButton_actionPerformed(arg0); } }); copyButton.setBounds(331, 157, 66, 23); panel.add(copyButton); } // 定义获取只可以选择文件夹的选择框 public JFileChooser getChooser() { JFileChooser fd = new JFileChooser(); String windows = "com.sun.java.swing.plaf.windows.WindowsLookAndFeel"; try { UIManager.setLookAndFeel(windows); } catch (Exception e) { e.printStackTrace(); }// 设置见面风格 SwingUtilities.updateComponentTreeUI(fd);// 使设置的界面风格生效 fd.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY); // 指示只显示目录 fd.showOpenDialog(this); return fd; } // 选择按钮单击事件 protected void do_choiceButton_actionPerformed(ActionEvent arg0) { JFileChooser fd = getChooser(); if ((fd.getSelectedFile() != null) && (!fd.getSelectedFile().equals(""))) { String strPath = fd.getSelectedFile().getPath(); filePathTextField.setText(strPath); } } // 选择文件保存地址按钮单击事件 protected void do_saveButton_actionPerformed(ActionEvent arg0) { JFileChooser fd = getChooser(); if ((fd.getSelectedFile() != null) && (!fd.getSelectedFile().equals(""))) { String strPath = fd.getSelectedFile().getPath(); saveTextField.setText(strPath); } } // 复制按钮的单击事件 @SuppressWarnings("rawtypes") protected void do_copyButton_actionPerformed(ActionEvent arg0) { CopyUtil util = new CopyUtil(); List fileList = util.getList(filePathTextField.getText()); String type = typeComboBox.getSelectedItem().toString(); for (int i = 0; i < fileList.size(); i ) { String strPath = fileList.get(i).toString(); if (strPath.endsWith(type)) { String strNewName = strPath.substring(strPath.lastIndexOf("\\") 1, strPath.length()); util.copyFile(strPath, saveTextField.getText() "\\" strNewName); } } JOptionPane.showMessageDialog(getContentPane(), "文件复制成功！", "信息提示框", JOptionPane.WARNING_MESSAGE); }}