利用java的Swing写的一个小工具，复制某类型文件

package com.testswing; import java.awt.Color; import java.awt.Dimension; import java.awt.Font; import java.awt.Toolkit; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.io.File; import java.util.ArrayList; import javax.swing.JButton; import javax.swing.JFileChooser; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JOptionPane; import javax.swing.JTextField; import com.util.FileUtil; public class TestSwingOne extends JFrame implements ActionListener { private int jfWidth = 800; private int jfheight = 400; private Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize(); private int x = (screenSize.width - jfWidth) / 2; private int y = (screenSize.height - jfheight) / 2; // 第一行开始的X,Y private int firstRowX = 70; private int firstRowY = 70; // 行和行的间隔 private int Space = 20; // 第一个控件的位置和大小 private int firstX = firstRowX; private int firstY = firstRowY; private int firstW = 150; private int firstH = 30; // 第二个控件的位置和大小 private int secX = 210; private int secY = firstRowY; private int secW = 350; private int secH = 30; // 第三个控件的位置和大小 private int thirdX = 570; private int thirdY = firstRowY; private int thirdW = 80; private int thirdH = 30; JTextField selectText = null; JTextField selectText2 = null; JTextField selectText3 = null; /** * */ private static final long serialVersionUID = 1L; public static void main(String[] args) { new TestSwingOne(); } public TestSwingOne() { this.setLayout(null); this.setBounds(x, y, jfWidth, jfheight); this.setVisible(true); this.setTitle("选择类型文件到指定目录工具"); this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); JLabel selectFile = new JLabel("要查找的文件夹:"); this.add(selectFile); selectFile.setBounds(firstX, firstY, firstW, firstH); // selectFile.setBackground(Color.blue); selectFile.setOpaque(true); selectFile.setFont(new Font("Dialog", 1, 18)); selectText = new JTextField(" 请选择要查找的文件夹路径"); this.add(selectText); selectText.setBounds(secX, secY, secW, secH); selectText.setEnabled(false); selectText.setFont(new Font("Dialog", 0, 16)); JButton open = new JButton("选择..."); this.add(open); open.setBounds(thirdX, thirdY, thirdW, thirdH); // 下面为第二行的控件 JLabel selectFile2 = new JLabel("文件类型:"); this.add(selectFile2); selectFile2.setBounds(firstX, firstY + firstH + Space, firstW, firstH); // selectFile.setBackground(Color.blue); selectFile2.setOpaque(true); selectFile2.setFont(new Font("Dialog", 1, 18)); selectText2 = new JTextField(" 请输入要查找的文件类型，如：.java;.html"); this.add(selectText2); selectText2.setBounds(secX, firstY + firstH + Space, secW, secH); selectText2.setEnabled(true); selectText2.setFont(new Font("Dialog", 0, 16)); JLabel jl3 = new JLabel("以英文分号分开"); this.add(jl3); jl3.setBounds(thirdX, firstY + firstH + Space, firstW, firstH); jl3.setOpaque(true); jl3.setFont(new Font("Dialog", 0, 16)); // 下面为第三行的控件 JLabel selectFile3 = new JLabel("存放结果文件夹:"); this.add(selectFile3); selectFile3.setBounds(firstX, firstY + firstH + Space + secH + Space, firstW, firstH); // selectFile3.setBackground(Color.blue); selectFile3.setOpaque(true); selectFile3.setFont(new Font("Dialog", 1, 18)); selectText3 = new JTextField(" 请选择存放结果的文件夹路径"); this.add(selectText3); selectText3.setBounds(secX, firstY + firstH + Space + secH + Space, secW, secH); selectText3.setEnabled(false); selectText3.setFont(new Font("Dialog", 0, 16)); JButton open2 = new JButton("选择..."); this.add(open2); open2.setBounds(thirdX, firstY + firstH + Space + secH + Space, thirdW, thirdH); JButton ok = new JButton("开始"); this.add(ok); ok.setBounds(thirdX, firstY + firstH + Space + secH + Space + thirdH + Space, thirdW, thirdH); open.addActionListener(new select1()); open2.addActionListener(new select2()); ok.addActionListener(this); } @SuppressWarnings("static-access") @Override public void actionPerformed(ActionEvent e) { String fileType = selectText2.getText(); if(fileType!=null && !fileType.equals("")) { if(fileType.startsWith(".")) { String[] fileT = fileType.split(";"); FileUtil fu = new FileUtil(); //要查找的文件路径 String filePath = selectText.getText(); try { @SuppressWarnings("static-access") ArrayList<File> fileList = fu.getFiles(filePath); //存放结果的文件夹路径 String fileGoTo = selectText3.getText(); System.out.println(fileGoTo); for (File file : fileList) { String f = file.getAbsolutePath(); if(f.contains(".")) { String prefix = f.substring(f.lastIndexOf(".")); if(fileIsBelongTo(fileT,prefix)) { fu.fileCopy(file, fileGoTo); } } } System.out.println("该次查找结束!"); JOptionPane.showMessageDialog(null, "该次查找结束!"); } catch (Exception e1) { e1.printStackTrace(); } }else { JOptionPane.showMessageDialog(null, "请输入正确的文件类型！", "WARNING",JOptionPane.WARNING_MESSAGE); } } System.out.println(fileType); } private class select1 implements ActionListener { public void actionPerformed(ActionEvent e) { selectFile(selectText); } } private class select2 implements ActionListener { public void actionPerformed(ActionEvent e) { selectFile(selectText3); } } private void selectFile(JTextField jt) { JFileChooser jfc = new JFileChooser(); jfc.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES); jfc.showDialog(new JLabel(), "选择"); File file = jfc.getSelectedFile(); if (file != null) { if (file.isDirectory()) { System.out.println("文件夹:" + file.getAbsolutePath()); jt.setText(file.getAbsolutePath()); } else if (file.isFile()) { System.out.println("文件:" + file.getAbsolutePath()); } System.out.println(jfc.getSelectedFile().getName()); } } //判断文件是否属于要求的文件类型 private boolean fileIsBelongTo(String[] fileTypes,String file) { for (String oneFile : fileTypes) { if(file.equals(oneFile)) { return true; } } return false; } }