A simple file searcher

1、 Interface

As soon as you see this interface, the form is an empty layout , The interface is actually very simple, a text input box 、 Buttons and text entry fields

2、 function

Button monitoring , Click this button to list all the sub files under the path folder

3、 Specific code :

package FileSreach;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JTextField;

/**
 *  Interface 
 * @author Administrator
 *
 */
public class FileSreachFrame extends JFrame implements ActionListener{

	private static final long serialVersionUID = 1L;
	
	private JTextArea jta;
	private JTextField jtf;
	public static void main(String[] args){
		new FileSreachFrame().initSreachFrame();
	}
	private void initSreachFrame(){
		this.setSize(500,500);
		this.setTitle(" File searcher ");
		this.setLocationRelativeTo(null);
		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		this.setResizable(false);
		this.setLayout(null);
		
		jtf = new JTextField();
		jtf.setBounds(50,25,250,35);
		
		JButton button = new JButton(" Begin your search ");
		button.setBounds(350,25,100,35);
		button.addActionListener(this);
		
		jta = new JTextArea();
		JScrollPane jsp = new JScrollPane(jta);
		jsp.setBounds(50,125,400,300);
		
		this.add(jtf);
		this.add(button);
		this.add(jsp);
		this.setVisible(true);
	}
	@Override
	public void actionPerformed(ActionEvent e) {
		if(e.getActionCommand().equals(" Begin your search ")){
			FileSreachFunction sreach = new FileSreachFunction(jtf,jta);
//			jta.removeAll();
//			FileSreachFrame.this.repaint();
		}
	}
}

package FileSreach;

import java.io.File;

import javax.swing.JTextArea;
import javax.swing.JTextField;

/**
 *  Realization 
 * @author Administrator
 *
 */
public class FileSreachFunction {
	private JTextArea jta;
	public FileSreachFunction(JTextField jtf,JTextArea jta){
		this.jta = jta;
		this.initSreachFunction(jtf.getText());
	}
	private void initSreachFunction(String path){
		File file = new File(path);
		if(file.exists()&&file.length()!=0){
			if(file.isFile()){
				jta.append(file.getAbsolutePath()+"\r\n");
			}else{
				File[] files = file.listFiles();
				for (int i = 0; i < files.length; i++) {
					String absolute = files[i].getAbsolutePath();
					jta.append(absolute+"\r\n");
					this.initSreachFunction(absolute);
				}
			}
		}
	}
}