import java.awt.event.*;
import java.io.*;
import javax.swing.*;
class ButtonAction implements ActionListener{
 public void actionPerformed(ActionEvent e){
 	//下載功能處理
	if(e.getActionCommand()=="downloadButton"){
		String nameField="";
			File dir=new File("c:/");
			JFileChooser chooser=new JFileChooser(dir);
			chooser.setFileFilter(new AllFileFilter());
			int result = chooser.showSaveDialog(null);
				if (result == JFileChooser.APPROVE_OPTION) {
				  File file = chooser.getSelectedFile();
				  nameField=file.getAbsolutePath();
				} 
	}
	else if(e.getActionCommand()=="uploadButton"){
 	//處理上傳功能;	
	}
 }
}