filedialogexample.java

来自「清华大学辛运帏java程序设计第二版源代码」· Java 代码 · 共 38 行

import java.awt.*;
import java.awt.event.*;

public class FileDialogExample
		implements ActionListener{
	Frame f;
	Button b;
	TextArea ta;
	FileDialog fd;

	static public void main(String args[]) {
		FileDialogExample fde = new FileDialogExample();
		fde.go();
}

public void go() {
f = new Frame("FileDialog Example");
b = new Button("Show FileDialog");
b.addActionListener(this);
f.add("South",b);

ta = new TextArea();
f.add("Center",ta);

fd = new FileDialog(f,"FileDialog");

f.setSize(350,150);
f.setVisible(true);
}

public void actionPerformed(ActionEvent e) {
fd.setVisible(true);
ta.setText("Directory :"+fd.getDirectory());
ta.append("\nFilename :"+fd.getFile());
}

}