fileviewer.java

来自「共有164个java源程序」· Java 代码 · 共 28 行

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

/**
 这段程序模拟windows用记事本打开.txt文件一样，用来打开.java文件
 **/
public class FileViewer extends Frame implements ActionListener 
{
    String directory;  
    TextArea textarea; 
     
    public FileViewer() { this(null, null); 
}
public FileViewer(String filename) 
{ 
    this(null, filename); 
}
    
    
public FileViewer(String directory, String filename) 
{
    super();  
	addWindowListener(new WindowAdapter() {
		public void windowClosing(WindowEvent e) { dispose(); }
	    });

        // 创建一个区域显示文件内容