showhelp.java

来自「一个很详细的航空售票系统开发的例子」· Java 代码 · 共 34 行

package com.tarena.abs.server;

import java.awt.*;
import java.io.*;
import javax.swing.*;

public class ShowHelp extends JDialog{
	private static final long serialVersionUID = 6565911534659721789L;
	private JTextArea jta;
	private JScrollPane jsp;
	public ShowHelp(JFrame frame){
		super(frame,"帮助文档：");
		jta=new JTextArea(30,40);
		try {
			BufferedReader in = new BufferedReader(new InputStreamReader(new FileInputStream("./help.txt")));
			String temp = null;
			while((temp = in.readLine()) != null){
				jta.append(temp+"\n");
			}
		} catch (IOException e) {
			e.printStackTrace();
		}
		jsp = new JScrollPane(jta);
		jta.setEditable(false);
		this.add(jsp,BorderLayout.CENTER);
		showMe();
	}
	private void showMe(){
		this.setSize(600,400);
		this.setVisible(true);
		this.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
	}
}