package?com.yourcompany.struts.action;

import?java.applet.applet;
import?java.awt.Button;
import?java.awt.Color;
import?java.awt.Graphics;
import?java.awt.Image;
import?java.awt.Label;
import?java.awt.TextField;
import?java.awt.Toolkit;
import?java.awt.event.ActionEvent;
import?java.awt.event.ActionListener;
import?java.net.MalformedURLException;
import?java.net.URL;

import?javax.swing.JOptionPane;

public?class?MyActLit?extends?applet?implements?ActionListener?{
	Toolkit?tool?=?getToolkit（）;
	Image?image;
	Button?bu1;
	Button?bu2;
	Button?bu3;
	Button?bu4;
	TextField?text;
	TextField?text1;
	int?x1?=?0;
	int?y1?=?0;
	int?x2?=?600;
	int?width?=?400;
	int?heigh?=?20643;
	int?speed?=?1;
	int?speed1?=?1000;
	int?x3?=?1050;
	int?y3?=?10;
	boolean?sd?=?false;
	Thread?th;
	//String?tupian[]?=?new?String[5];?初始5張連續的圖片的絕對路徑

	public?void?init（）?{
		image?=?tool.getImage（“E://1.jpg“）;
		bu1?=?new?Button（“向下“）;
		bu2?=?new?Button（“向上“）;
		bu3?=?new?Button（“確認自動滾動速度“）;
		bu4?=?new?Button（“確認手動滾動速度“）;
		text?=?new?TextField（“1“）;
		text1?=?new?TextField（“1000“）;
		this.add（bu1）;
		this.add（bu2）;
		this.add（text）;
		this.add（bu3）;
		this.add（text1）;
		this.add（bu4）;
		bu1.addActionListener（this）;
		bu2.addActionListener（this）;
		bu3.addActionListener（this）;
		bu4.addActionListener（this）;
		th?=?new?dd（）;
		th.start（）;
	}

	@Override
	public?void?paint（Graphics?g）?{
		//?TODO?Auto-generated?method?stub
		g.setColor（Color.black）;
		g.drawImage（image?10?10?450?910?x1?y1?x2?y1?+?900?this）;
		g.drawImage（image?500?10?550?910?0?0?width?heigh?this）;
		g.setColor（Color.red）;
		g.drawRect（495?y3?59?40）;
	}

	/*
	?*?可以在下面修改，制作動畫
	?*?
	?*?
	?*?public?void?paint（Graphics?g）?{?//?TODO?Auto-generated?method?stub
	?*?畫出圖片真實的大小，自己設置大小吧
	?*?g.drawImage（image?10?10?450?910?0?0?x2?y1?+?900?this）;?}
	?*/

	public?boolean?validatelenth（）?{
		boolean?s?=?true;
		if?（y1?+?1000?>?heigh?||?y1?			s?=?false;
		}
		return?s;
	}

	public?void?validateSpeed（）?{

	}

	public?void?actionPerformed（ActionEvent?ac）?{
		//?TODO?Auto-generated?method?stub
		Button?bnt?=?（Button）?ac.getSource（）;
		try?{
			if?（bnt?==?bu1）?{
				y1?+=?speed1;

			}?else?if?（bnt?==?bu2）?{
				y1?-=?speed1;
			}?else?if?（bnt?==?bu3）?{
				speed?=?Integer.valueOf（text.getText（））;
			}?else?if?（bnt?==?bu4）?{
				speed1?=?Integer.valueOf（text1.getText（））;
			}
		}?catch?（Exception?ex）?{
			JOptionPane.showMessageDialog（null?“輸入的為非數字，確認后再點“?“錯誤“
					JOptionPane.ERROR_MESSAGE）;
		}
		if?（!validatelenth（））
			return;
		y3?=?（900?*?（y1）?/?（heigh?-?900））;
		repaint（）;
	}

	class?dd?extends?Thread?{

		//?TODO?Auto-generated?method?stub
		public?void?run（）?{
			while?（1?>?0）?{
				if?（sd）?{
					y1?-=?speed;
				}?else?{
					y1?+=?speed;
				}
				y3?=?（900?*?（y1）?/?（heigh?-?900））;
				if?（!validatelenth（））?{
					if?（!sd）?{
						sd?=?true;
					}?else?

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????3698??2010-06-29?10:03??MyActLit.java

?????文件?????248382??2010-06-28?19:34??1.jpg

-----------?---------??----------?-----??----

???????????????252080????????????????????2