dispgraph.java

显示图像和播放声音

import java.awt.*;
import java.applet.*;
public class DispGraph extends Applet
{
    int g_width,g_height;                            //图像的大小
    Image img;                                       //定义一个图像对象
    public void init()
    {                                          //装载图像并产生图像对象
        img=getImage(getDocumentBase(),"Images/fruit.jpg");
        g_width=Integer.parseInt(getParameter("g_width"));   //获得参数
        g_height=Integer.parseInt(getParameter("g_height"));
    }
    public void paint(Graphics g)
    {
        g.drawImage(img,0,0,g_width,g_height,this);  //绘制Image对象
        //play(getDocumentBase(),"Wav/Sound.wav");
        play(getDocumentBase(),"Wav/34.mid");//播放声音文件
        g.drawString("g_width="+g_width+"   g_height="+g_height,
                                                       20,g_height+20);
        g.drawString("getDocumentBase()="+getDocumentBase().toString(),
                                                       20,g_height+40);
    }
}