源码如下:
import java.awt.*;
import java.applet.*;
/*
<applet code="Animate" width=400 height=300>
</applet>
*/
public class Animate extends Applet implements Runnable {
int count, lastcount;
Image picture[];
Thread timer; public void init() {
lastcount = 5; count = 0;
picture = new Image[5];
MediaTracker tracker = new MediaTracker(this);
for (int a = 0; a < lastcount; a++) {
picture[a] = getImage (
getCodeBase(), new Integer(a+1).toString()+".jpg");
tracker.addImage(picture[a], 0);
}
tracker.checkAll(true);
} public void start() {
if (timer == null) {
timer = new Thread(this);
timer.start();
}
} public void paint(Graphics g){
g.drawImage(picture[count++],0,0,null);
if(count==lastcount)
count=0;
}
public void run(){
while(isActive()){
try{
repaint();
Thread.sleep(1000);
}catch(Exception e){}
}
timer=null;
}
} 问题是paint()中if(count==lastcount)和count=0在同一行,就能显示5副图片,
放在下一行就只有一副,最大最小化窗口时,图片可以跟更新.请大家看看,小弟
我刚学java,如果问的幼稚的话,请不要笑话。
import java.awt.*;
import java.applet.*;
/*
<applet code="Animate" width=400 height=300>
</applet>
*/
public class Animate extends Applet implements Runnable {
int count, lastcount;
Image picture[];
Thread timer; public void init() {
lastcount = 5; count = 0;
picture = new Image[5];
MediaTracker tracker = new MediaTracker(this);
for (int a = 0; a < lastcount; a++) {
picture[a] = getImage (
getCodeBase(), new Integer(a+1).toString()+".jpg");
tracker.addImage(picture[a], 0);
}
tracker.checkAll(true);
} public void start() {
if (timer == null) {
timer = new Thread(this);
timer.start();
}
} public void paint(Graphics g){
g.drawImage(picture[count++],0,0,null);
if(count==lastcount)
count=0;
}
public void run(){
while(isActive()){
try{
repaint();
Thread.sleep(1000);
}catch(Exception e){}
}
timer=null;
}
} 问题是paint()中if(count==lastcount)和count=0在同一行,就能显示5副图片,
放在下一行就只有一副,最大最小化窗口时,图片可以跟更新.请大家看看,小弟
我刚学java,如果问的幼稚的话,请不要笑话。
{
count=0;
}其实是一样的, 不明白你的意思
不过你点小程序查看器的'Applet'
重新启动,就可以了把count = 0;
放下来直接运行良好
count=0; 只有这样的情况,才能只有一幅
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