php创建sprite

            [U]复制代码[/U] 代码如下:
$value) {
$picinfo=getimagesize($srcdir.$value);
$width=$picinfo[0]+$width;
if ($height $value) {
$picinfo=getimagesize($srcdir.$value);
$im=imagecreatefrompng($srcdir.$value);       //创建image
imagecopymerge($image, $im, $width, 0, 0, 0, $picinfo[0], $picinfo[1],100);
$picname=pathinfo($srcdir.$value);
$css=".".$prefix.$picname['filename']."{height:".$picinfo[0]."px;width:".$picinfo[1]."px;background-position: -".$width."px 0px;}".$css;
$width=$width+$picinfo[0];
imagedestroy($im);             //销毁image
}
$css=$css."[class*=".$prefix."]{background-image:url('image.png');}}";
$css=$css.".".$prefix."{background-image:url('image.png');}";  //兼容ie 系列
file_put_contents("./".$dst.'.css',$css);
imagepng($image,"./".$dst.'.png');
imagedestroy($image);
?>