根据文件夹内的图片生成 sprite合成图$srcdir='./image/';$prefix="pic11_";$dst="image";$imagedir=scandir($srcdir);array_shift($imagedir);array_shift($imagedir);$width=0;$height=0;foreach ($imagedir as $key => $value) {$picinfo=getimagesize($srcdir.$value);$width=$picinfo[0]+$width;if ($height $height=$picinfo[1];}}$image=imagecreatetruecolor($width,$height);imagesavealpha($image, true);$color=imagecolorallocatealpha($image,0,0,0,127) ;imagefill($image, 0, 0, $color);$width=0;$height=0;$css="";foreach ($imagedir as $key => $value) {$picinfo=getimagesize($srcdir.$value);$im=imagecreatefrompng($srcdir.$value); //创建imageimagecopymerge($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);?>复制代码
php 创建sprite
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