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gd-jpeg: JPEG library reports unrecoverable error 解决办法
Warning: imagecreatefromjpeg() [function.imagecreatefromjpeg]: gd-jpeg: JPEG library reports unrecoverable error: in C:\AppServ\www\mercPhoto.php on line 90
Warning: imagecreatefromjpeg() [function.imagecreatefromjpeg]: ‘comp_logo/200803171023127332.jpg‘ is not a valid JPEG file in
Warning: imagecopyresampled(): supplied argument is not a valid Image resource in C:\AppServ\www\mercPhoto.php on line 100
解决见代码。
/** * 等比例压缩图片 * @param String $src_imagename 源文件名 比如 “source.jpg” * @param int $maxwidth 压缩后最大宽度 * @param int $maxheight 压缩后最大高度 * @param String $savename 保存的文件名 “d:save” * @param String $filetype 保存文件的格式 比如 ”.jpg“ * @version 1.0 */ function resizeImage($src_imagename,$maxwidth,$maxheight,$savename,$filetype) { $typeArr=explode(".",$filetype); $type=$typeArr[1]; switch($type) { case "png": $im=imagecreatefrompng($src_imagename); break; case "jpeg": $im=imagecreatefromjpeg($src_imagename); break; case "gif": $im=imagecreatefromgif($src_imagename); break; } $current_width = imagesx($im); $current_height = imagesy($im); if(($maxwidth && $current_width > $maxwidth) || ($maxheight && $current_height > $maxheight)) { if($maxwidth && $current_width>$maxwidth) { $widthratio = $maxwidth/$current_width; $resizewidth_tag = true; } if($maxheight && $current_height>$maxheight) { $heightratio = $maxheight/$current_height; $resizeheight_tag = true; } if($resizewidth_tag && $resizeheight_tag) { if($widthratio<$heightratio) $ratio = $widthratio; else $ratio = $heightratio; } if($resizewidth_tag && !$resizeheight_tag) $ratio = $widthratio; if($resizeheight_tag && !$resizewidth_tag) $ratio = $heightratio; $newwidth = $current_width * $ratio; $newheight = $current_height * $ratio; if(function_exists("imagecopyresampled")) { $newim = imagecreatetruecolor($newwidth,$newheight); imagecopyresampled($newim,$im,0,0,0,0,$newwidth,$newheight,$current_width,$current_height); } else { $newim = imagecreate($newwidth,$newheight); imagecopyresized($newim,$im,0,0,0,0,$newwidth,$newheight,$current_width,$current_height); } $savename = $savename.$filetype; imagejpeg($newim,$savename); imagedestroy($newim); } else { $savename = $savename.$filetype; imagejpeg($im,$savename); } die; }
gd-jpeg: JPEG library reports unrecoverable error 解决办法
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