标签:jquery php amazon-s3 blueimp imagick
我正在使用Blueimp/jQuery-File-Uploader和可用的Amazon S3插件,所有这些都很好但是我需要调整我的图像大小不要超过或低于640px的最短边.
我目前的代码是
global $s3;
if (isset($_REQUEST['_method']) && $_REQUEST['_method'] === 'DELETE') {
return "";
}
$upload = isset($_FILES['files']) ? $_FILES['files'] : null;
$info = array();
if ($upload && is_array($upload['tmp_name'])) {
foreach($upload['tmp_name'] as $index => $value) {
$fileTempName = $upload['tmp_name'][$index];
$file_name = (isset($_SERVER['HTTP_X_FILE_NAME']) ? $_SERVER['HTTP_X_FILE_NAME'] : $upload['name'][$index]);
$extension=end(explode(".", $file_name));
$rand = rand(1,100000000);
$sha1 = sha1($rand);
$md5 = md5($sha1);
$filename = substr($md5, 0, 8);
$fileName=$filename.".".$extension;
$fileName = $prefix.str_replace(" ", "_", $fileName);
$response = $s3->create_object($bucket, $fileName, array('fileUpload' => $fileTempName, 'acl' => AmazonS3::ACL_PUBLIC, 'meta' => array('keywords' => 'example, test'),));
if ($response->isOK()) {
$info[] = getFileInfo($bucket, $fileName);
} else {
// echo "<strong>Something went wrong while uploading your file... sorry.</strong>";
}
}
我已经写了这篇PHP,但我不确定如何让两者一起工作.
$image = new Imagick('test2.jpg');
$imageprops = $image->getImageGeometry();
$w=$imageprops['width'];
$h=$imageprops['height'];
$edge = min($w,$h);
$ratio = $edge / 640;
$tWidth = ceil($w / $ratio);
$tHeight = ceil($h / $ratio);
if ($imageprops['width'] <= 640 && $imageprops['height'] <= 640) {
// don't upscale
} else {
$image->resizeImage($tWidth,$tHeight,imagick::FILTER_LANCZOS, 0.9, true);
}
$image->writeImage("test2-resized.jpg");
任何帮助都会感激不尽,谢谢
解决方法:
这是基于OP消息中的所有代码都是正确的假设,并且只是根据请求重新安排它.
更新:四个upvotes(到目前为止)似乎表明OP不仅对代码是正确的,而且对问题的严重程度也是正确的.我做OSS是理所当然的,所以无论如何,请明确告诉我这是否对您有任何兴趣所以我们可以在github上改进这一点(任何行动都很好 – 提出问题,提出答案,发布评论或其任何组合).
function resize($imgName, $srcName)
{
$image = new Imagick($imgName);
$imageprops = $image->getImageGeometry();
$w=$imageprops['width'];
$h=$imageprops['height'];
$edge = min($w,$h);
$ratio = $edge / 640;
$tWidth = ceil($w / $ratio);
$tHeight = ceil($h / $ratio);
if ($imageprops['width'] <= 640 && $imageprops['height'] <= 640) {
return $imgName;
} else {
$image->resizeImage($tWidth,$tHeight,imagick::FILTER_LANCZOS, 0.9, true);
}
$extension=end(explode(".", $srcName));
// Change "/tmp" if you're running this on Windows
$tmpName=tempnam("/tmp", "resizer_").".".$extension;
$image->writeImage($tmpName);
return $tmpName
}
global $s3;
if (isset($_REQUEST['_method']) && $_REQUEST['_method'] === 'DELETE') {
return "";
}
$upload = isset($_FILES['files']) ? $_FILES['files'] : null;
$info = array();
if ($upload && is_array($upload['tmp_name'])) {
foreach($upload['tmp_name'] as $index => $value) {
$file_name = (isset($_SERVER['HTTP_X_FILE_NAME']) ? $_SERVER['HTTP_X_FILE_NAME'] : $upload['name'][$index]);
$fileTempName = resize($upload['tmp_name'][$index], $file_name);
$extension=end(explode(".", $file_name));
$rand = rand(1,100000000);
$sha1 = sha1($rand);
$md5 = md5($sha1);
$filename = substr($md5, 0, 8);
$fileName=$filename.".".$extension;
$fileName = $prefix.str_replace(" ", "_", $fileName);
$response = $s3->create_object($bucket, $fileName, array('fileUpload' => $fileTempName, 'acl' => AmazonS3::ACL_PUBLIC, 'meta' => array('keywords' => 'example, test'),));
if ($response->isOK()) {
$info[] = getFileInfo($bucket, $fileName);
} else {
// `echo "<strong>Something went wrong while uploading your file... sorry.</strong>";`
}
unlink($fileTempName);
}
标签:jquery,php,amazon-s3,blueimp,imagick 来源: https://codeday.me/bug/20190620/1247182.html
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