1
所以我創建了一個可以將圖片上傳到頁面的響應式網站。 PHP腳本基本上調整了圖像的大小，並將一個拇指文件路徑存儲在數據庫中。原始圖像和拇指圖像也存儲在網站文件夾中。我正在使用GD庫。這是新的。無法從智能手機上傳照片？
無論如何，我只是在做一個從我的iphone上傳照片到網站的測試。它確實上傳圖像。但是它有兩個問題。
- 上傳照片需要太長的時間。
- 該照片在完成上傳後側向定位。如果照片是縱向照片，則會上傳爲橫向照片。奇怪的。
任何人都可以幫我解決這兩個問題嗎？
更新代碼
if (isset($_FILES['image'])) {
if (empty($_FILES['image']['name'])) {
?><div class="add-errors">Please choose an image!</div><?php
} else {
function getOrientedImage($imagePath){
$image = imagecreatefromstring(file_get_contents($imagePath));
$exif = exif_read_data($imagePath);
if(!empty($exif['Orientation'])) {
switch($exif['Orientation']) {
case 8:
$image = imagerotate($image,90,0);
break;
case 3:
$image = imagerotate($image,180,0);
break;
case 6:
$image = imagerotate($image,-90,0);
break;
}
}
return $image;
}
$name = $_FILES['image']['name'];
$temp = $_FILES['image']['tmp_name'];
$type = $_FILES['image']['type'];
$size = $_FILES['image']['size'];
$ext = strtolower(end(explode('.', $name)));
$size2 = getimagesize($temp);
$width = $size2[0];
$height = $size2[1];
$upload = md5(rand(0, 1000) . rand(0, 1000) . rand(0, 1000) . rand(0, 1000));
// Restrictions for uploading
$maxwidth = 6000;
$maxheight = 6000;
$allowed = array('image/jpeg', 'image/jpg', 'image/png', 'image/gif');
// Recognizing the extension
switch($type){
// Image/Jpeg
case 'image/jpeg':
$ext= '.jpeg';
break;
// Image/Jpg
case 'image/jpg':
$ext= '.jpg';
break;
// Image/png
case 'image/png':
$ext= '.png';
break;
// Image/gif
case 'image/gif':
$ext= '.gif';
break;
}
// upload variables
$path = $userDir . $upload . $ext;
$thumb_path = $userDir . 'thumb_' . $upload . $ext;
// check if extension is allowed.
if (in_array($type, $allowed)) {
// Checking if the resolution is FULLHD or under this resolution.
if ($width <= $maxwidth && $height <= $maxheight) {
if ($size <= 5242880) {
// check the shape of the image
if ($width == $height) {$shape = 1;}
if ($width > $height) {$shape = 2;}
if ($width < $height) {$shape = 2;}
//Adjusting the resize script on shape.
switch($shape) {
// Code to resize a square image.
case 1:
$newwidth = 690;
$newheight = 690;
break;
// Code to resize a tall image
case 2:
$newwidth = 690;
$ratio = $newwidth/$width;
$newheight = round($height * $ratio);
break;
}
// Resizing according to extension.
switch ($type) {
// Image/Jpeg
case 'image/jpeg';
$img = getOrientedImage($temp);
$thumb = imagecreatetruecolor($newwidth, $newheight);
imagecopyresized($thumb, $img, 0, 0, 0, 0, $newwidth, $newheight, $width, $height);
imagejpeg($thumb, $thumb_path);
break;
// Image/Jpg
case 'image/jpg';
$img = getOrientedImage($temp);
$thumb = imagecreatetruecolor($newwidth, $newheight);
imagecopyresized($thumb, $img, 0, 0, 0, 0, $newwidth, $newheight, $width, $height);
imagejpeg($thumb, $thumb_path);
break;
// Image/png
case 'image/png';
$img = getOrientedImage($temp);
$thumb = imagecreatetruecolor($newwidth, $newheight);
imagecopyresized($thumb, $img, 0, 0, 0, 0, $newwidth, $newheight, $width, $height);
imagepng($thumb, $thumb_path);
break;
// Image/gif
case 'image/gif';
$img = getOrientedImage($temp);
$thumb = imagecreatetruecolor($newwidth, $newheight);
imagecopyresized($thumb, $img, 0, 0, 0, 0, $newwidth, $newheight, $width, $height);
imagegif($thumb, $thumb_path);
break;
}
// Move the original file aswell.
move_uploaded_file($temp, $path);
} else {
?><div class="add-errors">Your image size is too big!</div><?php
}
} else {
?><div class="add-errors">Your image resolution exceeds the limit!</div><?php
}
} else {
?><div class="add-errors">Your have uploaded a forbidden extension!</div><?php
}
}
}
這可能已經超出了原始簡單問題的範圍。我建議把問題帶到論壇。 – SuperJer