php图片相册源码

// 检查文件大小
if ($_FILES['file']['size'] > 500000) {
    die("File size is too big!");
}

// 检查文件类型
$imageFileType = strtolower(pathinfo($_FILES["file"]["name"],PATHINFO_EXTENSION));
if($imageFileType != "jpg" && $imageFileType != "png" && $imageFileType != "jpeg"
&& $imageFileType != "gif" ) {
    die("Sorry, only JPG, JPEG, PNG & GIF files are allowed.");
}

// 移动上传的文件到指定目录
if (move_uploaded_file($_FILES["file"]["tmp_name"], $target_file)) {
    echo "The file ". htmlspecialchars( basename( $_FILES["file"]["name"])). " has been uploaded.";
} else {
    echo "Sorry, there was an error uploading your file.";
}

// 检查图片路径
$image_path = "uploads/" . $_GET['image'];
if (file_exists($image_path)) {
    $mime_type = mime_content_type($image_path);
    header('Content-Type: ' . $mime_type);
    readfile($image_path);
} else {
    echo "File not found.";
}