217 lines
7.3 KiB
PHP
217 lines
7.3 KiB
PHP
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<?php
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namespace core\upload;
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use core\exception\UploadFileException;
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use Exception;
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use Grafika\Color;
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use Grafika\Grafika;
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use Grafika\Position;
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/**
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* 文件管理驱动类
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*/
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class Local extends BaseUpload
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{
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//位置
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private $position = array(
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'top-left' => 'top-left',
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'top-center' => 'top-center',
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'top-right' => 'top-right',
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'center-left' => 'center-left',
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'center' => 'center',
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'center-right' => 'center-right',
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'bottom-left' => 'bottom-left',
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'bottom-center' => 'bottom-center',
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'bottom-right' => 'bottom-right',
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);
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protected function initialize(array $config = [])
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{
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parent::initialize($config);
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}
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public function upload(string $dir)
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{
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$this->validate();
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mkdirs_or_notexist($dir, 0777);
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$this->file->move($dir, $this->file_name);
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//错误一般是已经被抛出了
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return true;
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}
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/**
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* 远程获取图片
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* @param string $url
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* @param string|null $key
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* @return true
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*/
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public function fetch(string $url, ?string $key)
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{
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try {
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mkdirs_or_notexist($key, 0777);
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$content = @file_get_contents($url);
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if (!empty($content)) {
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file_put_contents($key, $content);
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// $fp = fopen($key, "w");
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// fwrite($fp, $content);
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// fclose($fp);
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} else {
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throw new UploadFileException(203006);
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}
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return true;
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} catch ( Exception $e ) {
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throw new UploadFileException($e->getMessage());
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}
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}
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/**
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* base64转图片
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* @param string $content
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* @param string|null $key
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* @return true
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*/
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public function base64(string $content, ?string $key = null)
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{
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mkdirs_or_notexist($key);
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file_put_contents(url_to_path($key), base64_decode($content));
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return true;
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}
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/**
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* 删除本地附件
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* @param string $file_name
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* @return bool
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*/
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public function delete(string $file_name)
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{
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$file_path = url_to_path($file_name);
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if (file_exists($file_path)) {
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$result = unlink($file_path);
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// throw new UploadFileException(100013);
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}else{
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$result = true;
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}
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//顺便删除相关的缩略图
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$dirname = dirname($file_name);
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$file_list = [];
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search_dir($dirname, $file_list);
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if(!empty($file_list)){
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$file_arr = explode('/', $file_name);
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$only_file_name = end($file_arr);
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foreach($file_list as $v){
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if(str_contains($v, $only_file_name) && file_exists($v)){
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unlink($v);
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}
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}
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}
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return $result;
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}
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/**
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* 缩略图
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* @param $file_path
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* @param $thumb_type
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* @return array
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* @throws Exception
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*/
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public function thumb($file_path, $thumb_type)
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{
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//todo 判断缩略图是否存在
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$thumb_config = config('upload.thumb.thumb_type');
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// ……
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//获取文件原名 获取
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$file_arr = explode('/', $file_path);
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$file_name = end($file_arr);
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$thumb_list = [];
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//获取文件后缀
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foreach ($thumb_config as $k => $v) {
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if ($thumb_type == 'all' || $thumb_type == $k || (is_array($thumb_type) && in_array($k, $thumb_type))) {
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$new_width = $v['width'];
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$new_height = $v['height'];
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$new_thumb_path = str_replace($file_name, $new_width . 'x' . $new_height . '_' . $file_name, $file_path);
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if (!file_exists($new_thumb_path)) {
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$editor = Grafika::createEditor();
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$editor->open($image, $file_path);
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$editor->resizeFit($image, $new_width, $new_height);
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//新缩略图文件名称
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$editor->save($image, $new_thumb_path, null, null, false, 0777);
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}
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$thumb_list[$k] = $new_thumb_path;
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}
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}
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return $thumb_list;
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}
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/**
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* 图片水印
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* @param $file_path
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* @return mixed
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* @throws Exception
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*/
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public function water($file_path)
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{
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$water_config = [];
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if (!empty($water_config)) {
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$status = $water_config['status'];//是否启用
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if ($status) {
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$editor = Grafika::createEditor();
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$editor->open($image, $file_path);
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if ($water_config['type'] == 'image') {
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$water_image = $water_config['image'];
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if (!empty($water_image)) {
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//判断水印图片是否是本地图片
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if (check_file_is_remote($water_image)) {
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$file_arr = explode('.', $water_image);
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$ext_name = end($file_arr);
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$name = $this->createFileName($water_image, $ext_name);
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$watermark_image = 'upload/water/' . $name;
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$this->fetch($water_image, $watermark_image);
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}
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if (file_exists($water_image)) {
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}
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$editor->open($image1, $water_config['image']);
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$editor->blend($image, $image1, 'normal', $water_config['opacity'], $this->position[$water_config['position']], $water_config['offset_x'], $water_config['offset_y']);
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}
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} else {
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if ($water_config['text']) {
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$position = $this->position[$water_config['position']];
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$offset_x = $water_config['offset_x'];//水平偏移值
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$offset_y = $water_config['offset_y'];//垂直偏移值
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$width = $image->getWidth();
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$height = $image->getHeight();
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//获取文字信息
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$info = imagettfbbox($water_config['size'], $water_config['angle'], $water_config['font'], $water_config['text']);
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$minx = min($info[0], $info[2], $info[4], $info[6]);
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$maxx = max($info[0], $info[2], $info[4], $info[6]);
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$miny = min($info[1], $info[3], $info[5], $info[7]);
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$maxy = max($info[1], $info[3], $info[5], $info[7]);
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/* 计算文字初始坐标和尺寸 */
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$x = $minx;
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$y = abs($miny);
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$w = $maxx - $minx;
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$h = $maxy - $miny;
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//转化坐标
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$position = new Position($position, $offset_x, $offset_y);
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// Position is for $image2. $image1 is canvas.
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list($offset_x, $offset_y) = $position->getXY($width, $height, $w, $h);
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$editor->text($image, $water_config['text'], $water_config['size'], $offset_x, $offset_y, new Color($water_config['color']), $water_config['font'], $water_config['angle']);
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}
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$editor->save($image, $file_path);
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}
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}
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return $file_path;
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}
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}
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}
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