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92 lines
3.3 KiB
92 lines
3.3 KiB
<?php
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namespace app\service;
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use think\facade\Config;
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class UploadService extends BaseService
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{
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public function __construct() {
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parent::__construct();
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}
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/**
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* 上传文件
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* @param mixed $filename 上传文件
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* @param array|string[] $limitSuffix 限制后缀，默认允许所有后缀
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* @param int $size 大小限制默认10m；单位b
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* @return array
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*/
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public function uploadpic($filename, array $limitSuffix = ['*'], int $size = 0){
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$path = "/pic";
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if(is_string($filename)){
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$file = request()->file($filename);
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}else{
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$file = $filename;
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}
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if(empty($file)){
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throw new \think\Exception('没有上传的文件', 400);
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}
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$upload = config('upload');
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$size = $size ?: ((int)$upload['maxsize'] * 1024 * 1024);
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$fileInfo = [];
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$fileInfo['name'] = $file->getOriginalName();
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$fileInfo['type'] = $file->getOriginalMime();
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$fileInfo['tmp_name'] = $file->getPathname();
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$fileInfo['size'] = $file->getSize();
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if($fileInfo['size'] > $size){
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throw new \think\Exception('没有上传的文件', 400);
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}
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$suffix = strtolower(pathinfo($fileInfo['name'], PATHINFO_EXTENSION));
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$suffix = $suffix && preg_match('/^[a-zA-Z0-9]+$/', $suffix) ? $suffix : 'file';
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$mimetypeArr = explode(',', strtolower($upload['mimetype']));
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$typeArr = explode('/', $fileInfo['type']);
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if ($limitSuffix != ['*'] && !in_array($suffix, $limitSuffix)){
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throw new \think\Exception('该文件类型不可上传', 400);
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}
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//禁止上传PHP和HTML文件
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if (in_array($fileInfo['type'], ['text/x-php', 'text/html']) || in_array($suffix, ['php', 'html', 'htm'])) {
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throw new \think\Exception('该文件类型不可上传', 400);
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}
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//验证文件后缀
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if ($upload['mimetype'] !== '*' &&
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(!in_array($suffix, $mimetypeArr) ||
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(stripos($upload['mimetype'], $typeArr[1]) !== false &&
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(!in_array($typeArr[1], $mimetypeArr))))) {
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throw new \think\Exception('该文件类型不可上传', 400);
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}
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//验证是否为图片文件
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$imagewidth = $imageheight = 0;
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if (in_array($typeArr[1], explode('/', $fileInfo['type']))) {
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$imgInfo = getimagesize($fileInfo['tmp_name']);
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if (!$imgInfo || !isset($imgInfo[0]) || !isset($imgInfo[1])) {
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throw new \think\Exception('不是图片文件', 400);
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}
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$imagewidth = isset($imgInfo[0]) ? $imgInfo[0] : $imagewidth;
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$imageheight = isset($imgInfo[1]) ? $imgInfo[1] : $imageheight;
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}
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//上传图片
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$savename = false;
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try {
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$savename = upload_file($file, 'public', $path); //保存用；存数据库不需要拼接Config::get('app.app_host')
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$showname = trim(Config::get('app.cdnurl'), '/') . $savename; //展示用；
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} catch (\Exception $e) {
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$this->log->info($e->getMessage());
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throw new \think\Exception('上传失败', 400);
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}
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return ['img' => $savename, 'show_img' => $showname];
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}
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}
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