124 lines
4.7 KiB
PHP
124 lines
4.7 KiB
PHP
<?php
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namespace app\common\lib;
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use think\facade\Config;
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use think\facade\Filesystem;
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use think\exception\ValidateException;
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use think\facade\Db;
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class Uploads
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{
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protected $fileName;
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protected $dirName;
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protected $fileSize;
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protected $fileType;
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/**
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* 根据后台设置的文件类型，获取允许上传文件的mime和后缀
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* @param string $fileType 上传文件的类型只能为：视频video，文件application，图片image,文本text
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* @param string $type 获取文件的mime还是文件后缀ext
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* @return array
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*/
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protected function getFileInfo(string $fileType,string $type)
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{
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$extType = Db::name('system')->where('id',1)->value('uptype');
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$extArr = explode(',',$extType);
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//查询系统配置中运行上传文件类型，组成新的数组
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$fileMime = [];
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foreach ($extArr as $k=>$v){
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$k = stristr($v,':',true);//返回字符:前字符串
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$fileMime[$k] = explode('|',substr($v,strrpos($v,":")+1)); //返回:后字符串转换为数组
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}
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//根据上传文件的类型得到允许的文件mime或后缀
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$arr = [];
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$fileTypeArr = explode('|',$fileType);
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foreach($fileTypeArr as $ft){
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if(array_key_exists($ft,$fileMime)){ //数组中是否存在上传的数组的键
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foreach($fileMime as $k=>$v){
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if($ft == $k){//文件类型和配置中类型相同时
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//获取文件mime
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if($type == 'mime'){
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//拼接字符串组成新mime数组
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foreach($v as $m){
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$arr[] = $ft. '/' . $m;
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}
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}
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//获取文件后缀
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if($type == 'ext'){
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$arr = array_merge($arr,$v); //合并数组
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}
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}
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}
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}
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}
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return $arr;
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}
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/**
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* 上传文件
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* 1.可以指定目录（若目录前有SYS_前缀，会上传到public/sys系统目录，不指定前缀，会上传到public/storage/用户ID）
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* 2.命名规则 可定义文件名类型a.jpg,b.php，或使用sha1,uniqid,md5函数
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*
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* @param string $fileName 文件名,form表单中的name
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* @param string $dirName 文件夹名,上传路径中的文件夹名称,sys_前缀存放在/public/sys系统目录
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* @param int $fileSize 文件大小，上传限制大小
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* @param string $fileType 文件类型，只能为：视频video，文件application，图片image,文本text
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* @param string $rule 文件命名规则，默认md5,uniqid,date,sha1，为空则取文件上传名称，或者自定义如a.jpg文件名
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* @return \think\response\Json
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*/
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public function put(string $fileName, string $dirName, int $fileSize, string $fileType, string $rule = null)
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{
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$file = request()->file($fileName);
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//halt($file->getOriginalName());
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//$type = $file->getMime();
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$fileExt = $this->getFileInfo($fileType,'ext');
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$fileMime = $this->getFileInfo($fileType,'mime');
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try {
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validate([$fileName=>['fileSize'=>$fileSize * 1024,'fileExt'=>$fileExt,'fileMime'=>$fileMime]])
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->check(['file'=>$file]);
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} catch (ValidateException $e) {
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return json(['status'=>-1,'msg'=>$e->getMessage()]);
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}
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// 解析存储位置
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$isSys = stripos($dirName, 'SYS_');
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if($isSys !== false) {
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$disk = 'sys';
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$dirName = substr($dirName,4);
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$uploadDir = Config::get('filesystem.disks.sys.url');
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} else {
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$disk = 'public';
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$dirName = session('user_id'). '/' .$dirName;
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$uploadDir = Config::get('filesystem.disks.public.url');
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}
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$rules = ['md5','date','sha1','uniqid'];
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// 解析是否自定义文件名
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if(!in_array($rule, $rules) && !is_null($rule)) {
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if(stripos($rule, '.') == false) {
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$rule = $file->getOriginalName();
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}
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$savename = \think\facade\Filesystem::disk($disk)->putFileAs($dirName, $file, $rule);
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} else {
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$savename = \think\facade\Filesystem::disk($disk)->putFile($dirName, $file, $rule);
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}
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if($savename){
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//$name = $file->hashName();
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$name_path =str_replace('\\',"/", $uploadDir . '/' . $savename);
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//$image = \think\Image::open("uploads/$name_path");
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//$image->thumb(168, 168)->save("uploads/$name_path");
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$res = ['status'=>0,'msg'=>'上传成功','url'=> $name_path, 'location'=>$name_path];
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}else{
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$res = ['status'=>-1,'msg'=>'上传错误'];
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}
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return json($res);
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}
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} |