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<?php
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namespace App\Http\Controllers;
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use App\Enums\Common\Code;
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use App\Models\Image as ImageModel;
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use Illuminate\Http\Exceptions\HttpResponseException;
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use Illuminate\Http\JsonResponse;
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use Illuminate\Http\Request;
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use Illuminate\Support\Facades\DB;
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use Illuminate\Support\Facades\Storage;
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use Intervention\Image\Facades\Image;
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class ImageLogic
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{
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public $path = '';
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public $request = '';
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public function __construct(Request $request)
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{
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$this->request = $request;
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$this->path = config('filesystems.disks')['upload']['root'].config('upload');
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}
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/**
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* 图片上传
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*/
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public function upload() {
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$this->request->validate([
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'image'=>['required'],
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],[
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'image.required'=>'图片必须填写',
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]);
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$files = $this->request->file('image');
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if (empty($files)) {
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$this->response('没有上传的文件!', 400);
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}
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$type = $this->request->post('type', 'single');
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if ($type == 'multi') {
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return $this->multi($files);
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} else {
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return $this->single($files);
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}
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}
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/**
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* @name :上传图片
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* @return void
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* @author :liyuhang
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* @method
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*/
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public function single($files){
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$hash = hash_file('md5', $files->getPathname());
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$url = $this->path;
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$filename = date('ymdHis').rand(10000,99999);
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$res = $this->request->file('image')->move($url,$filename);
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if ($res === false) {
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return $this->response($files->getError(), Code::USER_ERROR);
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}
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$imageModel = new ImageModel();
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$data = [
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'path' => $url.$filename,
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'created_at' => date('Y-m-d H:i:s',time()),
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'size' => $res->getSize(),
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'hash' => $hash.$filename,
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'type'=>$files->getClientOriginalExtension(),
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];
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$rs = $imageModel->add($data);
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if ($rs === false) {
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return $this->response('添加失败', Code::USER_ERROR);
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}
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return $hash.$filename;
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}
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/**
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* @name :(删除资源及对应表数据)del
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* @author :lyh
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* @method :post
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* @time :2023/5/4 14:57
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*/
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public function del($hash){
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DB::beginTransaction();
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$imageModel = new ImageModel();
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try {
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if(is_array($hash)){
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foreach ($hash as $k => $v){
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$this->del($v);
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}
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}else{
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$info = $imageModel->read(['hash'=>$hash]);
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if($info !== false){
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shell_exec('sudo rm -rf '.$info['path']. ' '.$this->path . $info['hash'] .'*');
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}
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}
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$imageModel->del(['hash'=>['in',$hash]]);
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DB::commit();
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}catch (\Exception $e){
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DB::rollBack();
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$this->response('error',Code::USER_ERROR);
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}
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}
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/**
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* 生成缩略图缓存
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* @param type $info
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* @param type $w
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* @param type $h
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* @return string
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*/
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private function cacheImage($info, $w, $h) {
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$path = $info['path'];
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$filename = $this->path . $info['hash'] . $w . '_' . $h;
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Image::make($path)->resize($w, $h)->save($filename);
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return $filename;
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}
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/**
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* 多图片上传
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* @param type $files file对象集合
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* @return type
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*/
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private function multi($files) {
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if (!is_array($files)) {
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$files = [$files];
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}
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$save_data = [];
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$data = [];
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foreach ($files as $file) {
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$hash = hash_file('md5', $file->getPathname());
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$url = $this->path;
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$filename = date('ymdHis').rand(10000,99999);
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$res = $file->move($url,$filename);
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if ($res === false) {
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return $this->response($file->getError(), Code::USER_ERROR);
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}
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$save_data[] = [
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'path' => $url.$filename,
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'created_at' => date('Y-m-d H:i:s',time()),
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'size' => $res->getSize(),
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'hash' => $hash.$filename,
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'type'=>$files->getClientOriginalExtension(),
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];
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$data[] = $hash.$filename;
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}
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$imageModel = new ImageModel();
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$imageModel->insert($save_data);
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return $data;
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}
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//下载
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public function download($filename){
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$path = Storage::path($filename);
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return response()->download($path,time().rand(1,100000));
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}
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/**
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* @name 统一返回参数
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* @return JsonResponse
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* @author :liyuhang
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* @method
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*/
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public function response($msg = null,string $code = Code::SUCCESS,$data = [],$result_code = 200,$type = 'application/json'): JsonResponse
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{
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$code = Code::fromValue($code);
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$result = [
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'msg' => $msg == ' ' ? $code->description : $msg,
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'code' => $code->value,
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'data' => $data,
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];
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$this->header['Content-Type'] = $type;
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$response = response($result,$result_code,$this->header);
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throw new HttpResponseException($response);
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}
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} |
