<?php

 namespace app\api\controller;

 use think\Controller;

 use think\Db;

 use OSS\OssClient;

 use OSS\Core\OssException;

 class UploadController extends Controller {

     /**

      * 上传图片到oss

      * @param string $info  base64图片

      *

      */

     public function upload_pic(){

         $imgData = input('info','');

         if($imgData){

             $img_len = strlen($imgData);

             $imgData = str_replace('\n','',$imgData);

             $imgData = str_replace('\r','',$imgData);

             $imgData = str_replace('\t','',$imgData);

             $imgData = str_replace(PHP_EOL,'',$imgData);

             $imgData = str_replace('\\','',$imgData);

             $imgData = str_replace(' ','+',$imgData);

             $host = config('public.host');

             $date = date('Y-m-d');

             $dir = "./public/user/$date";

             if (!file_exists($dir)){

                 mkdir ($dir,0777,true);

             }

             $img = base64_decode($imgData);

             $uniqid_name = md5(uniqid(rand()));

             $tmpImg = './public/user/'.$date.'/user_'.$uniqid_name.'.jpg';

             $tmpImg1 = '/public/user/'.$date.'/user_'.$uniqid_name.'.jpg';

             $a = file_put_contents($tmpImg,$img);//保存图片，返回的是字节数

             if($a){

                 $accessKeyId = config('oss.ossKeyId');

                 $accessKeySecret = config('oss.ossKeySecret');

                 // Endpoint以杭州为例，其它Region请按实际情况填写。

                 $endpoint = config('oss.endpoint');

                 // 存储空间名称

                 $bucket= config('oss.bucket');

                 // 文件名称

                 $object = 'user/'.$date.'/user_'.$uniqid_name.'.jpg';

                 // <yourLocalFile>由本地文件路径加文件名包括后缀组成，例如/users/local/myfile.txt

                 $filePath = './public/user/'.$date.'/user_'.$uniqid_name.'.jpg';

                 try{

                     $ossClient = new OssClient($accessKeyId, $accessKeySecret, $endpoint);

                     $ossClient->uploadFile($bucket, $object, $filePath);

                     unlink($filePath);

                 } catch(OssException $e) {

                     $data=array('code'=>config('code.error'),'msg'=>"上传失败");

                     return json($data);

                 }

                 $img_src = config('oss.host')."/".$object;

                 $data=array('code'=>config('code.success'),'msg'=>"上传成功",'data'=>$img_src);

                 return json($data);

             }else{

                 $data=array('code'=>config('code.error'),'msg'=>"上传失败");

                 return json($data);

             }

         }else{

             $data=array('code'=>config('code.error'),'msg'=>"上传图片不能为空");

             return json($data);

         }

     }

     /**

      * 删除OSS上的图片

      * @param string $info  OSS上完整的图片地址

      *

      */

     public function pic_del(){

         $info = input('pic_addr','');

         if(!empty($info)){

             $ex = config('oss.host').'/';

             $arr = explode($ex,$info);

             $accessKeyId = config('oss.ossKeyId');

             $accessKeySecret = config('oss.ossKeySecret');

             $endpoint = config('oss.endpoint');

             $bucket= config('oss.bucket');

             $object = $arr[1];

             try{

                 $ossClient = new OssClient($accessKeyId, $accessKeySecret, $endpoint);

                 $ossClient->deleteObject($bucket, $object);

             } catch(OssException $e) {

                 printf(__FUNCTION__ . ": initiateMultipartUpload, uploadPart - part#{$i} FAILED\n");

                 printf($e->getMessage() . "\n");

                 return;

             }

         }

         $data=array('code'=>config('code.success'),'msg'=>"删除成功");

         return json($data);

     }

 }