<?php
namespace app\controller;
use OSS\OssClient;
class Oss {
    private static $_instance;

    private function __construct() {
    }

    private function __clone() {
    }
    /**
     * 获取一个OssClient实例
     * @return null|OssClient
     */
    public static function getInstance() {
        if (!(self::$_instance instanceof OssClient)) {
            try {
                self::$_instance = new OssClient(env(‘oss.access_key_id‘), env(‘oss.access_key_secret‘), env(‘oss.endpoint‘), false);
            } catch (OssException $e) {
                printf(__FUNCTION__ . "creating OssClient instance: FAILED\n");
                printf($e->getMessage() . "\n");
                return null;
            }
        }
        return self::$_instance;
    }
    /**
     * 获取bucket
     * @return string
     */
    public static function getBucketName()
    {
        return env(‘oss.bucket‘);
    }
}

   use app\controller\Oss;

　　public function addShopImg(){
        $this->checkParams(‘shop_id‘);
        $file = $this->request->file(‘image‘);
        if ($file && ($file->getError() == ‘‘) && $file->checkImg() && $file->checkSize(5*1024*1024)) {
            $info = $file->move(APP_PATH . ‘../public/upload/shops/‘);
            //上传图片至阿里云oss
            $fileName = ‘biz_oss/upload/shops/‘ . $info->getFilename();
            $ossClient = Oss::getInstance();
            $bucket = Oss::getBucketName();
            $ossClient->uploadFile($bucket, $fileName, $info->getPathname());

            $data[‘shop_img‘] = ‘/upload/shops/‘.$info->getFilename();
            $data[‘shop_id‘] = $this->params[‘shop_id‘];
            $re = db(‘shopImg‘)->insert($data);
            if($re){
                Api::output();
            }else{
                Api::fail(2, ‘上传失败‘);
            }
        } else {
            Api::fail(1, ‘图片不合规‘);
        }
    }

location ^~ /biz_oss {
　　proxy_pass http://xxxxxx.oss-cn-shenzhen-internal.aliyuncs.com;
}

<div>
    <img src="{$oss_url}{$img.shop_img}"  />
</div>