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先安装sdk

composer require alibabacloud/sdk

需要知道 AccessKeyID，AccessKeySecret

<?php/**
 * composer require alibabacloud/sdk
 * 获取阿里云相关的token
 */namespace Common\Service;use AlibabaCloud\Client\AlibabaCloud;use AlibabaCloud\Client\Exception\ClientException;use AlibabaCloud\Client\Exception\ServerException;// 处理图片上传class AliTokenService extends CommonService{    public function getToken()
    {        // 查询缓存中是否存在
        $key = "ali_access_token_caomall";        $ttl = $this->red->ttl($key);        if ($ttl == -2) { // 不存在
            /**
             * 第一步：设置一个全局客户端
             * 使用阿里云RAM账号的AccessKey ID和AccessKey Secret进行鉴权
             */
            AlibabaCloud::accessKeyClient(
                C('ALI.AccessKeyID'),
                C('ALI.AccessKeySecret')
            )
                ->regionId("cn-shanghai")
                ->asDefaultClient();            try {                $response = AlibabaCloud::nlsCloudMeta()
                    ->v20180518()
                    ->createToken()
                    ->request();                // print $response . "\n";
                $token = $response["Token"];                if ($token != NULL) {                    // print "Token 获取成功：\n";
                    // print_r($token);
                    $this->red->setex($key, $token['ExpireTime'] - 1000, $token['Id']);                    return $token['Id'];
                } else {                    return false;
                }
            } catch (ClientException $exception) {                // 获取错误消息
                return false;                // print_r($exception->getErrorMessage());
            } catch (ServerException $exception) {                // 获取错误消息
                return false;                // print_r($exception->getErrorMessage());
            }
        } else {            return $this->red->get($key);
        }
    }
}