src/Common/Ali/AliBaseStrategy.php
protected function retData(array $data)
    {
        $sign = $data['sign'];
        $data = ArrayUtil::removeKeys($data, ['sign']);

        $data = ArrayUtil::arraySort($data);

        // 支付宝新版本  需要转码
        foreach ($data as &$value) {
            $value = StrUtil::characet($value, $this->config->charset);
        }

        $data['sign'] = $sign;// sign  需要放在末尾

        return $data;
    }
protected function retData(array $data)
    {
        $sign = $data['sign'];
        $data = ArrayUtil::removeKeys($data, ['sign']);

        $data = ArrayUtil::arraySort($data);

        // 支付宝新版本  需要转码
        foreach ($data as &$value) {
            $value = StrUtil::characet($value, $this->config->charset);
        }

        $data['sign'] = $sign;// sign  需要放在末尾

        return $data;
    }
处理支付宝的返回值并返回给客户端
@param array $data
@return string|array
@author helei