<?php
// +----------------------------------------------------------------------
// | 星数 [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2023~2024 http://xsframe.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: guiHai <786824455@qq.com>
// +----------------------------------------------------------------------

/**
 * Created by Date: 2019/4/11
 */

namespace xsframe\pay\Weixin\Base;



class WxPayDataBaseSignMd5 extends WxPayDataBase
{
    /**
     * 生成签名 - 重写该方法
     *
     * @param WxPayConfigInterface $config 配置对象
     * @param bool $needSignType           是否需要补signtype
     *
     * @return 签名，本函数不覆盖sign成员变量，如要设置签名需要调用SetSign方法赋值
     */
    public function MakeSign($config, $needSignType = false)
    {
        if ($needSignType) {
            $this->SetSignType($config->GetSignType());
        }
        //签名步骤一：按字典序排序参数
        ksort($this->values);
        $string = $this->ToUrlParams();
        //签名步骤二：在string后加入KEY
        $string = $string . "&key=" . $config->GetKey();
        //签名步骤三：MD5加密
        $string = md5($string);
        //签名步骤四：所有字符转为大写
        $result = strtoupper($string);
        return $result;
    }
}