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mier-php/application/api/wxapi/pay/WxPayDataBaseSignMd5.php
2025-08-11 10:22:05 +08:00

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<?php
namespace app\api\wxapi\pay;
use app\api\wxapi\pay\WxPayDataBase;
/**
*
* 只使用md5算法进行签名 不管配置的是什么签名方式都只支持md5签名方式
*
**/
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;
}
}