crm_system/swparts/fusiancrm/service/common/pay/payflash/PayUtils.php

<?php
namespace common\pay\payflash;

class PayUtils
{


    /** 
     * @param array $data
     * @return string 
     */
    public static function makeSign($data, $key)
    {
        $merchantid      =      $data['merchantid'];
        $orderno         =      $data['orderno'];
        $orderamount     =      $data['orderamount'];
        $serverbackurl   =      $data['serverbackurl'];
        $callbackurl     =      $data['callbackurl'];
        $tokenkey        =      $key;                //密钥信息
        $sign = md5($merchantid.$orderno.$orderamount.$serverbackurl.$callbackurl.$tokenkey);
        return $sign;
    }


    /**
     * @param array $data
     * @param $key
     * @return bool|int
     */
    public static function verify($data, $key)
    {
        // 签名
        if (!isset($data['sign']) || trim($data['sign']) === '') {
            return false;
        }
        $orderno            = (string)$data['orderno'];
        $orderamount        = sprintf("%.2f",$data['orderamount']);
        $payamount          = sprintf("%.2f",$data['payamount']);
        $confirmpaytime     = (string)$data['confirmpaytime'];
        $safetycode         = $data['safetycode'];
        $tokenkey           = $key;
        $sign               = $data['sign'];
        
		file_put_contents('jiami.txt',$orderno."{$orderamount}"."{$payamount}".$confirmpaytime."{$safetycode}"."{$tokenkey}");
        $sing_new = md5($orderno."{$orderamount}"."{$payamount}".$confirmpaytime."{$safetycode}"."{$tokenkey}");  //自己加密的密钥
		file_put_contents('sing_new.txt',$sing_new);
        // 比较两次的签名是否一致
        if($sign == $sing_new){
            return true;
        }else{
            return false;
        }

		
    }



}