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

<?php
namespace common\pay\shanfutong;

class PayUtils
{


    /** 
     * @param array $data
     * @return string 
     */
    public static function makeSign($data, $key)
    {
        $merchantid      =      $data['uid'];
        $price           =      sprintf("%.2f",$data['price']);
        $paytype         =      $data['paytype'];
        $notify_url      =      $data['notify_url'];
        $return_url      =      $data['return_url'];
        $user_order_no   =      $data['user_order_no'];       
        $sign = md5("{$merchantid}"."{$price}"."{$paytype}"."{$notify_url}"."{$return_url}"."{$user_order_no}"."{$key}");
        return strtolower($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;
        }
        $user_order_no      = $data['user_order_no'];                   //订单号码(商户传递过去的)
        $orderno            = $data['orderno'];                         //平台生成的订单
        $tradeno            = $data['tradeno'];                         //支付的流水号
        $price              = sprintf("%.2f",$data['price']);           //订单金额          (这里保留两位小数)
        $realprice          = sprintf("%.2f",$data['realprice']);       //真实的金额        (这里保留两位小数)
        $tokenkey           = $key;                                     //token
        $sign               = $data['sign'];
        
        $sing_new = md5("{$user_order_no}"."{$orderno}"."{$tradeno}"."{$price}"."{$realprice}"."{$tokenkey}");  //自己加密的密钥

        $sing_new = strtolower($sing_new);   //转化为小写
        // 比较两次的签名是否一致
        if($sign == $sing_new){
            return true;
        }else{
            return false;
        }

		
    }



}