<?php
namespace Admin\Model;
use Think\Model\RelationModel;
class ShopOrderModel extends \Shop\Model\ShopOrderModel{
    //支付宝原路退款
    public function alipayRefund($payment){
        $detail=  json_decode($payment["detail"]);//这里detail字段，保存了当时的交易详情
        //
        Vendor('AlipaySdk.aop.AopClient');
        Vendor('AlipaySdk.aop.SignData');
        Vendor('AlipaySdk.aop.request.AlipayTradeRefundRequest');        
        $aop = new \AopClient();
        $config_load=load_config("./Application/Shop/Conf/config.php");//这里因为需要调用shop模块下的config配置文件，所以要用到load_config函数
        $config = $config_load["alipay"];     
        $aop->gatewayUrl = $config['gatewayUrl'];
        $aop->appId = $config['app_id'];
        $aop->rsaPrivateKey = $config['merchant_private_key'];
        $aop->alipayrsaPublicKey=$config['alipay_public_key'];
        $aop->apiVersion = '1.0';
        $aop->signType = 'RSA2';
        $aop->postCharset="UTF-8";
        $aop->format='json';
        $request = new \AlipayTradeRefundRequest ();
        $request->setBizContent(json_encode(array(
            "out_trade_no"=>$detail->out_trade_no,
            "trade_no"=>$detail->trade_no,
            "refund_amount"=>$detail->total_amount,
            "refund_reason"=>"正常退款",
        )));
        $result = $aop->execute ( $request); 
        $responseNode = str_replace(".", "_", $request->getApiMethodName()) . "_response";
        $resultCode = $result->$responseNode->code;
        if(!empty($resultCode)&&$resultCode == 10000){
            return true;
        }else {
            $this->error = $result->$responseNode->sub_msg;  
            return false;
        }
    }
}