小程序服务商支付

$wechatserviceconfig = [
	'app_id' => '',//服务商的APPID
	'sub_appid' =>'' ,//服务商子APPID
	'mch_id' => '',//服务商的商户号
	'sub_mch_id' => '',//服务商的子商户号
	'key' => '',//服务商的秘钥
	'cert_path'=> VENDOR_PATH.'cert/apiclient_cert.pem',
  'key_path'=> VENDOR_PATH.'cert/apiclient_key.pem',
	'secret' => '',//服务商的子secret
	'notify_url' => ''
];
$this->wechatservice= Factory::payment($wechatserviceconfig);
$unify = $this->wechatservice->order->unify([
	'body' => '报修订单',
	'out_trade_no' => '',
	'total_fee' => $prices*100,
	'spbill_create_ip' => '', // 可选，如不传该参数，SDK 将会自动获取相应 IP 地址
	 // 支付结果通知网址，如果不设置则会使用配置里的默认地址
	'notify_url' => base_url() . 'api/Notify/payRepairNotify',
	'trade_type' => 'JSAPI', // 请对应换成你的支付方式对应的值类型
	'sub_openid' => $user['openid'],
]);
if($unify['result_code']=='SUCCESS'){
	$result=$this->wechatservice->jssdk->bridgeConfig($unify['prepay_id'], false);
	$this->success('提交成功', $result);
}else{
	$this->error($unify['err_code_des']);
}
/**
 * @desc 出入证支付回调
 */
public function payRenovationNotify(){
	$response = $this->wechatservice->handlePaidNotify(function ($result, $fail) {
		write_log($result, '../runtime/log/');
		$order_no = $result['out_trade_no'];
		if ($result['result_code'] === 'SUCCESS') {
			Db::startTrans();
			try {
				$renovation = Renovation::where(['rno' => $order_no])->find();
				//订单状态是未支付的才处理
				if (empty($renovation['pay_status'])) {
					$data = [
						'pay_status' => 1,
						'pay_time' => time(),
						'transaction_id' => $result['transaction_id'],
					];
					Renovation::where(['rno' => $order_no])->update($data);
				}
				Db::commit();
				return true;
			} catch (Exception $e) {
				Db::rollback();
				write_log($e, '../runtime/log/');
				//服务器处理出现异常需要返回给微信false，让他再次发起通知
				return $fail('服务器处理失败，请稍后再通知我');
			}
		} else if ($result['result_code'] === 'FAIL') {
			//支付失败也需要返回true，表示服务器已处理，不然微信会反复通知，没有意义
			return true;
		}
	});
	$response->send();
}

获取域名

if (!function_exists('base_url')) {
    /**
     * 获取当前域名及根路径
     * @return string
     */
    function base_url()
    {
        static $baseUrl = '';
        if (empty($baseUrl)) {
            $request = Request::instance();
            $subDir = str_replace('\\', '/', dirname($request->server('PHP_SELF')));
            $baseUrl = $request->scheme() . '://' . $request->host() . $subDir . ($subDir === '/' ? '' : '/');
        }
        return $baseUrl;
    }
}

打印日志

if (!function_exists('write_log')) {
    /**
     * 写入日志
     * @param string|array $values
     * @param string $dir
     * @return bool|int
     */
    function write_log($values, $dir){
        if (is_array($values))
            $values = print_r($values, true);
        // 日志内容
        $content = '['.date('Y-m-d H:i:s').']'.PHP_EOL.$values.PHP_EOL.PHP_EOL;
        try {
            // 文件路径
            $filePath = $dir.date('Ym').'/';
            // 路径不存在则创建
            !is_dir($filePath) && mkdir($filePath, 0755, true);
            // 写入文件
            return file_put_contents($filePath.date('Ymd').'.log', $content, FILE_APPEND);
        } catch (\Exception $e) {
            return false;
        }
    }
}

退款

/**
 * 在线支付原路退款
 */
public function orderRefund($ids = NULL){
	$refund = $this->model->get($ids);
	if(empty($refund) || $refund->refundStatus==2) $this->error("该退款订单不存在或已退款!");
	$order = \app\common\model\mall\order\Order::get($refund->order_id);
	if(in_array($order->status,["canceled"]) || $order->refundis==0) {
		$this->error("无效的退款订单!");
	}
	$this->model->transaction(function () use ($refund,$order) {
		if($order->realTotalMoney==$refund->backMoney){
			$refundResult=$this->wechatservice->refund
				->byTransactionId($order['tradeNo'],$order['orderNo'],$order['realTotalMoney']*100,
					$refund->backMoney*100);
			if(!empty($refundResult)&&$refundResult['result_code']=='SUCCESS'){
				//修改退款单信息
				$refund->refundTime = time();
				$refund->refundStatus = 2;
				$refund->refundTradeNo = $refundResult['refund_id'];
				$result=$refund->save();
				//发送一条用户信息
				if(!empty($result)){
					User::money($refund->backMoney,$order->user_id,
						'订单【'.$order->orderNo.'】退款¥'.$refund->backMoney."。");
					$this->success('退款成功');
				}
			}else{
				$this->success($refundResult['err_code_des']);
			}
		}else{
			$this->success('退款金额有误');
		}
	});
}