infantServiceApi/app/api/controller/v1/Pay.php

<?php
declare (strict_types=1);
namespace app\api\controller\v1;

use app\Request;
use app\BaseController;
use app\model\api\PayTrade;
use library\services\UtilService;
use library\utils\weixinPay as wxpayApi;
use app\lib\OrderLib;
use think\Exception;

class Pay extends BaseController{
    /**
     * 微信支付异步反馈
     * @param Request $request
     * @return boolean
     */
    public function wxpayNotify(Request $request){
        $post = UtilService::getMore([
            ['id', ''],
            ['create_time', ''],
            ['event_type',''],
            ['resource_type', ''],
            ['resource',[]],
            ['summary', ''],
        ], $request);
        if(empty($post["event_type"]) || $post["event_type"] != "TRANSACTION.SUCCESS"){
            return false;
        }
        if(empty($post["resource_type"]) || $post["resource_type"]!="encrypt-resource"){
            return false;
        }
        if(empty($post["resource"])){
            return false;
        }
        $wxpay = new wxpayApi();
        $result = $wxpay->aesGcmDecrypt([
            "associated_data"=>$post["resource"]["associated_data"],
            "nonce"=>$post["resource"]["nonce"],
            "ciphertext"=>$post["resource"]["ciphertext"],
        ]);
        
        if(!$result){
            return false;
        }
        //商家内部订单号
        $out_trade_no   = $result["out_trade_no"];
        $res = $wxpay->searchOrder($out_trade_no);
        if(!$res){
            return false;
        }
        $data = json_decode($res,true);
        //支付成功
        if($data["trade_state"]=="SUCCESS"){
            $payDataInfo = [
                    'totalMoney' =>(empty($data["amount"]) || empty($data["amount"]["total"]))      ?"未返回":$data["amount"]["total"]/100,
                    'payMoney'   =>(empty($data["amount"]) || empty($data["amount"]["payer_total"]))?"未返回":$data["amount"]["payer_total"]/100,
                    'payTradeNo' =>empty($data["transaction_id"]) ? "未返回" : $data["transaction_id"],
                    'outTradeNo' =>empty($data["out_trade_no"])   ? "未返回" : $data["out_trade_no"],
                    "tradeStatus"=>empty($data["trade_state"])    ? "未返回" : $data["trade_state"],
                    "payTime"    =>empty($data["success_time"])   ? "未返回" : $data["success_time"],
            ];
            $pay_json = json_encode($payDataInfo);
            (new OrderLib)->orderPay($out_trade_no, $pay_json);
        }
    }

}