jzhj2024server/Gameserver/App/service_call/pay/official/wxv3/wx.php

<?php

require_once(__DIR__ . '/../../../../../vendor/autoload.php');                  # 导入微信依赖文件

// 添加 using
use WeChatPay\Builder;
use WeChatPay\Crypto\Rsa;
use WeChatPay\Util\PemUtil;

//echo("Hi");