useraccount/public/index.php

<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006-2019 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: liu21st <liu21st@gmail.com>
// +----------------------------------------------------------------------

// [ 应用入口文件 ]
namespace think;
header('Access-Control-Allow-Origin:*');
header('Access-Control-Allow-Methods:POST,GET,OPTIONS,DELETE');
header('Access-Control-Allow-Headers: Origin, X-Requested-With, Content-Type, Accept, Authorization,sign,appid,noce,timestamp,Web-Auth');
// 执行HTTP应用并响应
if ($_SERVER['REQUEST_METHOD'] == 'OPTIONS') {
    echo '';
    exit();
}
require __DIR__ . '/../vendor/autoload.php';

// 执行HTTP应用并响应
$http = (new App())->http;

$response = $http->run();

$response->send();

$http->end($response);