``` if (!function_exists('check_cors_request')) { /** * 跨域检测 */ function check_cors_request() { if (isset($_SERVER['HTTP_ORIGIN']) && $_SERVER['HTTP_ORIGIN']) { $info = parse_url($_SERVER['HTTP_ORIGIN']); $domainArr = explode(',', config('fastadmin.cors_request_domain')); $domainArr[] = request()->host(true); if (in_array("*", $domainArr) || in_array($_SERVER['HTTP_ORIGIN'], $domainArr) || (isset($info['host']) && in_array($info['host'], $domainArr))) { header("Access-Control-Allow-Origin: " . $_SERVER['HTTP_ORIGIN']); } else { header('HTTP/1.1 403 Forbidden'); exit; } header('Access-Control-Allow-Credentials: true'); header('Access-Control-Max-Age: 86400'); if ($_SERVER['REQUEST_METHOD'] == 'OPTIONS') { if (isset($_SERVER['HTTP_ACCESS_CONTROL_REQUEST_METHOD'])) { header("Access-Control-Allow-Methods: GET, POST, PUT, DELETE, OPTIONS"); } if (isset($_SERVER['HTTP_ACCESS_CONTROL_REQUEST_HEADERS'])) { header("Access-Control-Allow-Headers: {$_SERVER['HTTP_ACCESS_CONTROL_REQUEST_HEADERS']}"); } exit; } } } } ```