math_cms/app/Services/HttpClientService.php

<?php

namespace App\Services;

use Illuminate\Support\Facades\Http;

class HttpClientService
{
    /**
     * 创建带标准头的HTTP客户端
     */
    public static function make(string $timeout = '10'): \Illuminate\Http\Client\PendingRequest
    {
        return Http::timeout((int) $timeout)
            ->withHeaders([
                'Accept' => 'application/json',
                'Content-Type' => 'application/json',
                'User-Agent' => 'Laravel/' . (app()->version()),
            ])
            ->retry(2, 200);
    }
}