ufutx.love.util/app/Providers/AppServiceProvider.php

<?php

namespace App\Providers;

use App\Services\AlipayService;
use App\Services\UploadService;
use App\Services\UtilService;
use App\Services\WechatPayService;
use Illuminate\Support\ServiceProvider;

class AppServiceProvider extends ServiceProvider
{
    /**
     * Register any application services.
     *
     * @return void
     */
    public function register()
    {
        $this->app->singleton('uploadservice', function () {
            return new UploadService();
        });
        $this->app->singleton('wechatpayservice', function () {
            return new WechatPayService();
        });
        $this->app->singleton('alipayservice', function () {
            return new AlipayService();
        });
        $this->app->singleton('utilservice', function () {
            return new UtilService();
        });
    }

    /**
     * Bootstrap any application services.
     *
     * @return void
     */
    public function boot()
    {
        //
    }
}