服务提供者案例

<?php
namespace App\Services;

class TestService
{

    public function __construct()
    {
    }

    public function helloWorld()
    {
        echo ‘hello world‘;
    }
}

<?php

namespace App\Providers;

use App\Services\TestService;
use Illuminate\Support\ServiceProvider;

class TestServiceProvider extends ServiceProvider
{
    /**
     * Bootstrap the application services.
     *
     * @return void
     */
    public function boot()
    {
        //
    }

    public function register()
    {
        $this->app->bind(‘test‘, function ($app) {
            return new TestService();
        });
    }
}

App\Providers\TestServiceProvider::class,

<?php
namespace App\Http\Controllers;

use App\Http\Controllers\Controller;

/**
 *
 */
class TestController extends Controller
{
    public function test1()
    {
        app(‘test‘)->helloWorld();
    }
}