<?php

namespace App\Providers;

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

use App\Repositories\Eloquent\SmsRepository as Sms;

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

    /**
     * Register the application services.
     *
     * @return void
     */
    public function register()
    {
        //使用singleton绑定单例
        $this->app->singleton('test', function($app){
            return new UserService(new Sms($app));
        });

        //使用bind板顶实际到接口以便依赖注入
        $this->app->bind('App\Contracts\UserContract', function($app){
            return new UserService(new Sms($app));
        });
    }
}