Laravel 如何引入多类 PHP 文件？

首先， include 和 require 是可以用的，比如下面这样：

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;

require __DIR__.'/../../Classes/1.php';

class TestController extends Controller
{
    public function index() {
        $class1 = new \Class1();
        $class2 = new \Class2();
        return $class1->say();
    }
}

1.php 放在项目下的 app/Classes 目录下

<?php
/**
 * Created by PhpStorm.
 * User: zed
 * Date: 18-6-13
 * Time: 上午10:35
 */
Class Class1 {
    public function say() {
        return 'i am class1';
    }
}
Class Class2 {
    public function say() {
        return 'i am class2';
    }
}

其次， Composer 也能用：

"autoload": {
        "files": [
            "app/Classes/1.php"
        ],
        "classmap": [
            "database/seeds",
            "database/factories"
        ],
        "psr-4": {
            "App\\": "app/"
        }
    },

改完之后记得

composer dumpautoload

感谢大神，我就是差在这个反斜杠上，怎么也引入不了。