DB_CONNECTION=mysql
// host地址
DB_HOST=127.0.0.1
// 端口号
DB_PORT=3306
// 数据库名
DB_DATABASE=laravel9
// 用户名
DB_USERNAME=root
// 密码
DB_PASSWORD=

return $this->success($data);

return $this->fail($codeResponse);

$this->throwBusinessException($codeResponse);

return $this->successPaginate($data);

$this->verifyId('key');

$this->verifyInteger('key');

$this->verifyString('key');

$this->verifyBoolean('key');

public function index()
{
    $id = $this->verifyId('id', null);
}

http://127.0.0.1:8000/api/user/index?id=xddd

<?php

namespace App\Services;

use App\Helpers\ApiResponse;

class BaseService
{
    // 引入api统一返回消息
    use ApiResponse;

    protected static $instance;

    public static function getInstance()
    {
        if (static::$instance instanceof static){
            return self::$instance;
        }
        static::$instance = new static();
        return self::$instance;
    }

    protected function __construct(){}

    protected function __clone(){}

}

<?php

namespace App\Services;

use App\Services\BaseService;

class UserService extends BaseService
{
    // 获取用户信息
    public function getUserInfo()
    {
        return ['id' => 1, 'nickname' => '张三', 'age' => 18];
    }

}

use App\Services\UserService;

public function info()
{
    $user = UserService::getInstance()->getUserInfo();
    return $this->success($user);
}