book_admin/application/admin/database.php

<?php

// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006~2016 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: liu21st <liu21st@gmail.com>
// +----------------------------------------------------------------------

use think\Env;

return [
    // 服务器地址
    'hostname'        => Env::get('database.admin_hostname', ''),
    // 端口
    'hostport'        => Env::get('database.admin_hostport', ''),
    // 数据库部署方式:0 集中式(单一服务器),1 分布式(主从服务器)
    'deploy'          => Env::get('database.admin_deploy', 0),
    // 数据库读写是否分离 主从式有效
    'rw_separate'     => Env::get('database.admin_rw_separate', false),
    // 读写分离后 主服务器数量
    'master_num'      => Env::get('database.admin_master_num', 0),
    // 指定从服务器序号
    'slave_no'        => Env::get('database.admin_slave_no', ''),
];