设计模式 | 抽象工厂模式

<?php
/**
 * Created by 憧憬.
 */


/**
 * 定义连接约束
 * Interface IConnection
 */
interface IConnection {
    public function connect();
}


/**
 * 定义命令约束
 * Interface ICommand
 */
interface ICommand {
    public function command();
}

/**
 * mysql连接实现
 * Class MysqlConnect
 */
class MysqlConnect implements IConnection {
    public function connect()
    {
        echo 'mysql connect';
    }
}

/**
 * mysql命令发送
 * Class MysqlCommand
 */
class MysqlCommand implements ICommand {
    public function command()
    {
        echo 'mysql command';
    }
}


/**
 * 抽象工厂约束
 * Interface IDataBase
 */
interface IDataBase {
    public function getConnect();
    public function getCommand();
}

/**
 * mysql工厂实现
 * Class MysqlServer
 */
class MysqlServer implements IDataBase {
    public function getConnect()
    {
        return new MysqlConnect();
    }

    public function getCommand()
    {
        return new MysqlCommand();
    }
}


$mysqlServer = new MysqlServer();

$mysqlServer->getConnect()->connect();
$mysqlServer->getCommand()->command();