方法工厂模式

方法工厂模式

<?php
interface LogInterface
{
    public function log();
}
//mysql报错日志
class MysqlLog implements LogInterface
{
    public function log()
    {
        // TODO: Implement log() method.
    }
}
//Redis报错日志
class RedisLog implements LogInterface
{
    public function log()
    {
        // TODO: Implement log() method.
    }
}
//用户操作错误日志
class UserLog implements LogInterface
{
    public function log()
    {
        // TODO: Implement log() method.
    }
}
//代码错诶日志
class ErrorLog implements LogInterface
{
    public function log()
    {
        // TODO: Implement log() method.
    }
}

interface LogFactory
{
    public function make();
}

class MysqlLogFactory implements LogFactory
{
    public function make()
    {
        return new MysqlLog();
    }
}
class RedisLogFactory implements LogFactory
{
    public function make()
    {
        return new RedisLog();
    }
}
class UserLogFactory implements LogFactory
{
    public function make()
    {
        return new UserLog();
    }
}

class ErrorLogFactory implements LogFactory
{
    public function make()
    {
        return new ErrorLog();
    }
}

class Product
{
    protected $Log;

    public function __construct()
    {
        $this->Log = array(
            (new MysqlLogFactory())->make(),
            (new RedisLogFactory())->make(),
            (new UserLogFactory())->make(),
            (new ErrorLogFactory())->make()
        );
    }

    public function getLog()
    {
        return $this->Log;
    }
}



$product = new Product();
var_dump($product->getLog());