职责链模式

职责链模式:使多个对象都有机会处理请求,从而避免请求的发送者和接收者之间的耦合关系。将这个对象连成一条链,并沿着这条链传递该请求,直到有一个对象处理它为止。

<?php

/**

 * Created by PhpStorm.

 * User: Administrator

 * Date: 2018/2/28

 * Time: 11:37

 */

namespace frontendmodels;

class Request

{

    //数量

    public  $num;

    //申请类型

    public  $requestType;

    //申请内容

    public $requestContent;

}

<?php

/**

 * Created by PhpStorm.

 * User: Administrator

 * Date: 2018/2/28

 * Time: 11:39

 */

namespace frontendmodels;

//抽象管理者

abstract class Manager

{

    protected  $name;

    //管理者上级

    protected  $manager;

    public  function __construct($name)

    {

        $this->name = $name;

    }

    //设置管理者上级

    public  function setHeader($manager){

        $this->manager = $manager;

    }

    abstract  public  function Apply(Request $request);

}

<?php

/**

 * Created by PhpStorm.

 * User: Administrator

 * Date: 2018/2/28

 * Time: 11:46

 */

namespace frontendmodels;

class CommonManager extends Manager

{

    public function __construct($name)

    {

        parent::__construct($name);

    }

    public function Apply(Request $request)

    {

        if ($request->requestType == '请假' && $request->num < 2){

            echo "{$this->name}:{$request->requestContent} 数量{$request->num}被批准。<br/>";

        }else{

            if(isset($this->manager)){

                $this->manager->Apply($request);

            }

        }

    }

}

<?php

/**

 * Created by PhpStorm.

 * User: Administrator

 * Date: 2018/2/28

 * Time: 11:51

 */

namespace frontendmodels;

class MajorDomo extends Manager

{

    public function __construct($name)

    {

        parent::__construct($name);

    }

    public function Apply(Request $request)

    {

        if ($request->requestType == '请假' && $request->num <= 5){

            echo "{$this->name}:{$request->requestContent} 数量{$request->num}被批准。<br/>";

        }else{

            if(isset($this->manager)){

                $this->manager->Apply($request);

            }

        }

    }

}

<?php

/**

 * Created by PhpStorm.

 * User: Administrator

 * Date: 2018/2/28

 * Time: 11:52

 */

namespace frontendmodels;

class GeneralManager extends Manager

{

    public function __construct($name)

    {

        parent::__construct($name);

    }

    public function Apply(Request $request)

    {

        if ($request->requestType == "请假")

        {

            echo "{$this->name}:{$request->requestContent} 数量{$request->num}被批准。<br/>";

        }

        else if($request->requestType=="加薪" && $request->num <= 500)

        {

            echo "{$this->name}:{$request->requestContent} 数量{$request->num}被批准。<br/>";

        }

        else if($request->requestType=="加薪" && $request->num>500)

        {

            echo "{$this->name}:{$request->requestContent} 数量{$request->num}再说吧。<br/>";

        }

    }

}

 $jingli = new CommonManager("李经理");

        $zongjian = new MajorDomo("郭总监");

        $zongjingli = new GeneralManager("孙总");

        //设置直接上级

        $jingli->SetHeader($zongjian);

        $zongjian->SetHeader($zongjingli);

//申请

        $req1 = new Request();

        $req1->requestType = "请假";

        $req1->requestContent = "小菜请假！";

        $req1->num = 1;

        $jingli->Apply($req1);

        $req2 = new Request();

        $req2->requestType = "请假";

        $req2->requestContent = "小菜请假！";

        $req2->num = 4;

        $jingli->Apply($req2);

        $req3 = new Request();

        $req3->requestType = "加薪";

        $req3->requestContent = "小菜请求加薪！";

        $req3->num = 500;

        $jingli->Apply($req3);

        $req4 = new Request();

        $req4->requestType = "加薪";

        $req4->requestContent = "小菜请求加薪！";

        $req4->num = 1000;

        $jingli->Apply($req4);

<?php
/**
 * Created by PhpStorm.
 * User: Jang
 * Date: 2015/6/11
 * Time: 10:16
 */

//申请Model
class Request
{
    //数量
    public $num;
    //申请类型
    public $requestType;
    //申请内容
    public $requestContent;
}

//抽象管理者
abstract class Manager
{
    protected $name;
    //管理者上级
    protected $manager;
    public function __construct($_name)
    {
        $this->name = $_name;
    }

    //设置管理者上级
    public function SetHeader(Manager $_mana)
    {
        $this->manager = $_mana;
    }

    //申请请求
    abstract public function Apply(Request $_req);

}

//经理
class CommonManager extends Manager
{
    public function __construct($_name)
    {
        parent::__construct($_name);
    }
    public function Apply(Request $_req)
    {
        if($_req->requestType=="请假" && $_req->num<=2)
        {
            echo "{$this->name}:{$_req->requestContent} 数量{$_req->num}被批准。<br/>";
        }
        else
        {
            if(isset($this->manager))
            {
                $this->manager->Apply($_req);
            }
        }

    }
}

//总监
class MajorDomo extends Manager
{
    public function __construct($_name)
    {
        parent::__construct($_name);
    }

    public function Apply(Request $_req)
    {
        if ($_req->requestType == "请假" && $_req->num <= 5)
        {
            echo "{$this->name}:{$_req->requestContent} 数量{$_req->num}被批准。<br/>";
        }
        else
        {
            if (isset($this->manager))
            {
                $this->manager->Apply($_req);
            }
        }

    }
}


//总经理
class GeneralManager extends Manager
{
    public function __construct($_name)
    {
        parent::__construct($_name);
    }

    public function Apply(Request $_req)
    {
        if ($_req->requestType == "请假")
        {
            echo "{$this->name}:{$_req->requestContent} 数量{$_req->num}被批准。<br/>";
        }
        else if($_req->requestType=="加薪" && $_req->num <= 500)
        {
            echo "{$this->name}:{$_req->requestContent} 数量{$_req->num}被批准。<br/>";
        }
        else if($_req->requestType=="加薪" && $_req->num>500)
        {
            echo "{$this->name}:{$_req->requestContent} 数量{$_req->num}再说吧。<br/>";
        }
    }
}