PHP设计模式之原型设计模式原理与用法分析

<?php
/**
*  原型设计模式
*        以现代企业组织为例
**/
//部门抽象类
abstract class iacmeprototype
{
  protected $id;   //员工id号
  protected $name;  //员工名字
  protected $dept;  //员工部门
  //克隆方法
  abstract function __clone();
  //员工部门设置方法
  abstract function setdept($orgcode);
  //员工部门获取方法
  public function getdept()
  {
    return $this->dept;
  }
  //员工id号设置方法
  public function setid($id)
  {
    $this->id = $id;
  }
  //员工id号获取方法
  public function getid()
  {
    return $this->id;
  }
  //员工名字设置方法
  public function setname($name)
  {
    $this->name = $name;
  }
  //员工名字获取方法
  public function getname()
  {
    return $this->name;
  }
}
//市场部类
class marketing extends iacmeprototype
{
  const unit = "marketing";  //标识
  //市场部门类别
  private $sales = "sales";
  private $promotion = "promotion";
  private $strategic = "strategic planning";
  //克隆函数
  function __clone()
  {
  }
  //部门设置函数
  public function setdept($orgcode)
  {
    switch($orgcode)
    {
      case 101:
          $this->dept = $this->sales;
          break;
      case 102:
          $this->dept = $this->promotion;
          break;
      case 103:
          $this->dept = $this->strategic;
          break;
      default:
          $this->dept = "unrecognized marketing";
    }
  }
}
//管理部类
class management extends iacmeprototype
{
  const unit = "management";
  private $research = "research";
  private $plan = "planning";
  private $operations = "operations";
  function __clone()
  {
  }
  public function setdept($orgcode)
  {
    switch($orgcode)
    {
      case 201:
          $this->dept = $this->research;
          break;
      case 202:
          $this->dept = $this->plan;
          break;
      case 203:
          $this->dept = $this->operations;
          break;
      default:
          $this->dept = "unrecognized marketing";
    }
  }
}
//工厂部类
class engineering extends iacmeprototype
{
  const unit = "engineering";
  private $development = "programming";
  private $design = "digital artwork";
  private $sysad = "system administration";
  function __clone()
  {
  }
  public function setdept($orgcode)
  {
    switch($orgcode)
    {
      case 301:
          $this->dept = $this->development;
          break;
      case 302:
          $this->dept = $this->design;
          break;
      case 303:
          $this->dept = $this->sysad;
          break;
      default:
          $this->dept = "unrecognized marketing";
    }
  }
}
//客户类
class client
{
  private $market;  //市场部类实例
  private $manage;  //管理部类实例
  private $engineer; //工厂部类实例
  //构造函数
  public function __construct()
  {
    $this->makeconproto();
    //市场部类实例克隆
    $tess = clone $this->market;
    $this->setemployee($tess,"tess smith",101,"ts101-1234");
    $this->showemployee($tess);
    $jacob = clone $this->market;
    $this->setemployee($jacob,"jacob jones",102,"jj101-2234");
    $this->showemployee($jacob);
    //管理部类实例克隆
    $ricky = clone $this->manage;
    $this->setemployee($ricky,"ricky rodrigues",203,"rr203-5634");
    $this->showemployee($ricky);
    //工程部类实例克隆
    $olivia = clone $this->engineer;
    $this->setemployee($olivia,"olivia perez",302,"op302-1278");
    $this->showemployee($olivia);
    $john = clone $this->engineer;
    $this->setemployee($john,"john jackson",301,"jj301-1454");
    $this->showemployee($john);
  }
  //实例化部门对象
  private function makeconproto()
  {
    $this->market = new marketing();
    $this->manage = new management();
    $this->engineer = new engineering();
  }
  //员工信息设置方法
  private function setemployee(iacmeprototype $employee,$name,$dept,$id)
  {
    $employee->setname($name);
    $employee->setdept($dept);
    $employee->setid($id);
  }
  //员工信息显示方法
  private function showemployee(iacmeprototype $employee)
  {
    echo $employee->getname() . '<br />';
    echo $employee->getdept() . '<br />';
    echo $employee->getid() . '<br />';
  }
}
$client = new client();
?>