PHP常见设计模式

• 简单工厂

<?php
 # 简单工厂
 abstract class mycoach
 {
     public function __construct(){}
 }
 
 class cultivatecpc extends mycoach{
     public function __construct(){
         echo "把陈培昌培养为搏击教练"."\n";
     }
 }
 
 class cultivatecj extends mycoach{
     public function __construct(){
         echo "把程劲培养为搏击教练"."\n";
     }
 }
 
 class martialclub 
 {
     public function cultivate($name)
     {
         switch($name){
             case 'cj':
                 return new cultivatecj();
             case 'cpc':
                 return new cultivatecpc();
             default:
                 echo '培养一个小教练'."\n";
                 break;
         }
         return null;
     }
 }
 class clubmaster{
     public function cultivate()
     {
         $myclub = new martialclub();
         $myclub->cultivate('cj');
         $myclub = new martialclub();
         $myclub->cultivate('cpc');
     }
 }
 
 $mymaster = new clubmaster();
 $mymaster->cultivate();

输出结果：

把程劲培养为搏击教练
把陈培昌培养为搏击教练