php设计模式 建造者模式 与Adapter(适配器模式)
适配器模式:将一个类的接口转换成客户希望的另外一个接口,使用原本不兼容的而不能在一起工作的那些类可以在一起工作.
建造者模式:将一个复杂对象的构建与它的表示分离,使用同样的构建过程可以创建不同的表示.
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- class OldCache
- {
- public function __construct()
- {
- echo "OldCache construct<br/>";
- }
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- public function store($key,$value)
- {
- echo "OldCache store<br/>";
- }
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- public function remove($key)
- {
- echo "OldCache remove<br/>";
- }
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- public function fetch($key)
- {
- echo "OldCache fetch<br/>";
- }
- }
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- interface Cacheable
- {
- public function set($key,$value);
- public function get($key);
- public function del($key);
- }
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- class OldCacheAdapter implements Cacheable
- {
- private $_cache = null;
- public function __construct()
- {
- $this->_cache = new OldCache();
- }
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- public function set($key,$value)
- {
- return $this->_cache->store($key,$value);
- }
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- public function get($key)
- {
- return $this->_cache->fetch($key);
- }
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- public function del($key)
- {
- return $this->_cache->remove($key);
- }
- }
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- $objCache = new OldCacheAdapter();
- $objCache->set("test",1);
- $objCache->get("test");
- $objCache->del("test",1);
php设计模式 Builder(建造者模式).
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- class Product
- {
- public $_type = null;
- public $_size = null;
- public $_color = null;
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- public function setType($type)
- {
- echo "set product type<br/>";
- $this->_type = $type;
- }
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- public function setSize($size)
- {
- echo "set product size<br/>";
- $this->_size = $size;
- }
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- public function setColor($color)
- {
- echo "set product color<br/>";
- $this->_color = $color;
- }
- }
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- $config = array(
- "type"=>"shirt",
- "size"=>"xl",
- "color"=>"red",
- );
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- $oProduct = new Product();
- $oProduct->setType($config['type']);
- $oProduct->setSize($config['size']);
- $oProduct->setColor($config['color']);
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- class ProductBuilder
- {
- var $_config = null;
- var $_object = null;
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- public function ProductBuilder($config)
- {
- $this->_object = new Product();
- $this->_config = $config;
- }
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- public function build()
- {
- echo "--- in builder---<br/>";
- $this->_object->setType($this->_config['type']);
- $this->_object->setSize($this->_config['size']);
- $this->_object->setColor($this->_config['color']);
- }
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- public function getProduct()
- {
- return $this->_object;
- }
- }
- $objBuilder = new ProductBuilder($config);
- $objBuilder->build();
- $objProduct = $objBuilder->getProduct();