<div class="codebody" id="code27895"> <?PHP /* 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 */ // 这个是原有的类型 class OldCache { public function __construct() { echo "OldCache construct "; } public function store($key,$value) { echo "OldCache store "; } public function remove($key) { echo "OldCache remove "; } public function fetch($key) { echo "OldCache fetch "; } } interface Cacheable { public function set($key,$value); public function get($key); public function del($key); } class OldCacheAdapter implements Cacheable { private $_cache = null; public function __construct() { $this->_cache = new OldCache(); } public function set($key,$value) { return $this->_cache->store($key,$value); } public function get($key) { return $this->_cache->fetch($key); } public function del($key) { return $this->_cache->remove($key); } } $objcache = new OldCacheAdapter(); $objcache->set("test",1); $objcache->get("test"); $objcache->del("test",1);
