php设计模式 Builder(建造者模式)_php技巧

 <BR><?php <BR>/** <BR>* 建造者模式 <BR>* <BR>* 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 <BR>*/ <BR>class Product <BR>{ <BR>public $_type = null; <BR>public $_size = null; <BR>public $_color = null; <br><br>public function setType($type) <BR>{ <BR>echo "set product type<br />"; <BR>$this->_type = $type; <BR>} <br><br>public function setSize($size) <BR>{ <BR>echo "set product size<br />"; <BR>$this->_size = $size; <BR>} <br><br>public function setColor($color) <BR>{ <BR>echo "set product color<br />"; <BR>$this->_color = $color; <BR>} <BR>} <br><br>$config = array( <BR>"type"=>"shirt", <BR>"size"=>"xl", <BR>"color"=>"red", <BR>); <br><br>// 没有使用bulider以前的处理 <BR>$oProduct = new Product(); <BR>$oProduct->setType($config['type']); <BR>$oProduct->setSize($config['size']); <BR>$oProduct->setColor($config['color']); <br><br><BR>// 创建一个builder类 <BR>class ProductBuilder <BR>{ <BR>var $_config = null; <BR>var $_object = null; <br><br>public function ProductBuilder($config) <BR>{ <BR>$this->_object = new Product(); <BR>$this->_config = $config; <BR>} <br><br>public function build() <BR>{ <BR>echo "--- in builder---<br />"; <BR>$this->_object->setType($this->_config['type']); <BR>$this->_object->setSize($this->_config<p>4本文￥来源gao!%daima.com搞$代*!码$网9</p><pre>搞代gaodaima码

[‘size’]);
$this->_object->setColor($this->_config[‘color’]);
}

public function getProduct()
{
return $this->_object;
}
}

$objBuilder = new ProductBuilder($config);
$objBuilder->build();
$objProduct = $objBuilder->getProduct();

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