} public function setSize($size) { echo "set product size<br/>"; $this->_size = $size; } public function setColor($color) { echo "set product color<br/>"; $this->_color = $color; } } $config = array("type" => "shirt", "size" => "xl", "color" => "red"); // 没有使用bulider以前的处理 $oProduct = new Product(); $oProduct->setType($config['type']); $oProduct->setSize($config['size']); $oProduct->setColor($config['color']); // 创建一个builder类 class ProductBuilder { var $_config = null; var $_object = null; public function ProductBuilder($config) { $this->_object = new Product(); $this->_config = $config; } public function build() { echo "--- in builder---<br/>";