_name = $name;	}	public function setAge($age){		$this->_age = $age;	}	public function setSex($sex){		$this->_sex = $sex;	}}class UserBuilder{	protected $_user;	protected $_configs;	public function __construct($config){		$this->_user = new User();		$this->_configs = $config;	}	public function builder(){		$this->_user->setName($this->_configs["name"]);		$this->_user->setAge($this->_configs["age"]);		$this->_user->setSex($this->_configs["sex"]);	}	public function getUser(){		return $this->_user;	}}//避免重复$config = array("name"=>"beck","age"=>18,"sex"=>1);//如果没有builder$user = new User();$user->setName($this->_configs["name"]);$user->setAge($this->_configs["age"]);$user->setSex($this->_configs["sex"]);$config = array("name"=>"beck_new","age"=>38,"sex"=>2);//如果没有builder$user2 = new User();$user2->setName($this->_configs["name"]);$user2->setAge($this->_configs["age"]);$user2->setSex($this->_configs["sex"]);//如果有builder，去除重复$builder = new UserBuilder($config);$builder->builder();print_r($builder->getUser());

建造者模式：把一个类的对象的构建交给另外一个类。