php设计模式 Builder(建造者模式)
分类：PHP作者：编程之家
<div class="codetitle"><a style="CURSOR: pointer" data="62778" class="copybut" id="copybut62778" onclick="doCopy('code62778')"> 代码如下:
<div class="codebody" id="code62778">
<?
PHP /*
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
*/
class Product
{
public $_type = null;
public $_size = null;
public $_color = null; public function setType($type)
{
echo "set product type
";
$this->_type = $type;
} public function setSize($size)
{
echo "set product size
";
$this->_size = $size;
} public function setColor($color)
{
echo "set product color
";
$this->_color = $color;
}
} $con
fig = array(
"type"=>"shirt",
"size"=>"xl",
"color"=>"red",
); // 没有使用bulider以前的处理
$oProduct = new Product();
$oProduct->setType($con
fig['type']);
$oProduct->setSize($con
fig['size']);
$oProduct->setColor($con
fig['color']);
// 创建
一个builder类
class ProductBuilder
{
var $_con
fig = null;
var $_object = null; public function ProductBuilder($con
fig)
{
$this->_object = new Product();
$this->_con
fig = $con
fig;
} public function build()
{
echo "--- in builder---
";
$this->_object->setType($this->_con
fig['type']);
$this->_object->setSize($this->_con
fig['size']);
$this->_object->setColor($this->_con
fig['color']);
} public function getProduct()
{
return $this->_object;
}
} $objBuilder = new ProductBuilder($con
fig);
$objBuilder->build();
$objProduct = $objBuilder->getProduct();
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