分类分类
更新时间：2026-02-18 20:16:35作者：fang
本文实例讲述了PHP基于工厂模式实现的计算器。分享给大家供大家参考。具体如下：
abstract class Calculator
{
private $number1;
private $number2;
public $result;
/**
* @return the $number2
*/
public function getNumber2() {
return $this->number2;
}
/**
* @param field_type $number2
*/
public function setNumber2($number2) {
$this->number2 = $number2;
}
/**
* @return the $number1
*/
public function getNumber1() {
return $this->number1;
}
/**
* @param field_type $number1
*/
public function setNumber1($number1) {
$this->number1 = $number1;
}
abstract function get_result();
}
class Add extends Calculator
{
public function get_result($number1,$number2)
{
return $number1+$number2;
}
}
class Sub extends Calculator
{
public function get_result($number1,$number2)
{
return $number1-$number2;
}
}
class Mul extends Calculator
{
public function get_result($number1,$number2)
{
return $number1*$number2;
}
}
class Div extends Calculator
{
public function get_result($number1,$number2)
{
return $number1/$number2;
}
}
class Factory
{
public function Building($notes)
{
if($notes=="+")
{
$add=new Add();
return $add;
}
elseif ($notes=="-")
{
$sub=new Sub();
return $sub;
}
elseif($notes=="*")
{
$mul=new Mul();
return $mul;
}
else
{
$div=new Div();
return $div;
}
}
}
希望本文所述对大家的php程序设计有所帮助。
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