演示工厂模式

大佬教程收集整理的这篇文章主要介绍了演示工厂模式，大佬教程大佬觉得挺不错的，现在分享给大家，也给大家做个参考。

<div class="cnblogs_code">

php
("content-type:text/html;charset=utf-8");

<span style="color: #008000;">//<span style="color: #008000;">工厂类

<span style="color: #0000ff;">class<span style="color: #000000;"> Factory{

<span style="color: #0000ff;">static  <span style="color: #0000ff;">function GetObjectByClassName(<span style="color: #800080;">$class_name<span style="color: #000000;">){

<span style="color: #800080;">$obj1=<span style="color: #0000ff;">new <span style="color: #800080;">$class_name<span style="color: #000000;">();

<span style="color: #0000ff;">return <span style="color: #800080;">$obj1<span style="color: #000000;">;

}

}
<span style="color: #0000ff;">class<span style="color: #000000;"> A{};

<span style="color: #0000ff;">class<span style="color: #000000;"> B{};

<span style="color: #0000ff;">class<span style="color: #000000;"> C{};

<span style="color: #008000;">//<span style="color: #008000;">$F=new Factory();

//$obj1= $F->GetObjectByClassName("A");

<span style="color: #800080;">$obj1= Factory::GetObjectByClassName("A"<span style="color: #000000;">);

<span style="color: #800080;">$obj2= Factory::GetObjectByClassName("A"<span style="color: #000000;">);

<span style="color: #800080;">$obj3= Factory::GetObjectByClassName("B"<span style="color: #000000;">);

<span style="color: #800080;">$obj4= Factory::GetObjectByClassName("C"<span style="color: #000000;">);

<span style="color: #800080;">$obj5= Factory::GetObjectByClassName("A"<span style="color: #000000;">);

<span style="color: #0000ff;">echo "
";<span style="color: #008080;">var_dump(<span style="color: #800080;">$obj1<span style="color: #000000;">);

<span style="color: #0000ff;">echo "
";<span style="color: #008080;">var_dump(<span style="color: #800080;">$obj2<span style="color: #000000;">);

<span style="color: #0000ff;">echo "
";<span style="color: #008080;">var_dump(<span style="color: #800080;">$obj3<span style="color: #000000;">);

<span style="color: #0000ff;">echo "
";<span style="color: #008080;">var_dump(<span style="color: #800080;">$obj4<span style="color: #000000;">);

<span style="color: #0000ff;">echo "
";<span style="color: #008080;">var_dump(<span style="color: #800080;">$obj5<span style="color: #000000;">); 
<span style="color: #008000;">/*<span style="color: #008000;">
object(A)#2 (0) { }

object(A)#3 (0) { }

object(B)#4 (0) { }

object(C)#5 (0) { }

object(A)#6 (0) { }
<span style="color: #008000;">*/