昨天转贴了一篇卢占斌写的关于PHP的OOP的文章~ 然后想说说自己对PHP面向对象编程的感受~
曾看见有人说:PHP和PERL简直一模一样,有了PERL,还要PHP干吗?
那么我就要问他了,人都是一样的,既然已经有那么多人了,要你干吗?~也许你要说每一个人都是不一样的,就是啦,事物都是不一样的,而且即使一样,既然已然现世,何必不好好得活一场来证明自己比另一个或另一些好呢?
对于PERL我确实接触很好,也从没有认真去使用过他,只是很久以前看过一些基本的东西,在我看来他是及不上Python的~Python已经有10几年的历史,只是他似乎不在意推广,但事实上Python在很多地方都有应用,比如大名鼎鼎的RedHat Lunix的安装脚本就是他制作的,而且他早于JAVA前不知道多久就使用虚拟机了~
PHP很纯粹,我一直这么认为,从一开始的简单到现在的复杂,他虽然也在走大合(……)的路,但怎么说在许多网络上的引用还是局限于脚本,于是他真的很纯粹……很讨人喜欢。但有时候也会很不爽,因为不够强大,当然如果你实力够,你完全可以自己开发PHP的模块……但这样做显然不怎么值得……
翻开PHP的PEAR,哇~:)
我曾很愚蠢的对人说PHP没有构造函数~看来真是想毛主席说的,不懂就不要瞎说……
PHP不仅带有构造函数,而且~还能方便的重载构造函数~~
如下:
class MyClass {
var $MyVar;
function MyClass() {
$this->MyVar = "I am iZzzzzzzzzzzzz";
}
}
$test = new MyClass;
echo $test->MyVar;
?>
关于重载构造,见前几天的那篇文章~
PHP中对封装,继承,多态都做的非常好~
一些人可能会说PHP不是一个真正的面向对象的语言,这是事实。PHP是一个混合型语言,你可以使用OOP,也可以使用传统的过程化编程。然而,对于大型项目,你可能想/需要在PHP 中使用纯的OOP去声明类,而且在你的项目只用对象和类。随着项目越来越大,使用OOP可能会有帮助,OOP代码很容易维护,容易理解和重用。这些就是软件工程的基础。在基于web的项目中应用这些概念就成为将来网站成功的关键。
事实上就虽然OOP是软件工程的核心,但假如你连面向过程都做不好~那么你是肯定写不好OOP的代码的~肯定!
前几天贴的那文章真的很不错……很值得大家一看
下面是连接地址:
http://www.justdn.org/justdn.v2/content.php?ID=24
iZz Studio
2001.

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