面向对象 OOP之小弟我见
面向对象 OOP之我见
一、面向对象 OOP代码组织和利用的思想方法而已。没有什么可高深的。
二、在规模很小,不复杂的程序中,面向过程编程和面向对象可以一样优美。但需要水平。
三、但是,即便在很小规模的项目,几百行,面向对象都会更容易写得比过程更美。
四、在PHP语言中支持可变变量和new $objectName下,多态实现更容易,也更简单。
五、永远想着优化代码,像Java编程一纯对象,其实灵活性远没有PHP容易。
六、在面向对象方向,虽然由Java发扬光大,但本质和C++一样。但PHP的面向对象已经更完善,且更自由,充分利用了OOP和过程编程的优点。
七、函数式编程【非指面向过程的函数】,是和OOP编程完全不同的思想,一种更灵活的思想。
八、面向过程的函数编程,作为OOP的元素,有时候也是一种优势。
九、OOP的实现也是由过程式编程C语言实现,过程式语言也完全可以实现OOP一样编程。只不过很牵强。
十、OOP编程的最高境界,就是程序具备自我识别和自我认识。
------解决思路----------------------是我懂得太少了么?
------解决思路----------------------
如果在软件设计时,从复用、可扩展性、易维护的角度出发,我想OO相对于OP来说,仅是个词汇而已。
------解决思路----------------------
其实我很不喜欢面向对象,感觉它把数据,逻辑揉在了一起,
有一次,我想把一个 Action 里的方法,移动到 Model 里,
因为我觉得它是业务逻辑,必须包括在 Model 里,
然后,头疼的事情就来了,这个方法里有很多对成员方法,成员属性的调用,
它完全依赖这个类了,移动到别的地方去要做很大的修改.
上代码:
<br />class TestAction extends Action {<br /><br /> private $age;<br /> protected $name;<br /> protected $mid = 1;<br /><br /> private function foo($param) { <br /> $this->age = 99;<br /> // 一些代码<br /> }<br /><br /> private function bar() {<br /> return $this->name;<br /> }<br /> // 这是我想移动的方法<br /> public function test () {<br /> // 一些代码<br /> $this->foo($var); // 依赖 Action 的 foo () 方法<br /> $status = $this->bar($this->mid); // 依赖 Action 的 bar () 方法,依赖 mid 字段<br /> }<br />}<br /><br />class TestModel extends Model {<br /> // 想把 test () 方法放在这个类里<br />}<br />
------解决思路----------------------
IT技术源于生活,服务于生活,之所以面向对象被广泛运用并不断发展,就是它更贴近于我们的实际生活。
当然,比如我现在需要做个简单的投票程序,用面向过程写就可以了。
两者没有冲突,彼此之间不会因为对方的发展而被淘汰。

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