Home php教程 php手册 PHP四大概念 当好PHPer

PHP四大概念 当好PHPer

Jun 06, 2016 pm 08:07 PM
php concept Grammatical structures

语法结构教科书上的知识和实际的程序设计是有区别的,真正的知识要在实际的开发中获得。每个php的开发人员在开始开发web应用程序之前,都应该熟悉下面的四件事: 1. 框架 框架可以说是php开发中的一个最重要的问题。 用php开发web应用程序时有很多方法,有很

语法结构教科书上的知识和实际的程序设计是有区别的,真正的知识要在实际的开发中获得。每个php的开发人员在开始开发web应用程序之前,都应该熟悉下面的四件事:

1. 框架

框架可以说是php开发中的一个最重要的问题。 用php开发web应用程序时有很多方法,有很多开源的框架可以使用,可以帮助快速的开发,保持更高的一致性和有效性。 其中比较好的框架包括cakephp ,Symfony和CodeIgniter 。很多框架还按照MVC设计模式 ,如果你在这个模式下工作过,那你一定会很熟悉。过一段时间,你甚至可以根据自己的需要来创建框架。

2. 模板引擎

如果您使用的不是一个框架来执行一个具体的设计模式,那么您想要使用的是模板引擎。不论你是自己创建或是使用现有的模板(如 Smarty),模板引擎都会使你的逻辑代码从HTML页面中独立出来(以及相关的CSS / js /等)。 这大大的简化了你的代码,使整个程序的修改变得快速简单,也使非开发者更容易修改你的程序。

3. 代码重用

正如我先前提过的,php是所用语言中代码重用性最好的。从多中小的文档到整个数据库类,php开发者需要的时候可以随意的选择重用现有的代码。其实,你几乎可以不用编写一行代码就能建立起整个应用程序。

4. 不重新开发现有的东西

很明显的一件事,只有少数的php开发者知道php本身有很多可用之处。忘记新的图书馆,或复杂的代码例程-先看看PHP手册。 例如,你们有没有听过number_format(), parse_url(), wordwrap()或bbcode_parse()?看一下整个函数参考 ,选择一个类别,浏览一下,您一定会有所发现。

(转)http://www.php100.com/html/webkaifa/PHP/PHP/2012/1122/11628.html

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