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什么时候需要把一段代码封装成一个函数什么时候需要封装成一个类呢？

WBOY
Release： 2016-06-20 12:34:19
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我昨天的那个问题就是想把一段代码封装成一个类  结果版主说没必要封装成类 那么我想问一下什么时候需要封装成类呢 什么时候需要封装成函数？我感觉封装成函数要简单一点 那为什么还有很多人写的分页类 mysql类呢 直接封装函数不好吗？


回复讨论(解决方案)

封装成函数（面向过程）和封装类（面向对象）的方法是一样的，这取决与你采取什么样的编程方式

比如你的那一问，如果已经采用了面向对象的编程方式（或是在是由某个框架），那么封装函数就显得不伦不类了。到处都是类，单独一个函数不显得孤单吗

就是楼上那个意思，看情况定。不能一概论。

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什么时候需要把一段代码封装成一个函数什么时候需要封装成一个类呢？
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