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为啥所有框架都要把数据库操作封装成对象

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Release： 2016-06-13 12:05:01
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为什么所有框架都要把数据库操作封装成对象
特别讨厌写个SQL还要去适应不同框架的不同写法，封装成对象有什么好处吗，请高手解惑
------解决方案--------------------
因为方便自己调用啊。
适应不同的数据库。
------解决方案--------------------
扩展性强啊。

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