ObjectUtil组件其实就是单例模式的最好范例,声明调用各个组件的时候,用ObjectUtil调用,可以有效的防止调用过多的类而导致错误或者资源浪费。
比如调用Db组件,这样声明就可以了
$db = LtObjectUtil::singleton('LtDb');
singleton方法是LtObjectUtil类中唯一的方法,目的就是声明类库,如果该类库存在init()方法,然后调用该类库的init()的方法。
ObjectUtil 还有一个快速调用的函数,可以在框架里或者模板里进行快速调用
格式如下:
C('LtDb');
其实就是函数内部调用的LtObjectUtil::singleton('LtDb');
LotusPhp 是不太主张过多的使用静态类的,这个是框架中唯一的静态类。
对于静态类的优劣,不是今天说的主题,不过大家可以看看这篇基于PHP静态类的原罪详解>的文章,就是说静态类的,可以作为参考。

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