这句话的作用是啥
defined('InShopNC') or exit('Access Invalid!');
回复讨论(解决方案)
强制入口，避免直接访问，算是权限控制吧。
如果没有定义defined('InShopNC')，就不能访问此页。
感觉if语句挺有意思，比如 如果当官，就有小三。完了。
计算机要是判断这句话会有两种结果，一种是前面说的，还有一种就是如果不当官就没有小三，但是现实生活中就不是这样的逻辑，所以计算机还是不怎么科学。
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