smarty模板中的斜杠的定义到底在哪里
smarty模板中的DS是这样定义的：
if (!defined('DS')) {
define('DS', DIRECTORY_SEPARATOR);
}
问了一下明白人，说，这个DS即为分隔符的意思，代表那个"/"，但我找了一下smarty中的文件，没有发现这个斜杠呢？
回复讨论(解决方案)
DIRECTORY_SEPARATOR php 预置常量，其值为所在操作系统的路径符（windows：\ linux：/）
其实 windows 一样支持 / 作为路径符，所以没有必要单单去定义那个 DS 常量
直接写作 / 就可以了
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