PHP中文件包含：/与.

比如一个网站目录文件夹为“www” www下有 fckeditor文件夹和images文件夹。index.php为www下的文件和fckeditor、images为同一级别。 include("fckeditor/fckeditor.php") index.php包含www下的的fckeditor/fckeditor.php。fckeditor文件夹和index.php是同一级。 include("/fckeditor/