File list (Check if you may need any files):
excel
.....\conn.php
.....\conn.php.bak
.....\course.xls
.....\example.php
.....\example.php.bak
.....\Excel
.....\.....\oleread.inc
.....\.....\reader.php
.....\.....\reader.php.bak
.....\jxlrwtest.xls
.....\reader.php
.....\README
.....\student.xls
.....\upload
.....\......\1.xls
.....\......\course.xls
.....\......\student.xls
.....\......\新建 文本文档.txt
.....\upload.php
.....\upload.php.bak
.....\uploadcheck.php
.....\uploadcheck.php.bak
.....\新建 文本文档.txt