I test the moodle 2.0.2 just now , and I upload a file(the filename has somewords that contain '一二三'...).
Result: The Chinese FileName can be displayed correctly, and the file is actually uploaded, but it cannot be downloaded.
The Reason is:
1. The Fuction "clean_param()" in moodlelib.php has some problem. It returns null when the filepath contain Chinese words. This Problem is easy to fix.
2. The field 'pathnamehash' stored in the Table 'mdl_files' is different from the hash value when it will be download. This is the major problem why The Chinese FileName Files cannot be downloaded.
Can anyone Help me ?