2009/9/25 李琴 qli@ica.stc.sh.cn:
OK, I see. And the other questions?
If I edit a page,Whether the page_id change or not?
No, the page_id stays the same when pages are edited, and even when they're moved (in the latter case, page_namespace and/or page_title will change, of course).
Roan Kattouw (Catrope)