人事考勤系统access数据库，由于对人员每日的考勤统计不清晰，特提供一个考勤助手。此代码仅供做access访问的参考学习。-Access a database of personnel time and attendance system, because of the staff daily attendance statistics are not clear, especially to provide a time and attendance assistant. This code is only made reference to access to access learning.