本系统的使用身份分为三个，分别是人事经理，部门经理和一般员工。人事经理拥有最高的权限，能对整个人事档案一一了解。部门经理能够查询所有的人事档案信息。一般员工只能查询除了人事信息以外的信息-The use of the system as divided into three, namely, personnel managers, department managers and general staff. Personnel managers have the highest authorit