文档里面包含五个系统代码。分别为1.公司人员管理系统；2.新科库存管理系统；3.高校学籍管理系统；4.高校工资管理系统；5.高校人事管理系统。

PS：希望能通过审核，加入这个大家庭，与大家共同学习进步！-Document which contains the five system code. 1, respectively. Company personnel management system　2. New inventory management system　3. College student management system　4. College wage management system　5. Colleges and Universities Personnel Management System. PS: hope that through the audit, to join the family, with everyone together to learn and progress!