共有5个系统，分别为工资管理系统，小区物业管理系统源码，毕业设计选题管理系统，人事管理系统，网络购物系统，并且都带论文。-A total of five systems, namely, salary management system, residential property management system source code, graduation design management system, personnel management systems, online shop

物业管理系统,有完整的源代码和程序,附毕业设计论文-Property management system, with complete source code and procedures