物业收费管理（原创）---可用于学生的课程设计，及二次开发管理，VFP6.0编译通过，安装VFP6.0软件即可查看源码。-Property management fees (original)--- can be used for students in curriculum design, and management of secondary development, VFP6.0 compiler passed VFP6.0 software installed to view sourc