一个简单的宽带收费管理系统。包括开户、缴费、端口哦管理、任务管理、充值卡管理等，拥有打印和导入等功能。使用excel做数据库，简单方便。-A simple broadband subscr iption management system. Including open an account, pay bills, port oh management, task management, prepaid card management, with print and import functio