系统中每个号码记录包括电话号码,姓名,话费， 地址，是否挂失。2,剩余金额3,手机缴费，注销，保存。及用户信息，课程信息，用户信息的修改、删除和查询等程序的运行效果-Each number recorded in the system including the phone number, name, phone, Address, whether to report the loss.2, the remaining amount 3, mobile payment, cancella