为达到提高学生的C语言的综合项目能力，特模拟真实的电信计费系统进行训练。-Is to improve students' ability to C language integrated projects, especially in the telecommunications billing system to simulate real training.

达内的电信计费项目，可对用户租赁服务器进行收费，还有后台管理界面(The telecom billing project, can charge for the user and server rental, admin interface)

电信计费项目controller的写法具体的轻打开自己分析记录(controller i hope you can understand what i said)