1．录入班次信息（信息用文件保存），可不定时地增加班次数据。

2．浏览班次信息，可显示所有班次的当前状况。如果当前系统时间超过了某班次的发车时间，则显示“此班车已发出”的提示信息。

3．查询路线：可按班次号查询，也可按终点站查询。

4．售票和退票功能。当查询出已订票人数小于额定在量且当前系统时间小于发车时间时才能售票，自动更新已售票人数。退票时，输出退票的班次，当本班车未发出时才能退票，自动更新已售票人数。

5．采用文件方式存储数据，系统以菜单方式工作

-1. Entry flight information (information use file save), don t regularly to increase their data.

2. Browse flight information, can show that all of the divisions of the current condition. If the current system time more than one of the divisions of the departure time, it shows "the bus has issued a" messages.

3. Inquires the route: but in their number query, also can press terminal inquires the.

4. The ticket and refund function. When the number of tickets has less than query rated in the current system time than the amount and departure time to the ticket, automatic updates already the ticket number. Refund, output the divisions of the refund, when this bus can not a refund, automatic updates already the ticket number.

5. The file data are stored, system menu way to work