本程序以哈尔滨工业大学为例，用堆结构实现了校园内导航图这一功能，用户输入自己在校园内的所在地和目的地，程序会自动给出路线。-procedures to the Harbin Industrial University as an example, the use of the reactor structure to achieve campus navigation map of this function, Users input their campus, the location and the destination, the program will automatically given route.