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