给出校园内各个地点之间最短路径，节省同学们时间。同时也为其他学校的同学来到上海海事大学游览提供导游，详细介绍上海海事大学的景点以及详细信息。-Gives the shortest path between various locations on campus, students save time. Also came as students in other schools offer guided tours of Shanghai Maritime University, Shanghai Maritime University, detailing attractions and details.