Introduction - If you have any usage issues, please Google them yourself
Tourist traffic query system: functions: Train information query, shortest path query, train information editing, read into modifying information, view train information, view city information. Each function and some small features, such as train information inquiries: press trips inquiries, departure and destination query (of which there are the fastest, cheapest, select all) a transit point for queries, view train information The train also includes information editing: add train information, delete the information of the train to see the train information, save train information.