Introduction - If you have any usage issues, please Google them yourself
problem description
When a user goes from point a to point b, there are different modes of transportation and different routes due to different demands. Some people want to arrive at the fastest speed, some people want to arrive at the shortest distance, some people want to use the least cost and so on. There are buses and subways. Compile a Beijing bus line inquiry system, provide users with three or more kinds of traffic consultation by entering the starting station and the terminal station.