router add new API : route
combine all api under route folder into route.js
add API in route.js
combine all API under /rouet into route.js
change the syntax of getting url argument
change the name of router : Router -> Route
add button on the index
add the onclick method of the button(not completed)
complete the api:origin
fix the route location
change route controller name
get the api : origin and draw path on map
modulable, let code more clear