angular-cn/packages/router/PACKAGE.md

Implements the Angular Router service , which enables navigation from one view to the next as users perform application tasks.

Defines the Route object that maps a URL path to a component, and the RouterOutlet directive that you use to place a routed view in a template, as well as a complete API for configuring, querying, and controlling the router state.

Import RouterModule to use the Router service in your app. For more usage information, see the Routing and Navigation guide.