ROUTER_INITIALIZER
一个代表路由器初始化器的令牌，应用引导完毕后就会调用它。
A token for the router initializer that will be called after the app is bootstrapped.
const ROUTER_INITIALIZER: InjectionToken<(compRef: ComponentRef<any>) => void>;
一个代表路由器初始化器的令牌，应用引导完毕后就会调用它。
A token for the router initializer that will be called after the app is bootstrapped.
const ROUTER_INITIALIZER: InjectionToken<(compRef: ComponentRef<any>) => void>;
