title: After using Angular2+ RouteReuseStrategy, how to call a method in return to cache components to update part?
body: <p>I have a list page, and click a column to enter the details page. Edit and return. Because using RouteReuseStrategy, it can maintain the list page of the scene remains the same. But I'd like to partially update, However, I don't know how to trigger it.</p>
  
  <p>Here is my RouteReuseStrategy service and most of the same.</p>
  
  <pre><code>export class SimpleReuseStrategy implements RouteReuseStrategy {
  
  _cacheRouters: { [key: string]: any } = {};
  
  shouldDetach(route: ActivatedRouteSnapshot): boolean {
      return true;
  }
  store(route: ActivatedRouteSnapshot, handle: DetachedRouteHandle): void {
      this._cacheRouters[route.routeConfig.path] = {
          snapshot: route,
          handle: handle
      };
  }
  shouldAttach(route: ActivatedRouteSnapshot): boolean {
      return !!this._cacheRouters[route.routeConfig.path];
  }
  retrieve(route: ActivatedRouteSnapshot): DetachedRouteHandle {
      return this._cacheRouters[route.routeConfig.path].handle;
  }
  shouldReuseRoute(future: ActivatedRouteSnapshot, curr: 
  ActivatedRouteSnapshot): boolean {
      return future.routeConfig === curr.routeConfig;
  }
  }
  </code></pre>