first install router via: npm install router
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<!-- language: lang-js -->
import { Routes, RouterModule } from '@angular/router';

export const router: Routes = [ { path: '', redirectTo: 'main', pathMatch: 'full'}, { path: 'main', component:AdminBodyComponent }, { path: 'admin', component:AdminComponent }, { path: 'posts',component:PostsComponent}, { path: 'addposts',component:AddPostComponent}];
export const routes: ModuleWithProviders = RouterModule.forRoot(router); step2: inject into your .ts file constructor( private router:Router, ... ) step3: this.router.navigate(['/addposts']);
step4: <base href="/">
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if you want to use specific router go for this step4:<base href="/">

first install router via: npm install router
<!-- begin snippet: js hide: false console: true babel: false -->
<!-- language: lang-js -->
import { Routes, RouterModule } from '@angular/router';

export const router: Routes = [ { path: '', redirectTo: 'main', pathMatch: 'full'}, { path: 'main', component:AdminBodyComponent }, { path: 'admin', component:AdminComponent }, { path: 'posts',component:PostsComponent}, { path: 'addposts',component:AddPostComponent}];
export const routes: ModuleWithProviders = RouterModule.forRoot(router); step2: inject into your .ts file constructor( private router:Router, ... ) step3: this.router.navigate(['/addposts']);
<!-- end snippet --> if you want to use specific router go for this step4:<base href="/">