链接到Angular 9中不同页面的具体内容

// app-routing.module.ts

import { NgModule } from '@angular/core';
import { Routes, RouterModule } from '@angular/router';

import { HomeComponent } from './home.component';
import { AboutComponent } from './about.component';
import { ContactComponent } from './contact.component';

const routes: Routes = [
  { path: '', component: HomeComponent },
  { path: 'about', component: AboutComponent },
  { path: 'contact', component: ContactComponent }
];

@NgModule({
  imports: [RouterModule.forRoot(routes)],
  exports: [RouterModule]
})
export class AppRoutingModule { }

// app.module.ts

import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';

import { AppRoutingModule } from './app-routing.module';
import { AppComponent } from './app.component';
import { HomeComponent } from './home.component';
import { AboutComponent } from './about.component';
import { ContactComponent } from './contact.component';

@NgModule({
  declarations: [
    AppComponent,
    HomeComponent,
    AboutComponent,
    ContactComponent
  ],
  imports: [
    BrowserModule,
    AppRoutingModule
  ],
  providers: [],
  bootstrap: [AppComponent]
})
export class AppModule { }

<!-- app.component.html -->

<nav>
  <a routerLink="/">Home</a>
  <a routerLink="/about">About</a>
  <a routerLink="/contact">Contact</a>
</nav>

<router-outlet></router-outlet>

// home.component.ts

import { Component } from '@angular/core';

@Component({
  selector: 'app-home',
  template: '<h1>Home Page</h1>'
})
export class HomeComponent { }

// about.component.ts

import { Component } from '@angular/core';

@Component({
  selector: 'app-about',
  template: '<h1>About Page</h1>'
})
export class AboutComponent { }

// contact.component.ts

import { Component } from '@angular/core';

@Component({
  selector: 'app-contact',
  template: '<h1>Contact Page</h1>'
})
export class ContactComponent { }