如何在渲染之前获取Http请求响应- Angular Universal

import { HttpClientModule } from '@angular/common/http';

@NgModule({
  imports: [
    HttpClientModule
  ],
  // ...
})
export class AppModule { }

import { HttpClient } from '@angular/common/http';

export class MyComponent {
  constructor(private http: HttpClient) { }

  fetchData() {
    this.http.get('https://api.example.com/data').subscribe(response => {
      // 在这里处理HTTP响应
      console.log(response);
    });
  }
}

export class MyComponent implements OnInit {
  // ...

  ngOnInit() {
    this.fetchData();
  }
}