ngrx效果-组合两个API

import { Injectable } from '@angular/core';
import { Actions, createEffect, ofType } from '@ngrx/effects';
import { mergeMap, map } from 'rxjs/operators';
import { ApiService } from 'your-api-service';

@Injectable()
export class MyEffects {
  effect1$ = createEffect(() =>
    this.actions$.pipe(
      ofType('ACTION_1'), // 监听名为"ACTION_1"的动作
      mergeMap(() =>
        this.apiService.callApi1().pipe(
          map(result => ({ type: 'API_1_SUCCESS', payload: result })) // 派发一个新的动作，携带API调用结果
        )
      )
    )
  );

  effect2$ = createEffect(() =>
    this.actions$.pipe(
      ofType('ACTION_2'), // 监听名为"ACTION_2"的动作
      mergeMap(() =>
        this.apiService.callApi2().pipe(
          map(result => ({ type: 'API_2_SUCCESS', payload: result })) // 派发一个新的动作，携带API调用结果
        )
      )
    )
  );

  constructor(private actions$: Actions, private apiService: ApiService) {}
}