ionic -如何在屏幕上显示来自服务的信息

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

@Injectable({
  providedIn: 'root'
})
export class DataService {
  constructor(private http: HttpClient) { }

  getData() {
    return this.http.get('https://example.com/api/data');
  }
}

import { Component, OnInit } from '@angular/core';
import { DataService } from '../services/data.service';

@Component({
  selector: 'app-home',
  templateUrl: './home.page.html',
  styleUrls: ['./home.page.scss'],
})
export class HomePage implements OnInit {
  data: any;

  constructor(private dataService: DataService) { }

  ngOnInit() {
    this.dataService.getData().subscribe((response) => {
      this.data = response;
    });
  }
}

<ion-header>
  <ion-toolbar>
    <ion-title>
      Ionic App
    </ion-title>
  </ion-toolbar>
</ion-header>

<ion-content>
  <ion-list>
    <ion-item *ngFor="let item of data">
      {{ item.name }}
    </ion-item>
  </ion-list>
</ion-content>