在ionic中从JSON获取数据

[
  {
    "id": 1,
    "name": "Apple",
    "price": 1.99
  },
  {
    "id": 2,
    "name": "Banana",
    "price": 0.99
  },
  {
    "id": 3,
    "name": "Orange",
    "price": 0.79
  }
]

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

@Injectable({
  providedIn: 'root'
})
export class DataService {
  private apiUrl = 'assets/data.json'; // JSON文件路径

  constructor(private http: HttpClient) { }

  getData(): Observable<any> {
    return this.http.get<any>(this.apiUrl);
  }
}

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(data => {
      this.data = data;
    });
  }
}

<ion-content>
  <ion-list>
    <ion-item *ngFor="let item of data">
      <ion-label>{{ item.name }}</ion-label>
      <ion-note slot="end">{{ item.price }}</ion-note>
    </ion-item>
  </ion-list>
</ion-content>