在不同的组件中使用相同的对象数组，如果对其中一个组件进行任何更新，将在angular 8中的其他组件中显示更新

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

@Injectable({
  providedIn: 'root'
})
export class DataSharingService {
  private objectArray: any[] = [];

  getObjectArray(): any[] {
    return this.objectArray;
  }

  updateObjectArray(updatedArray: any[]): void {
    this.objectArray = updatedArray;
  }
}

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

@Component({
  selector: 'app-component1',
  template: `
    <div *ngFor="let obj of objectArray">
      {{ obj.property }}
    </div>
  `
})
export class Component1 {
  objectArray: any[];

  constructor(private dataSharingService: DataSharingService) {
    this.objectArray = dataSharingService.getObjectArray();
  }
}

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

@Component({
  selector: 'app-component2',
  template: `
    <div *ngFor="let obj of objectArray">
      {{ obj.property }}
    </div>
  `
})
export class Component2 {
  objectArray: any[];

  constructor(private dataSharingService: DataSharingService) {
    this.objectArray = dataSharingService.getObjectArray();
  }
}

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

@Component({
  selector: 'app-component1',
  template: `
    <button (click)="updateArray()">更新数组</button>
  `
})
export class Component1 {
  constructor(private dataSharingService: DataSharingService) {}

  updateArray(): void {
    const updatedArray = [...this.dataSharingService.getObjectArray()];
    // 对数组进行更新操作
    this.dataSharingService.updateObjectArray(updatedArray);
  }
}