여러 구성 요소에서 Angle4 공유 서비스 데이터 통신의 예

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

@Injectable()
export class CommonService {
 public dateList: any = [
 {
  name: "张旭超",
  age: 20,
  address: "北京市朝阳区"
 }
 ];

 constructor() {

 }

 addDateFun(data) {
 this.dateList.push(data);
 }
}

import {Component, OnInit} from "@angular/core";
import {CommonService} from "./common.service";

// 这里要通过父子公用服务来操作数据，只需要在父组件中引入服务。
@Component({
 selector: "parent-tag",
 templateUrl: "parent.component.html",
 providers: [
 CommonService
 ]
})
export class ParentComponent implements OnInit {
 public list: any = [];

 constructor(private commonService: CommonService) {
 this.list = commonService.dateList;
 }

 ngOnInit() {

 }
}