3-1 给子组件一个名称
<app-content #content></app-content>
export class ContentComponent implements OnInit {public msg:string = "我是你孩儿"}
3-2 父组件中配置
import { Component,ViewChild } from '@angular/core';export class AppComponent {@ViewChild('content',{static:false}) content:any;}
<p>{{content.msg}}</p>
