<div class="panel-body">
 <input type="text" [(ngModel)]="name">
 {{name}}
  <son [name]="name"></son>
</div>

@Component({
 selector: 'father',
 templateUrl: './father.component.html',
 styleUrls: ['./father.component.scss']
})
export class FatherComponent implements OnInit {
 public name:string;
 constructor() { }
 ngOnInit() {
 console.log("父组件ngOninit");
 }
 ngOnchanges(){
 console.log("父组件ngonchanges");
 }
 ngDoCheck (){
 console.log("父组件ngDocheck")
 }
 ngAfterContentInit(){
 console.log("父组件ngAfterContentInit")
 }
 ngAfterContentChecked(){
 console.log("父组件ngAfterContentChecked")
 }
 ngAfterViewInit(){
 console.log("父组件ngAfterViewInit")
 }
 ngAfterViewChecked(){
 console.log("父组件ngAfterViewChecked")
 }
}

@Component({
 selector: 'son',
 templateUrl: './son.component.html',
 styleUrls: ['./son.component.scss']
})
export class SonComponent implements OnInit {
 @Input() name:string;
 constructor() { }

 ngOnInit() {
 console.log("子组件ngOninit");
 }
 ngOnChanges (){
 console.log("子组件ngonchanges");
 }
 ngDoCheck (){
 console.log("子组件ngDocheck")
 }
 ngAfterContentInit(){
 console.log("子组件ngAfterContentInit")
 }
 ngAfterContentChecked(){
 console.log("子组件ngAfterContentChecked")
 }
 ngAfterViewInit(){
 console.log("子组件ngAfterViewInit")
 }
 ngAfterViewChecked(){
 console.log("子组件ngAfterViewChecked")
 }
 
}