父组件

export class AppComponent {
title = 'my-App';
sendchildMsg = '这是给子元素的数据,希望在子组件中显示';
}

父组件视图

<app-child [item]="sendchildMsg"></app-child>

配置子组件:导入Input,导入item

import { Component, OnInit, Input } from '@angular/core';

@Component({
selector: 'app-child',
templateUrl: './child.component.html',
styleUrls: ['./child.component.scss']
})
export class ChildComponent implements OnInit {
@Input() item: any;
constructor() { }

ngOnInit(): void {
}

}

子组件视图

h1>{{item}}</h1>

Angular 父组件给子组件传值_数据