<!--The content below is only a placeholder and can be replaced.-->
<div style="text-align:center">
<h1>
Welcome to {{ title }}
</h1>
<h1>循环数据 显示数据的索引(key)</h1>
<ul>
<li *ngFor="let item of list;let key=index;">
{{key}}---{{item.title}}
</li>
</ul>
</div>
<router-outlet></router-outlet>
import { Component } from '@angular/core';
@Component({
selector: 'app-root',
templateUrl: './app.component.html',
styleUrls: ['./app.component.scss']
})
export class AppComponent {
title = 'Angulardemo';
public list:any[]=[
{
"title":'我是数据1'
},
{
"title":'我是数据2'
},
{
"title":'我是数据3'
}
];
}