小编B.V*_*mar的帖子

import {Component} from '@angular/core';

@Component({
	selector: 'app',
	template: `
	  
    <ul *ngFor="let locdata of locations">
   
     <template ngFor let-item [ngForOf]="items"; let-i=index>
          <div *ngIf="item.location==locdata.location">
             <div class="title"> location  {{ item.location}} <span  *ngIf="isNotFirst(item)">  remove </span> </div>
          <div class="container"> {{ item.sedule}}</div>
       </div>
      </template>
	  </ul>
	 
	`
})
export class App {
  items: string[];
  
   isNotFirst(item: any) {
      return this.items.filter(i => i.location === item.location).map(i => i.id).indexOf(item.id) !== 0;
    }
  
  locations:any;
  
  constructor() {
    this.locations=[{location:1},{location:2},{location:3}]; …