0
我有一個對象數組,我想循環通過我的模板並輸出爲卡片。我現在正在使用* ngfor,現在我想將它改爲使用collection repeat。離子收集重複不工作
這裏是我的代碼:
import { Component } from '@angular/core';
import { NavController } from 'ionic-angular';
import { TowersModel } from '../../app/models/towers-model';
@Component({
selector: 'page-towers',
templateUrl: 'towers.html'
})
export class TowersPage {
towers: any;
constructor(public navCtrl: NavController){
this.towers = [
{
"name" : "Tower 1",
"image" : "http://placehold.it/350x150"
},
{
"name" : "Tower 2",
"image" : "http://placehold.it/350x150"
},
{
"name" : "Tower 3",
"image" : "http://placehold.it/350x150"
}
];
}
}
模板:
<ion-header>
<ion-navbar>
<ion-title>
Towers
</ion-title>
</ion-navbar>
</ion-header>
<ion-content padding>
<ion-content>
<ion-card *ngFor="let tower of towers">
<img src="{{ tower.image }}" alt="{{tower.name}}">
<ion-item>
<h2>{{tower.name}}</h2>
<p>11 N. Way St, Madison, WI 53703</p>
</ion-item>
<ion-item>
<span item-left>18 min</span>
<span item-left>(2.6 mi)</span>
<button ion-button icon-left clear item-right>
<ion-icon name="navigate"></ion-icon>
Start
</button>
</ion-item>
</ion-card>
</ion-content>
</ion-content>
所以當提到這個方法工作得很好。如果我試着改變它,雖然使用收集的重複,而不是像這樣:
<ion-header>
<ion-navbar>
<ion-title>
Towers
</ion-title>
</ion-navbar>
</ion-header>
<ion-content padding>
<ion-content>
<ion-item collection-repeat="let tower of towers">
<h1>Tower {{tower.name}}</h1>
</ion-item>
</ion-content>
</ion-content>
然後我收到以下錯誤:
Runtime Error
Error in ./TowersPage class TowersPage - caused by: Cannot read property 'name' of undefined