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我嘗試添加圖片(使用API加載項目)爲background-image元素。但它保持Cannot read property 'url' of undefined
錯誤。雖然它實際上呈現網址。 這裏是模板側:使用帶有ngStyle的背景圖片返回undefined
<div class="col s12 m4" *ngFor="let partner of partners">
<div class="card" *ngIf='partner'>
<div class="card-image " [ngStyle]="{'background-image': 'url(' + partner?.photo['url'] + ')'}">
<a class=" btn-floating halfway-fab waves-effect waves-light blue left ">
<i class="material-icons ">shopping_cart</i>
</a>
<a class="btn-floating halfway-fab red " [routerLink]='"/dashboard/partners/edit/"+partner["id"]'>
<i class="large material-icons ">mode_edit</i>
</a>
</div>
<div class="card-content ">
<h5 class="center font-weight-400 ">{{partner.name}}</h5>
<p class="center ">{{partner.category.name}}</p>
</div>
</div>
</div>
和控制器:
export class PartnersListComponent implements OnInit {
partners: {}[] = [];
constructor(private _partnersService: PartnersService) {}
ngOnInit() {
this._partnersService.getPartners().subscribe(data => {
if (data.status == "200") {
this.partners = data.data;
}
});
}
}
實施例的數據:
category:'',
created_at:"2017-12-27 12:57:50",
deleted_at:null,
first_entry:1,
id:1,
name:"Zara",
photo:{id: 5, url: "example.jpeg"},
updated_at:"2017-12-27 12:57:50",
username:"zara-001"
確保財產的照片實際上是在您的數據存在 –
它是數據對象的一部分來自API –
我明白,但錯誤說夥伴沒有財產照片。檢查你的ngOnInit並看看 –