angular – 如何使用* ngFor迭代对象键
发布时间:2020-12-17 08:00:55 所属栏目:安全 来源:网络整理
导读:我想在Angular 2中使用* ngFor迭代[object object]。问题是对象不是对象数组而是包含更多对象的对象对象。 { "data": { "id": 834,"first_name": "GS","last_name": "Shahid","phone": "03215110224","role": null,"email": "test@example.com","picture": *
我想在Angular 2中使用* ngFor迭代[object object]。问题是对象不是对象数组而是包含更多对象的对象对象。
{ "data": { "id": 834,"first_name": "GS","last_name": "Shahid","phone": "03215110224","role": null,"email": "test@example.com","picture": **{ <-- I want to get thumb: url but not able to fetch that** "url": null,"thumb": { "url": null } },"address": "Nishtar Colony","city_id": 2,"provider": "email","uid": "test@example.com" } } 我知道我们可以使用管道来迭代对象但是我们如何能够从对象进一步迭代意味着数据 – >图片 – > thum:url。
Angular 6.0.0
https://github.com/angular/angular/blob/master/CHANGELOG.md#610-beta1-2018-06-13 介绍了一个KeyValuePipe
原版的 你可以使用管道 @Pipe({ name: 'keys',pure: false }) export class KeysPipe implements PipeTransform { transform(value: any,args: any[] = null): any { return Object.keys(value)//.map(key => value[key]); } } <div *ngFor="let key of objs | keys"> 另见How to iterate object keys using *ngFor? (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |