工作我已經有「查看詳細」功能在我的角度應用工作的問題。這很簡單,但我無法獲得我點擊某個新聞的詳細信息的價值。這是它的工作原理,首先,你有一個新聞列表,每個新聞都有一個「查看」按鈕,可以將你重定向到一個新頁面。我如何顯示某個新聞的詳細信息的價值?問題是,在新聞detail.component.ts使「查看詳細」在角2/4
news.service.ts
@Injectable()
export class NewsService {
constructor(private httpClient: HttpClient) {
}
getAllNews() {
const authToken = localStorage.getItem('auth_token');
const headers = new HttpHeaders()
.set('Content-Type', 'application/json')
.set('Authorization', `Bearer ${authToken}`);
return this.httpClient
.get('http://sample/news/', { headers: headers })
.map(
(response => response));
}
getNews(index: number) {
}
}
新聞list.component.ts
<div class="card" *ngFor="let newslist of newslists">
<div class="card-header"> <button class=" btn btn-danger pull-right" style="cursor: pointer;" (click)="onViewNewsDetail(newslist.id)">View</button>
{{newslist.category}}
</div>
<div class="card-body">
{{newslist.title}}
</div>
</div>
的新聞列表.component.ts
export class NewsListComponent implements OnInit {
newslists: any;
constructor(private newsService: NewsService, private router: Router, private route: ActivatedRoute) { }
ngOnInit() {
this.newsService.getAllNews()
.subscribe(
(data:any) => {
console.log(data);
this.newslists = data.data.data;
console.log(this.newslists);
},
error => {
alert("ERROR");
});
}
onViewNewsDetail(id: number){
console.log(id);
this.router.navigate(['news', id]);
}
}
新聞detail.component.ts
export class NewsDetailComponent implements OnInit {
id: number;
news: number;
constructor(private route: ActivatedRoute,
private router: Router,
private newsService: NewsService) { }
ngOnInit() {
this.route.params
.subscribe((params: Params) => {
this.id = +params['id'];
// this.news = this.newsService.getNews(this.id);
});
}
}
做到像你已經完成了getAllNews? – Kyrsberg
@Kyrsberg。如何過濾它? getAllNews將顯示新聞列表。我想顯示被點擊的具體新聞的詳細信息。 – Joseph
查詢單條新聞沒有端點嗎?像這樣的'this.httpClient.get('http:// sample/news/$ {id}')' – Kyrsberg