我这样加载数据到我的材料表中:
ngOnInit(){ return this.annuairesService.getMedecins().subscribe(res => this.dataSource.data = res);}
当加载时,我希望展示旋转器: <mat-spinner></mat-spinner>
我尝试:
showSpinner: boolean = true;
ngOnInit(){ return this.annuairesService.getMedecins()
.subscribe(res => this.dataSource.data = res);
this.dataSource.subscribe(() => this.showSpinner = false }
但是我遇到了这个错误:
src/app/med-list/med-list.component.ts(54,21): error TS2339: Property 'subscribe' does not exist on type 'MatTableDataSource<{}>'.
<mat-progress-bar mode="indeterminate"></mat-progress-bar>
。 - Prem G