2017-06-21 48 views

回答

0

我已经做到了这一点,并且对我的作品

export class TabComponent implements OnInit { 
    private tabs = { 
    selectedIndex: 0 
    }; 
    constructor() { } 

    ngOnInit() { 
    this.getData(0); 
    } 

    selectChange($event: MdTabChangeEvent) { 
    this.getData($event.index); 
    } 

    getData(index) { 
    Observable 
    .create(observer => setTimeout(() => observer.next(index), 0)) 
    .subscribe(index => { 
     this.tabs[index] = true; 
    }); 
    } 
}