import { Component, OnInit } from '@angular/core'; import { Propertiy } from 'src/app/interface/propertiy-interface'; @Component({ selector: 'app-nav-demo', templateUrl: './nav-demo.component.html', styleUrls: ['./nav-demo.component.scss'] }) export class NavDemoComponent implements OnInit { navData = [ { id:'1', text:'全部' }, { id:'2', text:'待回复', disabled:true }, { id:'3', text:'已回复', num:200 }, { id:'4', text:'已回复2', num:3 } ] constructor() { } ngOnInit() { } navPicking(){ console.log('切换前'); return of(true); } navChangeHandler(event){ console.log('切换变化'); console.log(event); } }