子衿沉夜
app.html<select [(ngModel)]="comId"><option [value]="c.id" *ngFor="let c of comIdList">{{c.name}}</option></select><div><label *ngFor="let t of typeList"><input type="radio" (change)="type=t.id" name="type" [checked]="type===t.id">{{t.name}}</label></div>app.component.ts@Component({selector: 'app',templateUrl: 'src/app.html'})export class AppComponent implements OnInit {comIdList:any = [{id: 1, name: '中国公司'},{id: 2, name: '美国公司'},{id: 3, name: '德国公司'}];typeList:any = [{id: 1, name: '类型A'},{id: 2, name: '类型B'}];comId:number;type:number;constructor() {}ngOnInit() {setTimeout(()=> {this.comId = 3;this.type = 2;}, 1000);}}