版权声明:.net/web/医疗技术的木子纵横的个人分享 https://blog.csdn.net/muzizongheng/article/details/85246858
[ngModel] 单向绑定, 从model到view
(ngModelChange) 单向绑定, 从view到model,比如click事件, (click)='onClick($event)'
[(ngModel)] 双向绑定
使用ngModel时,最好加上name属性。
例子:
@Component({
selector: 'exe-app',
template: `
<form novalidate #f="ngForm">
Name: <input type="text" name="username" [(ngModel)]="user.username">
</form>
{{ user | json }}
`,
})
export class AppComponent implements OnInit {
user: { username: string };
ngOnInit() {
this.user = { username: 'Semlinker' };
}
}