使用[(ngModel)]="value"而不是ngModel单独使用.
[(ngModel)]="value"
ngModel
更改(ngSubmit)="onSubmit()"到(ngSubmit)="onSubmit(addMountForm)"
(ngSubmit)="onSubmit()"
(ngSubmit)="onSubmit(addMountForm)"
并在组件中
onSubmit(form: NgForm){
console.log(form.value);
}