在angular ui日期选择器中禁用今天之前的日期

npm install angular-ui-bootstrap

import { NgbModule } from '@ng-bootstrap/ng-bootstrap';

@NgModule({
  imports: [NgbModule]
})
export class YourModule { }

<ngb-datepicker [(ngModel)]="selectedDate" [minDate]="minDate"></ngb-datepicker>

import { Component } from '@angular/core';
import { NgbDateStruct } from '@ng-bootstrap/ng-bootstrap';

@Component({
  selector: 'app-your-component',
  templateUrl: './your-component.component.html',
  styleUrls: ['./your-component.component.css']
})
export class YourComponent {
  selectedDate: NgbDateStruct;
  minDate: NgbDateStruct;

  constructor() {
    const today = new Date();
    this.minDate = { year: today.getFullYear(), month: today.getMonth() + 1, day: today.getDate() };
  }
}