如何在Ionic 4或Angular 7中清除历史记录或删除历史记录中的页面或组件

import { NavController } from '@ionic/angular';

constructor(private navCtrl: NavController) {}

navigateToPage() {
  this.navCtrl.navigateForward('/target-page');
}

import { Router } from '@angular/router';

constructor(private router: Router) {}

navigateToPage() {
  this.router.navigateByUrl('/target-page');
}

import { NavController } from '@ionic/angular';

constructor(private navCtrl: NavController) {}

goBack() {
  this.navCtrl.pop();
}

import { Router } from '@angular/router';

constructor(private router: Router) {}

goBack() {
  this.router.navigateByUrl('/target-page');
}

import { NavController } from '@ionic/angular';

constructor(private navCtrl: NavController) {}

navigateToPage() {
  this.navCtrl.navigateRoot('/target-page');
}

import { Router } from '@angular/router';

constructor(private router: Router) {}

navigateToPage() {
  this.router.navigate(['/target-page'], { replaceUrl: true });
}