import { Component } from '@angular/core'; import { AlertController } from '@ionic/angular'; import { Router } from '@angular/router'; @Component({ selector: 'app-tab1', templateUrl: 'tab1.page.html', styleUrls: ['tab1.page.scss'] }) export class Tab1Page { constructor(private alertController: AlertController,private router: Router) {} async openModal() { const alert = await this.alertController.create({ header: '提示', message: '弹窗了', buttons: ['确定'] }); await alert.present(); } blueColor:boolean=false; toggleButtonColor(habit:string){ this.blueColor=!this.blueColor; } //3d圆点击事件 navigateToTreePage() { this.router.navigate(['/tabs/tree']); } }