html页面
<button ion-button color="dark" class="button-block" (click)="showToast()">Toast提示</button>
ts文件
import { Component } from '@angular/core';
import { ToastController } from 'ionic-angular';
@Component({
selector: 'page-home',
templateUrl: 'home.html'
})
export class HomePage {
constructor(public toastCtrl: ToastController) {
}
showToast(){
let toast = this.toastCtrl.create({
message: '用户名不能为空',
duration: 3000
});
toast.present();
}
}