MyApp/src/app/modal-success/modal-success.page.html

<!-- modal-success.page.html -->
<ion-header>
  <ion-toolbar>
    <ion-buttons end>
      <ion-button (click)="dismiss()">
        <ion-icon name="close"></ion-icon>
      </ion-button>
    </ion-buttons>
  </ion-toolbar>
</ion-header>


  <div style="display:flex ;justify-content:center;width: 40%;margin:0 auto;">

    <div class="ion-text-center">
      <ion-icon name="checkmark-circle" size="large"></ion-icon>
      <h2>提交成功！</h2>
      <p>我们已经收到您的信息，将会尽快与您联系。</p>
      <p>感谢您选择我们的服务。</p>
    </div>
  </div>
  


<ion-footer>
  <ion-toolbar>
    <ion-buttons end>
      <ion-button (click)="dismiss()" expand="full" color="secondary">
        关闭
      </ion-button>
    </ion-buttons>
  </ion-toolbar>
</ion-footer>