learner/app/tab1/tab1.page.html

<ion-menu contentId="main-content">
  <ion-header>
    <ion-toolbar>
      <ion-title>菜单</ion-title>
    </ion-toolbar>
  </ion-header>
  <ion-content class="ion-padding">
    <!-- <ion-avatar>
      <img alt="Silhouette of a person's head" src="https://ionicframework.com/docs/img/demos/avatar.svg" />
    </ion-avatar> -->
  </ion-content>
</ion-menu>
<div class="ion-page" id="main-content">
  <ion-header>
    <ion-toolbar>
      <ion-buttons slot="start">
        <ion-menu-button></ion-menu-button>
      </ion-buttons>
      <ion-title>Menu</ion-title>
    </ion-toolbar>
    <!-- <ion-searchbar animated="true" placeholder="搜索"></ion-searchbar> -->
  </ion-header>
</div>