app-more-setting.component.html

<ion-card style="margin: 0;border-radius: 0;">
  <ion-card-content style="padding:0;">
    <ion-list>
      <ion-item lines="inset" href="javascript:;" (click)="changeAppTheme()">
        <ion-label>
          <h2><span style="margin-right:5px;"><ion-icon name="switch"></ion-icon></span>更换主题</h2>
        </ion-label>
      </ion-item>
      <ion-item lines="inset" href="javascript:;" (click)="logout()">
        <ion-label>
          <h2><span style="margin-right:5px;"><ion-icon name="power"></ion-icon></span>退出账户</h2>
        </ion-label>
      </ion-item>
      <ion-item lines="inset" href="javascript:;">
        <ion-label>
          <h2><span style="margin-right:5px;"><ion-icon name="settings"></ion-icon></span>更多设置</h2>
        </ion-label>
      </ion-item>
    </ion-list>
  </ion-card-content>
</ion-card>