proposal.html

<ion-header>

  <ion-navbar>
    <ion-title>对于系统的建议</ion-title>
  </ion-navbar>

</ion-header>


<ion-content>
  <div class="padding-10">
    <textarea placeholder="写下您的意见或建议" [(ngModel)]="content" class="content-textarea"></textarea>
  </div>
  <button class="submit-btn submit" (click)="submit()">提交</button>
</ion-content>