iv id="tab2" class="weui-tab__bd-item">
          <h1>页面二</h1>
        </div>
        <div id="tab3" class="weui-tab__bd-item">
          <h1>页面三</h1>
        </div>
        <div id="tab4" class="weui-tab__bd-item">
          <h1>页面四</h1>
        </div>
      </div>

      <div class="weui-tabbar">
        <a href="#tab1" class="weui-tabbar__item weui-bar__item--on">
          <span class="weui-badge" style="position: absolute;top: -.4em;right: 1em;">8</span>
          <div class="weui-tab