tab 切换 ```html <div class="local-region"> <s-tab @tabClick="stabClick" :show-divider="true"> <tab-item>测试</tab-item> <tab-item>你好</tab-item> <tab-item>再见</tab-item> <tab-item>按钮</tab-item> </s-tab> <s-tab @tabClick="stabClick" position="bottom" cusClass='class' :default-active="2"> <tab-item><img src="../assets/image/myInfo/about@2x.png"></tab-item> <tab-item><img src="../assets/image/myInfo/version@2x.png"></tab-item> <tab-item><img src="../assets/image/myInfo/setting@2x.png"></tab-item> <tab-item><img src="../assets/image/myInfo/speak@2x.png"></tab-item> </s-tab> </div> ```