Mui 激活底部导航状态
mui是通过mui-active的class属性来激活选中状态，例如： <router-link class="mui-tab-item mui-active" :to="{name:'member'}"> <span class="mui-icon icon-myhuiyuan"></span> …
mui是通过mui-active的class属性来激活选中状态，例如： <router-link class="mui-tab-item mui-active" :to="{name:'member'}"> <span class="mui-icon icon-myhuiyuan"></span> …