详解mpvue开发微信小程序基础知识

<scroll-view class="btns_wrap"
       scroll-x :scroll-into-view="toChildView"
       scroll-with-animation>
  <span :class="{active: currentIndex === index}"
     class="btn_scroll"
     v-for="(item, index) in allLessons"
     :key="index"
     :id="item.id"
     @click="switchItem(index)">
     {{item.name}}
  </span>
</scroll-view>