<!-- 訂單列表 -->
<div id="order-list" ref="scrollWrap">
 <ul v-if="orderLists.length > 0">
  <li v-for="(orderList,index) in orderLists" :key="index">
   <div class="order-info"> 訂單信息 </div>
   </li>
 </ul>
 <div class="no-orders" v-else>
  <p>最近沒有訂單</p>
 </div>
</div>

// init better scroll
initScroll() {
 let self = this;
 if (!this.scroll) {
  this.scroll = new BScroll(self.$refs.scrollWrap, {
   bounceTime: 200,
   click: true,
   mouseWheel: true,
   scrollbar: { // 滾動條
    fade: true,
   },
  pullUpLoad: { // 上拉加載
   threshold: -40,
  }
  })
 } else {
 this.scroll.refresh();
 }
 this.scroll.on('pullingUp', () => {
 if(this.orderLists.length%10 == 0) { 
  // 判斷是否還有訂單，但沒有考慮用戶有10的整倍數(shù)條訂單的情況
  this.orderSize += 10;
  this.resentOrders();
  return;
 } else {
  Toast("沒有更多了")
 }
 })
},

<!-- 訂單列表 -->
<div id="order-list" ref="scrollWrap">
 <ul v-show="orderLists.length > 0">
  <li v-for="(orderList,index) in orderLists" :key="index">
   <div class="order-info"> 訂單信息 </div>
  </li>
 </ul>
 <div class="no-orders" v-show="orderLists.length === 0" >
  <p>最近沒有訂單</p>
 </div>
</div>