//循环中的代码片段
<div @click="shopList == false ? tempSerial(productList, index) : ''">
<icon iconClass="arrow-up" :class="temp == index && shopList == false ? 'actives' : 'arrow-up'" ></icon>
</div>
<div @click="shopList == false ? downtempSerial(productList, index) : ''">
<icon iconClass="arrow-down" :class="temp2 == index && shopList == false ? 'actives' : 'arrow-down'" ></icon>
</div>
tempSerial(item, index) { //向上移动 item是一个数组，index是当前的索引值
this.temp = index
this.temp2 = null
if (index != 0) {
item[index] = item.splice(index - 1, 1, item[index])[0]
} else {
item.push(item.shift())
}
},
downtempSerial(item, index) {//向下移动 item是一个数组，index是当前的索引值
this.temp = null
this.temp2 = index
if (index != item.length - 1) {
item[index] = item.splice(index + 1, 1, item[index])[0]
} else {
item.unshift(item.splice(index, 1)[0])
}
},版权声明：本文为chj_2020原创文章，遵循CC 4.0 BY-SA版权协议，转载请附上原文出处链接和本声明。