<template>
<div>
<table border style="width: 800px">
<thead>
<tr>
<th>名称</th>
<th>数量</th>
<th>单价</th>
<th>操作</th>
</tr>
</thead>
<tbody>
<tr :key="index" v-for="(item, index) in data">
<td align="center">{
{ item.name }}</td>
<td align="center">
<button @click="addAndSub(item, false)">-</button>{
{ item.num
}}<button @click="addAndSub(item, true)">+</button>
</td>
<td align="center">{
{item.num *item.price }}</td>
<td align="center"><button @click="del(index)">删除</button></td>
</tr>
</tbody>
<tfoot>
<td></td>
<td></td>