如何使用v-for通過vue.js渲染表

Question

我有一個看起來像這樣的數組：

sales = [
 [{'Year': 2018, 'Month': 01, 'Sale'; 512}, {'Year': 2018, 'Month': 02, 'Sale'; 1025}, ....],
 [{'Year': 2017, 'Month': 01, 'Sale'; 155}, {'Year': 2017, 'Month': 02, 'Sale'; 12}, ....]
]

我想用vue在表中顯示它：

<table class="table table-striped">
  <thead>
    <tr>
      <th>#</th>
      <th>2018</th>
      <th>2017</th>
    </tr>
  </thead>
  <tbody>
    <tr v-for="(sale,i) in sales" :key="i">
       <th scope="row">{{ ??? }}</th> //Month
       <td>{{ ??? }}</td> //currentYear.Sale
       <td>{{ ??? }}</td> //previousYear.Sale
    </tr>
   </tbody>
</table>

不幸的是，我不知道如何遍歷銷售數組以顯示本年度和上一年的每個表行銷售額。

Answer 1

<div id="app">
  <table class="table table-striped">
  <thead>
    <tr>
      <th>#</th>
      <th>2018</th>
      <th>2017</th>
    </tr>
  </thead>
  <tbody>
    <tr v-for="(sale,i) in sales[0]" :key="i">
       <th scope="row">{{ sale.Month  }}</th>  
       <td>{{ sale.Sale }}</td> 
       <td>{{ sales[1][i].Sale }}</td>  
    </tr>
   </tbody>
</table>
</div>

new Vue({
  el: "#app",
  data: {
    sales: [
        [{'Year': 2018, 'Month': 01, 'Sale': 512}, {'Year': 2018, 'Month': 02, 'Sale': 1025}],
            [{'Year': 2017, 'Month': 01, 'Sale': 155}, {'Year': 2017, 'Month': 02, 'Sale': 12}]
    ]
  } 
})

范例https://jsfiddle.net/mcqwtdgr/