各种ng-repeat中的两个$ index

Question

我可以有两个ng-repeat和两个"按索引追踪".例如:

<div ng-repeat="car in cars track by $index">
  <div ng-repeat="wheel in car track by $index">
  </div>
</div>

第一个是$ index,是否在第二次重复？

Answer 1

你可以这样做

<div ng-repeat="(carIndex,car) in cars">
   <div ng-repeat="(wheelIndex,wheel) in car">
   </div>
</div>