AngularJS:如何将ngRepeat指令与数组和子数组一起使用
AngularJS: How to use the ngRepeat directive together with arrays and subarrays?
假设存在一个类别数组。在这个数组中,对于每个类别,有一个可变数量的图像。此外,每个图像都有一个路径子数组,用于每个图像的不同大小。下面是一个例子。
$scope.categories = [
{ "id": 1, "name": "Fashion", "images": [
{ "id": 1, "paths": [
{ "id": 1, "pathThumb":"thumbnail_A.jpg"},
{ "id": 2, "pathFull":"full_size_A.jpg"}
]}
]},
{ "id": 2, "name": "Sunsets", "images": [
{ "id": 1, "paths": [
{ "id": 1, "pathThumb":"thumbnail_B.jpg"}
{ "id": 2, "pathFull":"full_size_B.jpg"}
]},
{ "id": 2, "paths": [
{ "id": 1, "pathThumb":"thumbnail_C.jpg"}
{ "id": 2, "pathFull":"full_size_C.jpg"}
]}
]}
];
我想使用AngularJS的ngRepeat指令循环遍历上述数据以生成以下
<div class="item fashion">
<a href="full_size_A.jpg"><img src="thumbnail_A.jpg"></a>
</div>
<div class="item sunset">
<a href="full_size_B.jpg"><img src="thumbnail_B.jpg"></a>
</div>
<div class="item sunset">
<a href="full_size_C.jpg"><img src="thumbnail_C.jpg"></a>
</div>
我假设它看起来像这样:
<div class="item {{category.name}}" ng-repeat="...">
<a href="{{category.image.path.pathFull}}"><img src="{{category.image.path.pathThumb}}"></a>
</div>
我不知道如何循环通过一个数组与子数组和提取适当的数据。
使用like:
<div ng-repeat="item in categories">
<div ng-repeat="image in item.images">
<a ng-href="{{image.paths[1].pathFull}}">
<img ng-src="{{image.paths[0].pathThumb}}">
</a>
</div>
</div>
您应该使用包装器容器来获得类别的子数组。