<div ng-init="num_cover_photo:new Array(4)">
<div ng-repeat="photo in num_cover_photo">
<img ng-src="cover_"{{$index}} />
</div>
</div>
<div ng-init="num_cover_photo:new Array(4)">
阅读背景：
ng-repeat而不声明对象数组
来源：互联网
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