angular.js - ng-repeat嵌套循环出来的ul li,如何做到默认显示第一条Li是有样式,当前被点击的li有样式其他的li则无样式?
我想大声告诉你
我想大声告诉你 2017-05-15 17:08:27
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提问:我用ng-repeat循环出来的数据,如何做到 :1、打开页面的时候,默认显示第一个li是有样式的? 2、当前被点击的li有样式,其他的li则无样式?
以下是html代码图:

<ul ng-repeat="u in pinpaiData" class="product_box">

<li ng-repeat="c in u.goods"  class="defaultClass" ng-click="twoClick($index)" >{{c.goods_name}}</li>
       </ul>
我想大声告诉你
我想大声告诉你

reply all(1)
阿神

Use ng-class to create a chosenIndex variable in $scope to store the index of the currently selected li. The default is 0. Assume that the selected class is called chosenClass.

<li ng-repeat="c in u.goods"  ng-class {"defaultClass":$index !=chosedIndex,'chosenClass':$index ==chosedIndex} 
ng-click="twoClick($index)" >{{c.goods_name}}</li>


----------
$scope.chosedIndex = 0;//默认是0使第一个有样式
$scope.twoClick = function(index){
    //保存点击的li位置
    $scope.chosedIndex = index;
}
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