AngularJS ng-click未使用{{$ index}}调用

时间:2013-01-30 03:34:02

标签: angularjs angularjs-directive

出于某种原因,当在ng-click中使用{{$ index}}时,AngularJS不会触发事件。

我的HTML

<div ng-controller="Ctrl">
  <ul>
    <li ng-repeat="foo in foos">
     <label>{{foo.name}}</label>
     <a href="#" ng-click="remove({{$index}})">X (doesnt work)</a>
     <a href="#" ng-click="remove(0)">Remove first element (works)</a>
    </li>
  </ul>
 </div>

jsfiddle: http://jsfiddle.net/Lcasg/3/

任何人都知道如何解决这个问题?感谢

3 个答案:

答案 0 :(得分:21)

ng-click属性的值被评估为角度表达式,因此只需使用remove($index)

答案 1 :(得分:3)

解决!

<div ng-repeat="idiomax in textos.idiomas ">
    <div class="idioma"  ng-click="cambiaridioma($index)" ng-class="idioma != $index || 'idioma-activo'" > 
    {{idiomax.idioma}}
    </div>
</div>
$scope.cambiaridioma = function (indice) {
        $scope.idioma = indice;

    }

答案 2 :(得分:0)

我必须在字符串表达式中使用$index,这是这样的:

HTML

<button ng-click="showUserStories($event, '#modal-id-prefix-' + $index)">Show Modal</button>

脚本

$scope.showUserStories = function(event, modalId) {
        $(modalId).modal("show");
        event.stopPropagation();
    }