javascript - AngularJS错误: $interpolate:interr Interpolation Error with $routeParams

Question

我正在尝试将动态链接从 json 加载到我的 iframe 模板中。当我加载 iframe 页面时，会弹出此错误。我真的不知道为什么。这是我第一次看到这个错误。下面是代码。

Controller

app.controller('apps', [
'$scope', 
'$http', 
'contentService',
'gotoService',
'getIndex', 
'$routeParams', function($scope, $http, contentService, gotoService,  getIndex, $routeParams){
 contentService.then(function(data){
    $scope.data = data;   // access all data
    $scope.appsList = $scope.data.appsList;  // list of shortcuts

    // change url to links
    $scope.goTo= function(url){
        gotoService.getLink(url);
    }

    // get index
    $scope.getIndex = function(index){
        getIndex.current(index);
    }

    // embed in iframe
    $scope.link = function(){
        $scope.indexRoute = $routeParams.index;
       return $scope.appsList[$scope.indexRoute].url;
    }
});

}]);

iframe 模板

<iframe ng-controller="apps" ng-src="{{link()}}" width="800"   height="600">
</iframe>

应用程序图标模板

<div class="apps-background" ng-click="goTo(a.link+'/'+$index); getIndex($index);" ng-style="{'background-image':'url({{a.image}})', 'background-repeat': 'no-repeat', 'background-size': 'cover'}">

Answer 1

您不能在 ng-style 指令表达式中包含插值指令，您需要像下面这样更正它。

<div class="apps-background" 
  ng-click="goTo(a.link+'/'+$index); getIndex($index);" 
  ng-style="{'background-image': 'url('+ a.image + ')', 'background-repeat': 'no-repeat', 'background-size': 'cover'}">

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