我正在尝试在页面加载时在InAppBrowser中实现IonicLoadingSpinner。这就是我正在做的:Controller:.controller('View',function($scope,$ionicLoading){ $scope.showHelp=function(url){ varref=window.open(url,'_blank','location=yes');ref.addEventListener('loadstart',function(){$ionicLoading.show();}); ref.addEventListener('loadstop