角度 $rootScope.$on 未定义 [英] Angular $rootScope.$on Undefined

问题描述

我在控制器中有以下内容.

I have the following in a controller.

$rootScope.$on('progressbarEvent', function (event, data) {
    $rootScope.progresscurrent = data.currentprogress;
    console.log('Event listening: ' + $rootScope.progresscurrent);
});

I have this in a factory service.
   $rootScope.$emit('progressbarEvent', dataFactory.currentprogress);

$on 返回未定义.有人知道这是什么原因吗?

$on is returned undefined. Anyone knows the cause of this?

我的控制器是:

app.controller('indexcontroller', ['$rootScope','$scope', '$http', 'dataFactory',
       function ($scope,$http,$rootScope, dataFactory) {

推荐答案

依赖关系的顺序必须与它声明的数组一致:

The order of dependencies has to be consistent with the array it was declared in:

app.controller('indexcontroller', ['$rootScope','$scope', '$http', 'dataFactory',
   function ($rootScope, $scope, $http, dataFactory) {

这篇关于角度 $rootScope.$on 未定义的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！