什么是设置$ rootScope的目的$状态= $状态。具有角的UI用户界面，路由器？

问题描述：

我的code有以下几点：

My code has the following:

var app = angular.module('app', ['admin', 'home', 'questions', 'ui.compat', 'ngResource', 'LocalStorageModule']);

app.run(['$rootScope', '$state', '$stateParams', function ($rootScope, $state, $stateParams) {
        $rootScope.$state = $state;
        $rootScope.$stateParams = $stateParams;
        $state.transitionTo('home');
    }]);

有人能解释什么先从$ rootScope两条线都在做。他们是否需要？

Can someone please explain what the two lines starting with $rootScope are doing. Are they needed?

答

本评论是从示例源$ C $ C采取项目github上页：

This comment is taken from example source code on projects github page:

这是非常方便的，以$状态和引用$ stateParams添加到$ rootScope
  这样就可以从你的应用程序中的任何范围访问它们。例如，
  ＆LT;李纳克级={活跃：$ state.includes（'contacts.list'）}＆GT; 将设置＆LT;李＆GT;
  为主动每当contacts.list或它decendents之一是有效的。

It's very handy to add references to $state and $stateParams to the $rootScope so that you can access them from any scope within your applications. For example, <li ng-class="{ active: $state.includes('contacts.list') }"> will set the <li> to active whenever 'contacts.list' or one of its decendents is active.

您可以检查出来这里

什么是设置$ rootScope的目的$状态= $状态。具有角的UI用户界面，路由器？

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