1.4.1角UI路由器10 $摘要()的迭代时呼吁$ stateChangeStart $ state.go [英] Angular 1.4.1 UI Router 10 $digest() iterations when $state.go called on $stateChangeStart
问题描述
我有需要授权的状态。我听 $ stateChangeStart
事件,如果 toState.data.protected
键,用户没有授权我称之为即preventDefault()
和 $ state.go('登录')
。
I have a state that requires authorization. I listen to the $stateChangeStart
event and if the toState.data.protected
and the user is not authorized I call e.preventDefault()
and $state.go('login')
.
当我打开根URL应用程序,我自动重定向到保护状态。
这将导致10 $消化循环和我结束了在登录状态下,当我打开根URL的应用程序,我自动重定向到保护状态。
When I open the app in root url I'm automatically redirected to protected state. This causes 10 $digest loops and I end up in the login state when I open the app in the root url and I'm automatically redirected to a protected state.
未捕获的错误:[$ rootScope:infdig] 10 $摘要()迭代到达。中止!
看到这个plnkr: http://plnkr.co/edit/1voh7m?p = preVIEW
See this plnkr: http://plnkr.co/edit/1voh7m?p=preview
我成功地使用类似code在不同的项目中具有角1.2.26没有任何错误。
I successfully use similar code in different project with angular 1.2.26 with no errors.
举例code 角1.4.1,ui.router 0.2.15
:
//config block
$urlRouterProvider.otherwise('/main');
$stateProvider
.state('main', {
url: '/main',
templateUrl: 'main.html',
controller: 'MainController as main',
data: {'protected': true}
})
.state('login', {
url: '/login',
templateUrl: 'login.html',
controller: 'LoginController as login'
});
// in a run block
$rootScope.$on("$stateChangeStart", function (event, toState) {
if (!event.defaultPrevented && toState.data &&
toState.data.protected) {
// the user is not authorized, do not switch to state
event.preventDefault();
// go to login page
$state.go('login');
}
});
你知道是什么原因造成的循环?
Do you know what causes the loop?
我不知道的事情可能发生这样的:
I wonder if the things might be happening like this:
- 拦截过渡到main.submain状态
- 开始过渡到登录状态
- UI路由器获取信息,第一transiotion被取消了
- UI路由器运行
$ urlRouter.update()
键,开始过渡到main.submain
- Intercept the transition to main.submain state
- Start transition to login state
- UI router gets the information that the first transiotion got cancelled
- UI router runs
$urlRouter.update()
and starts transition to main.submain
编辑:简化的状态配置
推荐答案
这是UI.Router的问题 - 在Github上查看此问题:的 https://github.com/angular-ui/ui-router/issues/600
This is an issue of the UI.Router – see this issue on Github: https://github.com/angular-ui/ui-router/issues/600
基本上,如果你使用。否则('/主')
(也指出了@Grundy),那么该网址更改为 /主
时,路径不能得到解决。后 $ locationChangeSuccess
我的监听器被调用,我拒绝使用事件。preventDefault重定向()
。这导致位置改回未知路径从而使后备路径被再次使用。这会导致无限循环。解决的办法是这样的:
Basically, if you use .otherwise('/main')
(also pointed out by @Grundy) then the url is changed to /main
when the path cannot be resolved. After $locationChangeSuccess
my listener is called and I reject the redirection using event.preventDefault()
. This causes the location to change back to the unknown path thus causing the fallback path to be used again. This causes the infinite loop. The solution is this:
$urlRouterProvider.otherwise(function($injector) {
var $state = $injector.get('$state');
$state.go('main');
});
您可以说出一个都会调用与 $注射器
功能,你可以无背的往复位置变化重定向到您的主状态(或404)。 THX到Github上的球员,我应该张贴这个问题之前搜查那里。
You can state a function which gets called with $injector
and you can redirect to your main state (or 404) without back-and-forth location changes. Thx to the guys on Github, I should have searched there before posting this question.
工作普拉克: http://plnkr.co/edit/eQXaIk
这篇关于1.4.1角UI路由器10 $摘要()的迭代时呼吁$ stateChangeStart $ state.go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!