Javascript Angularjs错误:null不是对象(计算';a.$current.locals[l]';)
我设置了一个angular项目,当用户转到Javascript Angularjs错误:null不是对象(计算';a.$current.locals[l]';),javascript,angularjs,local-storage,angular-ui-router,Javascript,Angularjs,Local Storage,Angular Ui Router,我设置了一个angular项目,当用户转到/cloud并且他们没有登录(isLoggedIn()返回失败)时,它会重定向到/login。然后,如果他们登录并转到/login,它会将他们重定向回/cloud 但是,当我单击“注销”按钮清除本地存储时,出现以下错误(一切仍然正常): 错误:null不是对象(正在计算“a.$current.locals[l]”) 根据我的日志,这似乎发生在我的注销控制器的oneter上 我是个新手,所以任何建议或指导都将不胜感激 var routerApp = ang
/cloud
并且他们没有登录(isLoggedIn()
返回失败)时,它会重定向到/login
。然后,如果他们登录并转到/login
,它会将他们重定向回/cloud
但是,当我单击“注销”按钮清除本地存储时,出现以下错误(一切仍然正常):
错误:null不是对象(正在计算“a.$current.locals[l]”)
根据我的日志,这似乎发生在我的注销控制器的oneter
上
我是个新手,所以任何建议或指导都将不胜感激
var routerApp = angular.module('myapp', ['ui.router'])
//config for state changes
.factory('Auth', function($http, $state, $q) {
var factory = { isLoggedIn: isLoggedIn };
return factory;
function isLoggedIn(token) {
return $http.post('/auth/session', {token:token});
}
})
.config(function($stateProvider, $urlRouterProvider, $locationProvider) {
$locationProvider.html5Mode(true);
$urlRouterProvider.otherwise('/cloud');
var authenticated = ['$q', 'Auth', '$rootScope', function ($q, Auth, $rootScope) {
var deferred = $q.defer();
if (typeof window.localStorage['authtoken'] === 'undefined') {
var authtoken = undefined;
} else {
var authtoken = window.localStorage['authtoken'];
}
Auth.isLoggedIn(authtoken).then(function() {
deferred.resolve();
}, function() {
deferred.reject();
});
return deferred.promise;
}];
var authGuest = ['$q', 'Auth', '$rootScope', function ($q, Auth, $rootScope) {
var deferred = $q.defer();
if (typeof window.localStorage['authtoken'] === 'undefined') {
var authtoken = undefined;
} else {
var authtoken = window.localStorage['authtoken'];
}
Auth.isLoggedIn(authtoken).then(function() {
deferred.reject();
}, function() {
deferred.resolve();
});
return deferred.promise;
}];
$stateProvider
.state('login', {
url: '/login',
templateUrl: 'pages/templates/login.html',
resolve: { authenticated: authGuest }
})
.state('logout', { url: '/logout', onEnter: function($state) { localStorage.clear(); $state.go('login'); } })
.state('cloud', {
url: '/cloud',
templateUrl: 'pages/templates/cloud.html',
resolve: { authenticated: authenticated }
})
})
.run(function ($rootScope, $state) {
$rootScope.$on('$stateChangeError', function (event, from, error) {
if(from.name == "login") {
$state.go('cloud');
} else {
$state.go('login');
}
});
});
问题似乎在这里:
var authenticated = ['$q', 'Auth', '$rootScope', function ($q, Auth, $rootScope) {
var deferred = $q.defer();
if (typeof window.localStorage['authtoken'] === 'undefined') {
var authtoken = undefined;
} else {
var authtoken = window.localStorage['authtoken'];
}
Auth.isLoggedIn(authtoken).then(function() {
deferred.resolve();
}, function() {
deferred.reject();
});
return deferred.promise;
}];
此功能仅在配置上运行一次。承诺一旦解决,将继续解析为相同的值,而不管LocalStorage
。每次你
resolve: { authenticated: authenticated }
您将在配置
步骤中返回已验证的值
相反,添加一个控制器来定义函数以请求每种类型的状态
.controller('AuthenticationController', function($scope, '$q', Auth, '$rootScope') {
$scope.authenticated = function () {
var deferred = $q.defer();
if (typeof window.localStorage['authtoken'] === 'undefined') {
var authtoken = undefined;
} else {
var authtoken = window.localStorage['authtoken'];
}
Auth.isLoggedIn(authtoken).then(function() {
deferred.resolve();
}, function() {
deferred.reject();
});
return deferred.promise;
};
$scope.authGuest = function ($scope, '$q', Auth, '$rootScope') {
....
return deferred.promise;
};
});
然后,在路由配置中:
.state('login', {
url: '/login',
templateUrl: 'pages/templates/login.html',
controller: 'AuthenticationController'
resolve: { authenticated: $scope.authGuest() }
})
.state('cloud', {
url: '/cloud',
templateUrl: 'pages/templates/cloud.html',
resolve: { authenticated: $scope.authenticated()}
})
现在,每次你都要做出新的承诺
免责声明:在没有可用版本的情况下,我编写此代码是为了演示。它应该被当作一个伪代码来引导正确的方向 请参阅并尝试onEnter:function($state,$window){$window.localStorage.clear();$state.go('login');}