我有 4 个状态:dashboard、dahboard.main、dashboard.minor、login。 仪表板是抽象的,它是 .minor 和 .main 状态的父状态。 下面是我的代码:
.state('dashboard', {
url: "/dashboard",
abstract: true,
templateUrl: "views/dashboard.html",
resolve: {
auth: function ($q, authenticationSvc) {
var userInfo = authenticationSvc.getUserInfo();
if (userInfo) {
return $q.when(userInfo);
} else {
return $q.reject({ authenticated: false });
}
}
},
controller: "DashboardCtrl",
data: { pageTitle: 'Example view' }
})
.state('dashboard.main', {
url: "",
templateUrl: "views/main.html",
controller: "DashboardCtrl",
data: { pageTitle: 'Main view' }
})
正如您在仪表板状态中看到的,我有解析选项。通过此,如果用户未获得授权,我想将用户重定向到登录页面。因此,我使用特殊的 authenticationSvc 服务:
.factory("authenticationSvc", ["$http", "$q", "$window", function ($http, $q, $window) {
var userInfo;
function login(email, password) {
var deferred = $q.defer();
$http.post("/api/login", { email: email, password: password })
.then(function (result) {
if(result.data.error == 0) {
userInfo = {
accessToken: result.data.accessToken
};
$window.sessionStorage["userInfo"] = JSON.stringify(userInfo);
deferred.resolve(userInfo);
}
else {
deferred.reject(error);
}
}, function (error) {
deferred.reject(error);
});
return deferred.promise;
}
function getUserInfo() {
return userInfo;
}
return {
login: login,
logout: logout,
getUserInfo: getUserInfo
};
}]);
我检查配置中的身份验证值:
.run(function($rootScope, $location, $state) {
$rootScope.$state = $state;
$rootScope.$on("routeChangeSuccess", function(userInfo) {
consol.log(userInfo);
});
$rootScope.$on("routeChangeError", function(event, current, previous, eventObj) {
if(eventObj.authenticated === false) {
$state.go('login');
}
});
});
但不幸的是,当我转到网站根目录或仪表板状态时,我得到一个空页面。这段代码有什么问题?谢谢!
最佳答案
重点是,如果不需要,则不要重定向 === 如果已经重定向到预期状态。有a working plunker具有类似的解决方案
.run(function($rootScope, $location, $state, authenticationSvc) {
$rootScope.$on( '$stateChangeStart', function(e, toState , toParams
, fromState, fromParams) {
var isLogin = toState.name === "login";
if(isLogin){
return; // no need to redirect
}
// now, redirect only not authenticated
var userInfo = authenticationSvc.getUserInfo();
if(userInfo.authenticated === false) {
e.preventDefault(); // stop current execution
$state.go('login'); // go to login
}
});
});
检查这些类似的解释:
关于Angularjs ui 路由器。如何重定向到登录页面,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/27212182/