Question

我正在尝试在用户登录后关闭一个功能。我尝试将广播包装在一个计时器中，因为我看到有人建议它，但它似乎没有起作用。有些人遇到的问题是他们的控制器还没有初始化，但我在app.run中有$ on，所以应该已经发生了。

app.run(['$rootScope', '$http', '$cookies', '$cookieStore', function ($rootScope, $http, $cookies, $cookieStore) {

$rootScope.logout = function () {

    $http.post('API' + '/api/Account/Logout')
        .success(function (data, status, headers, config) {
            $http.defaults.headers.common.Authorization = null;
            $http.defaults.headers.common.RefreshToken = null;
            $cookieStore.remove('_Token');
            $cookieStore.remove('_RefreshToken');
            $rootScope.username = '';
            $rootScope.loggedIn = false;
            window.location = '#/signin';
        });

}

$rootScope.$on('loggedIn', function (event) {
    if ($http.defaults.headers.common.RefreshToken != null) {
        var params = "grant_type=refresh_token&refresh_token=" + $http.defaults.headers.common.RefreshToken;
        $http({
            url: 'http://localhost:52644/Token',
            method: "POST",
            headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
            data: params
        })
        .success(function (data, status, headers, config) {
            $http.defaults.headers.common.Authorization = "Bearer " + data.access_token;
            $http.defaults.headers.common.RefreshToken = data.refresh_token;

            $cookieStore.put('_Token', data.access_token);
            $cookieStore.put('_RefreshToken', data.refresh_token);

            $http.get('http://localhost:52644/api/Account/GetUserInfo')
                .success(function (data, status, headers, config) {
                    if (data != "null") {
                        $rootScope.userEmail = data.replace(/["']{1}/gi, "");//Remove any quotes from the username before pushing it out.
                        $rootScope.userFirstName = data.FirstName;
                        $rootScope.loggedIn = true;
                    }
                    else
                        $rootScope.loggedIn = false;
                });


        })
        .error(function (data, status, headers, config) {
            $rootScope.loggedIn = false;
        });
    }
});

}]）;

app.controller('signInCtrl', ['$scope', '$rootScope', '$http', '$cookies', '$cookieStore', '$location', '$routeParams', '$uibModalInstance', '$timeout' ,function ($scope, $rootScope, $http, $cookies, $cookieStore, $location, $routeParams, $uibModalInstance, $timeout) {
$scope.message = $routeParams.message;
$scope.signIn = function () {
    $scope.showMessage = false;
    var params = "grant_type=password&username=" + $scope.username + "&password=" + $scope.password;
    $http({
        url: 'http://localhost:52644/token',
        method: "POST",
        headers: {
            'Content-Type': 'application/x-www-form-urlencoded'
        },
        data: params
    })
    //$http.post('http://localhost:52644/token', params, {
    //    headers: {
    //        'Content-Type': 'application/x-www-form-urlencoded'

    //    }
    .success(function (data, status,
        s, config) {
        $http.defaults.headers.common.Authorization = "Bearer " + data.access_token;
        $http.defaults.headers.common.RefreshToken = data.refresh_token;

        $cookieStore.put('_Token', data.access_token);
        $rootScope.$broadcast('loggedIn');
        $timeout(function () {
            $rootScope.$broadcast('loggedIn');
        }, 100);
        $uibModalInstance.close();
    })
    .error(function (data, status, headers, config) {
        $scope.message = data.error_description.replace(/["']{1}/gi, "");
        $scope.showMessage = true;
    });
}

}]）;

Answer 1

您无法广播（或旁边）$ rootScope事件处理程序。你只能以$排放它。

$rootScope.$emit('loggedIn');

根据documentation

$emit(name, args);通过范围向上调度事件名称   层次结构通知已注册的$rootScope.Scope侦听器。

事件生命周期从调用$emit的范围开始。   监听此范围内的名称事件的所有侦听器都会收到通知。   之后，事件向上遍历根范围并且   一路上调用所有注册的听众。活动将停止   如果其中一个听众取消它，则传播。

$ rootScope。$ on event not firing

1 个答案: