如何在AngularJS中使用Factory服务？

我在GitHub上找到了这项服务（见下文），想知道如何在>点击按钮时使用这项服务。我在我的Ionic应用程序中使用它，以便使用Google+OAuth登录

我对AngularJS是新手。帮帮我

var googleLoginService = angular.module('GoogleLoginService', ['ngStorage']);
    googleLoginService.factory('timeStorage', ['$localStorage', function ($localStorage) {
            var timeStorage = {};
            timeStorage.cleanUp = function () {
                var cur_time = new Date().getTime();
                for (var i = 0; i < localStorage.length; i++) {
                    var key = localStorage.key(i);
                    if (key.indexOf('_expire') === -1) {
                        var new_key = key + "_expire";
                        var value = localStorage.getItem(new_key);
                        if (value && cur_time > value) {
                            localStorage.removeItem(key);
                            localStorage.removeItem(new_key);
                        }
                    }
                }
            };
            timeStorage.remove = function (key) {
                this.cleanUp();
                var time_key = key + '_expire';
                $localStorage[key] = false;
                $localStorage[time_key] = false;
            };
            timeStorage.set = function (key, data, hours) {
                this.cleanUp();
                $localStorage[key] = data;
                var time_key = key + '_expire';
                var time = new Date().getTime();
                time = time + (hours * 1 * 60 * 60 * 1000);
                $localStorage[time_key] = time;
            };
            timeStorage.get = function (key) {
                this.cleanUp();
                var time_key = key + "_expire";
                if (!$localStorage[time_key]) {
                    return false;
                }
                var expire = $localStorage[time_key] * 1;
                if (new Date().getTime() > expire) {
                    $localStorage[key] = null;
                    $localStorage[time_key] = null;
                    return false;
                }
                return $localStorage[key];
            };
            return timeStorage;
        }]);


    googleLoginService.factory('googleLogin', [
        '$http', '$q', '$interval', '$log', 'timeStorage',
        function ($http, $q, $interval, $log, timeStorage) {
            var service = {};
            service.access_token = false;
            service.redirect_url = 'http://127.0.0.1:81/google_demo/www/';
            service.client_id = '1234567890';
            service.secret = 'xxxxxxxxxxxxxxxxx';
            service.scope = 'https://www.googleapis.com/auth/userinfo.email https://www.googleapis.com/auth/userinfo.profile https://www.googleapis.com/auth/plus.me';
            service.gulp = function (url, name) {
                url = url.substring(url.indexOf('?') + 1, url.length);

                return url.replace('code=', '');

            };
            service.authorize = function (options) {
                var def = $q.defer();
                var self = this;

                var access_token = timeStorage.get('google_access_token');
                if (access_token) {
                    $log.info('Direct Access Token :' + access_token);
                    service.getUserInfo(access_token, def);
                } else {

                    var params = 'client_id=' + encodeURIComponent(options.client_id);
                    params += '&redirect_uri=' + encodeURIComponent(options.redirect_uri);
                    params += '&response_type=code';
                    params += '&scope=' + encodeURIComponent(options.scope);
                    var authUrl = 'https://accounts.google.com/o/oauth2/auth?' + params;

                    var win = window.open(authUrl, '_blank', 'location=no,toolbar=no,width=800, height=800');
                    var context = this;

                    if (ionic.Platform.isWebView()) {
                        console.log('using in app browser');
                        win.addEventListener('loadstart', function (data) {
                            console.log('load start');
                            if (data.url.indexOf(context.redirect_url) === 0) {
                                console.log('redirect url found ' + context.redirect_url);
                                console.log('window url found ' + data.url);
                                win.close();
                                var url = data.url;
                                var access_code = context.gulp(url, 'code');
                                if (access_code) {
                                    context.validateToken(access_code, def);
                                } else {
                                    def.reject({error: 'Access Code Not Found'});
                                }
                            }

                        });
                    } else {
                        console.log('InAppBrowser not found11');
                        var pollTimer = $interval(function () {
                            try {
                                console.log("google window url " + win.document.URL);
                                if (win.document.URL.indexOf(context.redirect_url) === 0) {
                                    console.log('redirect url found');
                                    win.close();
                                    $interval.cancel(pollTimer);
                                    pollTimer = false;
                                    var url = win.document.URL;
                                    $log.debug('Final URL ' + url);
                                    var access_code = context.gulp(url, 'code');
                                    if (access_code) {
                                        $log.info('Access Code: ' + access_code);
                                        context.validateToken(access_code, def);
                                    } else {
                                        def.reject({error: 'Access Code Not Found'});
                                    }
                                }
                            } catch (e) {
                            }
                        }, 100);
                    }
                }
                return def.promise;
            };
            service.validateToken = function (token, def) {
                $log.info('Code: ' + token);
                var http = $http({
                    url: 'https://www.googleapis.com/oauth2/v3/token',
                    method: 'POST',
                    headers: {'Content-Type': 'application/x-www-form-urlencoded'},
                    params: {
                        code: token,
                        client_id: this.client_id,
                        client_secret: this.secret,
                        redirect_uri: this.redirect_url,
                        grant_type: 'authorization_code',
                        scope: ''
                    }
                });
                var context = this;
                http.then(function (data) {
                    $log.debug(data);
                    var access_token = data.data.access_token;
                    var expires_in = data.data.expires_in;
                    expires_in = expires_in * 1 / (60 * 60);
                    timeStorage.set('google_access_token', access_token, expires_in);
                    if (access_token) {
                        $log.info('Access Token :' + access_token);
                        context.getUserInfo(access_token, def);
                    } else {
                        def.reject({error: 'Access Token Not Found'});
                    }
                });
            };
            service.getUserInfo = function (access_token, def) {
                var http = $http({
                    url: 'https://www.googleapis.com/oauth2/v3/userinfo',
                    method: 'GET',
                    params: {
                        access_token: access_token
                    }
                });
                http.then(function (data) {
                    $log.debug(data);
                    var user_data = data.data;
                    var user = {
                        name: user_data.name,
                        gender: user_data.gender,
                        email: user_data.email,
                        google_id: user_data.sub,
                        picture: user_data.picture,
                        profile: user_data.profile
                    };
                    def.resolve(user);
                });
            };
            service.getUserFriends = function () {
                var access_token = this.access_token;
                var http = $http({
                    url: 'https://www.googleapis.com/plus/v1/people/me/people/visible',
                    method: 'GET',
                    params: {
                        access_token: access_token
                    }
                });
                http.then(function (data) {
                    console.log(data);
                });
            };
            service.startLogin = function () {
                var def = $q.defer();
                var promise = this.authorize({
                    client_id: this.client_id,
                    client_secret: this.secret,
                    redirect_uri: this.redirect_url,
                    scope: this.scope
                });
                promise.then(function (data) {
                    def.resolve(data);
                }, function (data) {
                    $log.error(data);
                    def.reject(data.error);
                });
                return def.promise;
            };
            return service;
        }
    ]); 

var googleLoginService=angular.module（'googleLoginService'，['ngStorage']）；
googleLoginService.factory（'timeStorage'，['$localStorage'，function（$localStorage）{
var timeStorage={}；
timeStorage.cleanUp=函数（）{
var cur_time=new Date（）.getTime（）；
for（var i=0；i值）{
localStorage.removietem（键）；
localStorage.removietem（新的_键）；
}
}
}
};
timeStorage.remove=功能（键）{
这个.cleanUp（）；
var time_key=key+''u expire'；
$localStorage[key]=false；
$localStorage[time_key]=false；
};
timeStorage.set=功能（键、数据、小时）{
这个.cleanUp（）；
$localStorage[key]=数据；
var time_key=key+''u expire'；
var time=new Date（）.getTime（）；
时间=时间+（小时*1*60*60*1000）；
$localStorage[time\u key]=时间；
};
timeStorage.get=函数（键）{
这个.cleanUp（）；
var time_key=key+“_expire”；
if（！$localStorage[时间\键]）{
返回false；
}
var expire=$localStorage[time\u key]*1；
如果（新日期（）.getTime（）>过期）{
$localStorage[key]=null；
$localStorage[time_key]=null；
返回false；
}
返回$localStorage[key]；
};
返回时间存储；
}]);
googleLogin服务工厂（“googleLogin”[
“$http”、“$q”、“$interval”、“$log”、“timeStorage”，
函数（$http、$q、$interval、$log、timeStorage）{
var服务={}；
service.access_token=false；
service.redirect\u url='0http://127.0.0.1:81/google_demo/www/';
service.client_id='1234567890'；
service.secret='xxxxxxxxxxxxxxx'；
service.scope=https://www.googleapis.com/auth/userinfo.email https://www.googleapis.com/auth/userinfo.profile https://www.googleapis.com/auth/plus.me';
service.gulp=函数（url、名称）{
url=url.substring（url.indexOf（“？”）+1，url.length）；
返回url.replace（'code='，''）；
};
service.authorize=功能（选项）{
var def=$q.defer（）；
var self=这个；
var-access\u-token=timeStorage.get（'google\u-access\u-token'）；
if（访问令牌）{
$log.info（'直接访问令牌：'+访问令牌）；
getUserInfo（访问令牌，def）；
}否则{
var params='client_id='+encodeURIComponent（options.client_id）；
params+='&redirect_uri='+encodeURIComponent（options.redirect_uri）；
参数+='&响应类型=代码'；
params+='&scope='+encodeURIComponent（options.scope）；
var authUrl=https://accounts.google.com/o/oauth2/auth?“+参数；
var win=window.open（authUrl，'.'空白'，'位置=no，工具栏=no，宽度=800，高度=800'）；
var context=this；
if（ionic.Platform.isWebView（））{
console.log（“使用应用程序内浏览器”）；
win.addEventListener（'loadstart'，函数（数据）{
console.log（'load start'）；
if（data.url.indexOf（context.redirect\u url）==0）{
log（'redirect url found'+context.redirect\u url）；
log（'windowurl-found'+data.url）；
win.close（）；
var url=data.url；
var access_code=context.gulp（url，“code”）；
if（访问代码）{
validateToken（访问代码，def）；
}否则{
拒绝（{错误：'未找到访问代码'}）；
}
}
});
}否则{
console.log（'InAppBrowser notfound11'）；
var pollTimer=$interval（函数（）{
试一试{
log（“googlewindowurl”+win.document.url）；
if（win.document.URL.indexOf（context.redirect\u URL）==0）{
log（“找到重定向url”）；
win.close（）；
$interval.cancel（轮询计时器）；
pollTimer=false；
var url=win.document.url；
$log.debug（'最终URL'+URL）；
var access_code=context.gulp（url，“code”）；
if（访问代码）{
$log.info（'访问代码：'+访问代码）；
angular
      .module('GoogleLoginService')
      .controller('SomeController', SomeController);

function SomeController(timeStorage, googleLogin) {
    // just call timeStorage and googleLogin
    // ex:
    var anydata = timeStorage.get("anykey");
}