AngularJS中的$http缓存以及处理多个$http请求

angular.module(‘app‘,[])
    .controller(‘AppCtrl‘, function AppCtrl(myService){
        var app = this;
        
        myService.getAll().then(function(info){
            app.myInfo = info;
        })
    })
    .service(‘myService‘, function MyService($http, $q){
        var myService = this;
            user = ‘https://api...‘,
            repos = ‘‘,
            events = ‘‘;
        
        myService.getData = function getData(){
            return $http.get(user).then(function(userData){
                return {
                    name:userData.data.name,
                    url:userData.data.url,
                    repoCount: userData.data.count
                }
            })
        };
        
        myService.getUserRepos = function getUserRepos(){
            return $http.get(repos).then(function(response){
                return _.map(response.data, function(item){
                    return {
                        name: item.name,
                        description:item.description,
                        starts: item.startCount
                    }
                })
            })
        }
        
        myService.getUserEvents = function getUserEvents(){
            ...
        }
        
        myService.getAll = function(){
            var userPromise = myService.getData(),
                userEventsPromise = myService.getUserRepos(),
                userReposPromise = myService.getUserRepos();
                
            return $q.all([userPromise, userEventsPromise, userReposPromise]).then(function(){
                ....
            })
        }
    })

angular.module(‘app‘,[])
    .factory("myCache", function($cacheFactory){
        return $cacheFactory("me");
    })
    .controller("AppCtrl", function($http, myCache){
        var app = this;
        app.load = function(){
            $http.get("apiurl",{cache:myCache})
                .success(function(data){
                    app.data = data;
                })
        }
        
        app.clearCache = function(){
            myCache.remove("apiurl");
        }
    })