把activities列表存起来,防止返回时页面变空

public/javascripts/wechat/app.js

@@ -1,19 +1,19 @@
 var app = angular.module('wechat', ['ngRoute','ngCookies']);
 var apiUrl = 'http://wechat.trustie.net/api/v1/';
-var debug = false; //调试标志,如果在本地请置为true
+var debug = true; //调试标志,如果在本地请置为true
 
-app.factory('auth', function($http,$routeParams, $cookies){
+app.factory('auth', function($http,$routeParams, $cookies, $q){
     var _openid = '';
 
     if(debug===true){
         _openid = "oCnvgvz8R7QheXE-R9Kkr39j8Ndg";
     }
 
-    var getOpenId = function(cb) {
+    var getOpenId = function() {
+        var deferred = $q.defer();
         if (typeof _openid !== 'undefined' && _openid.length > 0) {
-            cb(_openid);
+            deferred.resolve(_openid);
-            return;
+        } else {
-        }
             var code = $routeParams.code;
             $http({
                 url: '/wechat/get_open_id',
@@ -30,12 +30,12 @@ app.factory('auth', function($http,$routeParams, $cookies){
                         _openid = $cookies.get('openid');
                     }
                 }
-
+                deferred.resolve(_openid);
-            cb(_openid);
             }, function errorCallback(response) {
-            cb(null);
+                deferred.reject(response);
             });
-
+        }
+        return deferred.promise;
     };
     var openid = function(){
         return _openid;
@@ -43,14 +43,27 @@ app.factory('auth', function($http,$routeParams, $cookies){
     return {getOpenId: getOpenId, openid: openid};
 });
 
-app.controller('ActivityController',function($scope, $http, auth){
+app.factory('rms', function(){
+    var _saveStorage = {};
+    var save = function(key, value){
+        _saveStorage[key] = value;
+    };
+
+    var get = function(key){
+        return _saveStorage[key];
+    }
+
+    return {save: save, get: get};
+});
+
+app.controller('ActivityController',function($scope, $http, auth, rms){
     $scope.repaceUrl = function(url){
         return "http://www.trustie.net/" + url;
     }
 
     console.log("ActivityController load");
 
-    $scope.activities = [];
+    $scope.activities = rms.get("activities") || [];
     $scope.page = 1;
 
     var loadActData = function(page){
@@ -61,17 +74,18 @@ app.controller('ActivityController',function($scope, $http, auth){
             data: {openid: auth.openid(), page: page},
         }).then(function successCallback(response) {
             $scope.activities = $scope.activities.concat(response.data.data);
+            rms.save('activities', $scope.activities);
         }, function errorCallback(response) {
         });
     }
-
+    auth.getOpenId().then(
-    auth.getOpenId(function(oid){
+        function successCallback(response){
-        if(!oid){
-            alert("获取openid出错");
-        } else {
             loadActData($scope.page);
+        }, function errorCallback(response) {
+            alert("获取openid出错:"+response);
         }
-    });
+    );
+
 
     $scope.loadActData = loadActData;