app.factory('locals', ['$window', function ($window) {

        return {        //存储单个属性

            set: function (key, value) {

                $window.localStorage[key] = value;

            },        //读取单个属性

            get: function (key, defaultValue) {

                return $window.localStorage[key] || defaultValue;

            },        //存储对象，以JSON格式存储

            setObject: function (key, value) {

                $window.localStorage[key] = JSON.stringify(value);//将对象以字符串保存

            },        //读取对象

            getObject: function (key) {

                return JSON.parse($window.localStorage[key] || '{}');//获取字符串并解析成对象

            }

        }

    }]);

 app.controller('supplyAddCtrl', function ($scope, $http, $location, locals, $timeout, $compile) {

   //存

     locals.set("firstpos", firstpos);//字符串

     locals.setObject("secondpos", secondpos);//对象

   //取

    locals.get("firstpos");//字符串

    locals.getObject("secondpos");//对象

   }