app = angular.module("app",[]);app.value("realname","liyang");//可以改变app.value("User",{name:"liyang"    ,pwd:"123456"}) //可以直接绑定一个js对象app.constant("baidu","www.baidu.com");//不可以改变，这2个一般用于简单配置文件的使用app.factory("data",function(){    return "我就是结果";//当然这里也可以返回js对象})app.service("serviceData",function(){    this.name = "zhangsan"    this.pwd = "654321"})
     app.controller("myCtr",function($scope,realname,baidu,User,data,serviceData){
   //自动用上面的值来注入    $scope.user={name:serviceData.name,pwd:serviceData.pwd}    $scope.data=data;    $scope.loginAction=function(){        alert($scope.user.name)    }    })