normal:节点对象关系映射器（抽象层）？

普通的 节点对象关系映射器（抽象层）？ var lib = require ( './index' ) ; var client = require ( '...sql' ) ; var db = new client ( { ... } ) ; var session = lib . create ( db ) ; // including models definitions : require ( './model/users' ) ( session ) ; // sample of a model module . exports = function ( session ) { return session . declare ( 'users' , { __construct : function ( ) { // ...