NHibernate 做个小项目来试一下吧 二

完成了实体层 就该写中间层了，看了哪几篇文章后，对他们用的哪个EntityConrol感到非常好用，我也就几乎是照抄了一个，呵呵，拿来主意 吗，
添加一个 新建工程  guestbook.Dal
我把Sessionfactory 和 EntityControl分成了两个文件其主要代码为

using System;
using System.Reflection;
using System.Data;
using System.Data.SqlClient;

using NHibernate;
using NHibernate.Cfg;
using NHibernate.Dialect;
using NHibernate.Tool.hbm2ddl;

using guestbook.data;
namespace guestbook.Dal
{
    /**//// <summary>
    /// SessionFactory 的摘要说明。
    /// </summary>
    public class SessionFactory
    {
        private static ISessionFactory sessions;
        private static Configuration cfg;
        private static Dialect dialect;

        public SessionFactory()
        {
            //
            // TODO: 在此处添加构造函数逻辑
            //
        }

        public static ISession OpenSession()
        {
            if(sessions==null)
            {
                BuildSessionFactory();
            }
            return sessions.OpenSession();
        }

        private static void BuildSessionFactory()
        {
            ExportSchema(new string[]{
                                         "users.hbm.xml",
                                         "guestbook.hbm.xml"
                                     },true);
        }

        private static void ExportSchema(string[] files,bool exportschema)
        {
            cfg=new Configuration();
            for(int i=0;i<files.Length;i++)
            {
                cfg.AddResource("guestbook.data.hbm."+files[i],Assembly.Load("guestbook.data"));
            }

            dialect=Dialect.GetDialect();
            if(exportschema) new SchemaExport(cfg).Create(true,true);

            sessions=cfg.BuildSessionFactory();
        }

    }
}

using System;

using NHibernate;
using guestbook.data;

namespace guestbook.Dal
{
    /**//// <summary>
    /// EntityContorl 的摘要说明。
    /// </summary>
    public class EntityControl
    {
        private static EntityControl entity;

        public static EntityControl CreateEntityControl()
        {
            if(entity==null)
            {
                entity=new EntityControl();
            }
            return entity;
        }
        public void addEntity(Object entity)
        {
            ISession s=SessionFactory.OpenSession();
            ITransaction t=s.BeginTransaction();
            try
            {
                s.Save(entity);
                t.Commit();
            }
            catch(Exception e)
            {
                t.Rollback();
                throw e;
            }
            finally
            {
                s.Close();
            }
        }
            
        public void updateEntity(Object entity,Object key)
        {
            ISession s=SessionFactory.OpenSession();
            ITransaction t=s.BeginTransaction();
            try
            {
                s.Update(entity,key);
                t.Commit();
            }
            catch(Exception e)
            {
                t.Rollback();
                throw e;
            }
            finally
            {
                s.Close();
            }
        }
        
        public void DelEntity(object entity)
        {
            ISession s=SessionFactory.OpenSession();
            ITransaction t=s.BeginTransaction();
            
            try
            {
                s.Delete(entity);
                t.Commit();
            }
            catch(Exception e)
            {
                t.Rollback();
                throw e;
            }
            finally
            {
                s.Close();
            }
        }
    }
}

其中代码的意思 我就不说了，我在文章开头提供的两位仁兄的文章里已经说明的很清楚了，我只是借签过吗 ，其中我的EntityControl还没有完成，只是先提供了一插入、更新、删除的功能，
写一个应用类试试

using System;

using NHibernate;
using guestbook.data;

namespace guestbook.Dal
{
    /**//// <summary>
    /// usersdal 的摘要说明。
    /// </summary>
    public class usersdal
    {
        private EntityControl control;
        public usersdal()
        {
            control=EntityControl.CreateEntityControl();
        }
        
        public void addUser(users user)
        {
            control.addEntity(user);
        }
            
        public void updateUser(users user,int Id)
        {
            control.updateEntity(user,user.id);
        }
        
        public void DelUser(users user)
        {
            control.DelEntity(user);
        }


    }
}

在写个测试文件

using System;

using System.Collections;
using NHibernate;
using NHibernate.Cfg;

using NUnit.Framework;

using guestbook.data;
using guestbook.Dal;
namespace guestbook.test.daltest
{
    /**//// <summary>
    /// user 的摘要说明。
    /// </summary>
    [TestFixture]
    public class user
    {
        public user()
        {
            //
            // TODO: 在此处添加构造函数逻辑
            //
        }
    
        [Test]public void AddDalUser()
        {
            users newUser=new users();
            newUser.Name="Pb";
            newUser.email="cctv5cn@gmail.com";
            newUser.password="147852";
            newUser.flag=1;
            newUser.regtime=DateTime.Now;

            usersdal ud=new usersdal();
            ud.addUser(newUser);
        }
    }
}

天啊 ，失败了，,提示错误,

guestbook.test.daltest.user.AddDalUser : NHibernate.MappingException :
 Resource: guestbook.guestbook.data.hbm.users.hbm.xml not found

这是怎么 回事 ，我的目录结构应该没有问题啊 ，

这也是我提前写这篇文章的原因，大侠们 救命 啊，