第一个NHibernateDemo

<?xml version="1.0" encoding="utf-8"?>
<!-- 
This template was written to work with NHibernate.Test.
Copy the template to your NHibernate.Test project folder and rename it in hibernate.cfg.xml and change it 
for your own use before compile tests in VisualStudio.
-->
<!-- This is the System.Data.dll provider for SQL Server -->
<hibernate-configuration  xmlns="urn:nhibernate-configuration-2.2" >
    <session-factory name="NHibernate.Test">
    <!--定制数据库IDriver的类型-->
        <property name="connection.driver_class">NHibernate.Driver.SqlClientDriver</property>
    <!--连接字符串-->
        <property name="connection.connection_string">
      Server=WYT\SQLEXPRESS;database=Northwind;uid=sa;pwd=123456
    </property>
   <!--NHibernate方言（Dialect）的类名-可以让NHibernate使用某些特定的数据库平台的特性-->
        <property name="dialect">NHibernate.Dialect.MsSql2008Dialect</property>
    <!--映射文档中所在的程序集-->
    <mapping assembly="NHShop.Domain" />
    </session-factory>
</hibernate-configuration>

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using NHibernate;
using NHibernate.Cfg;

namespace NHShop.Data
{
    public class NHibernateHelper
    {
        private static ISessionFactory _sessionFactory;

        /// <summary>
        /// 创建ISessionFactory
        /// </summary>
        public static ISessionFactory SessionFactory
        {
            get { 
                //配置ISessionFactory
                return _sessionFactory==null?(new Configuration()).Configure().BuildSessionFactory():_sessionFactory;
            }
        }
    }
}

using System;

//Nhibernate Code Generation Template 1.0
//author:MythXin
//blog:www.cnblogs.com/MythXin
//Entity Code Generation Template
namespace NHShop.Domain.Entities
{
    //Customers
    public class Customers
    {

        /// <summary>
        /// CustomerID
        /// </summary>
        public virtual string CustomerID
        {
            get;
            set;
        }
        /// <summary>
        /// CompanyName
        /// </summary>
        public virtual string CompanyName
        {
            get;
            set;
        }
        /// <summary>
        /// ContactName
        /// </summary>
        public virtual string ContactName
        {
            get;
            set;
        }
        /// <summary>
        /// ContactTitle
        /// </summary>
        public virtual string ContactTitle
        {
            get;
            set;
        }
        /// <summary>
        /// Address
        /// </summary>
        public virtual string Address
        {
            get;
            set;
        }
        /// <summary>
        /// City
        /// </summary>
        public virtual string City
        {
            get;
            set;
        }
        /// <summary>
        /// Region
        /// </summary>
        public virtual string Region
        {
            get;
            set;
        }
        /// <summary>
        /// PostalCode
        /// </summary>
        public virtual string PostalCode
        {
            get;
            set;
        }
        /// <summary>
        /// Country
        /// </summary>
        public virtual string Country
        {
            get;
            set;
        }
        /// <summary>
        /// Phone
        /// </summary>
        public virtual string Phone
        {
            get;
            set;
        }
        /// <summary>
        /// Fax
        /// </summary>
        public virtual string Fax
        {
            get;
            set;
        }

    }
}

<?xml version="1.0"  encoding="utf-8" ?>
<hibernate-mapping xmlns="urn:nhibernate-mapping-2.2" assembly="NHShop.Domain" namespace="NHShop.Domain.Entities">
  <!--类的全称、程序集、数据库表名称-->
  <class name="NHShop.Domain.Entities.Customers, NHShop.Domain" table="Customers">


    <id name="CustomerID" column="CustomerID" type="string"  />
    <property name="CompanyName" column="CompanyName" type="string"  />
    <property name="ContactName" column="ContactName" type="string"  />
    <property name="ContactTitle" column="ContactTitle" type="string"  />
    <property name="Address" column="Address" type="string"  />
    <property name="City" column="City" type="string"  />
    <property name="Region" column="Region" type="string"  />
    <property name="PostalCode" column="PostalCode" type="string"  />
    <property name="Country" column="Country" type="string"  />
    <property name="Phone" column="Phone" type="string"  />
    <property name="Fax" column="Fax" type="string"  />

  </class>
</hibernate-mapping>

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using NHibernate;
using NHShop.Domain.Entities;
using NHibernate.Linq;
using System.Linq.Expressions;

namespace NHShop.Data
{
    public class CustomersData
    {
        /// <summary>
        /// 根据条件得到客户信息集合
        /// </summary>
        /// <param name="where"></param>
        /// <returns></returns>
        public IList<Customers> GetCustomerList(Expression<Func<Customers,bool>> where)
        {
            try
            {
                using (ISession session=NHibernateHelper.SessionFactory.OpenSession())
                {
                    return session.Query<Customers>().Select(x => new Customers {
                        CustomerID = x.CustomerID,
                        ContactName = x.ContactName,
                        City = x.City,
                        Address = x.Address,
                        Phone = x.Phone,
                        CompanyName = x.CompanyName,
                        Country = x.Country
                    }).Where(where).ToList() ;
                }
            }
            catch (Exception ex)
            {
                
                throw ex;
            }
        }
    }
}

using NHShop.Data;
using NHShop.Domain.Entities;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Text;
using System.Threading.Tasks;

namespace NHShop.Business
{
    public class CustomersBusiness
    {
        private CustomersData _customersData;

        public CustomersBusiness()
        {
            _customersData = new CustomersData();
        }

        /// <summary>
        /// 根据条件得到客户信息集合
        /// </summary>
        /// <param name="where"></param>
        /// <returns></returns>
        public IList<Customers> GetCustomersList(Expression<Func<Customers, bool>> where)
        {
            return _customersData.GetCustomerList(where);
        }
    }
}