using System;
using System.Linq;
using NHibernate.Transform;
using NUnit.Framework;
using NetworkMonitor.DAL.Business.Model;namespace NetworkMonitor.NunitTest.DAlTets
{public class MyUser{public string 姓名 { set; get; }public string 密码 { set; get; }public int Tj { set; get; }public DateTime MaxDate { set; get; }}[TestFixture]public class 数据库操作LingSelect{private readonly NetworkMonitor.DAL.Core.MyServiceFactory _service = NetworkMonitor.DAL.Core.MyServiceFactory.Instance;#region 获取一个字段[Test]public void Select操作(){var bb = _service.GetTbUserService.Dao();var list1 =bb.SessionFactory.GetSession().QueryOver<TbUser>().Select(c => c.UserName).List<string>();foreach (var str in list1){System.Console.WriteLine(str.ToString());}}#endregion#region 获取几个字段[Test]public void select获取对象到零时list(){var bb = _service.GetTbUserService.Dao();var list2 =bb.SessionFactory.GetSession().QueryOver<TbUser>().//1.设置查询
            Select(c => c.UserName,c => c.LoginPWD).List<object[]>()//2.设置查询结果
                .Select(pro => new{姓名 = (string)pro[0],密码 = (string)pro[1]});foreach (var str in list2){System.Console.WriteLine(str.姓名);System.Console.WriteLine(str.密码);}}#endregion#region 获取几个字段--到对象[Test]public void select获取到对象(){var bb = _service.GetTbUserService.Dao();var list3 =bb.SessionFactory.GetSession().QueryOver<TbUser>().//1.设置查询
            Select(c => c.UserName,c => c.LoginPWD).List<object[]>()//2.设置查询结果到对象
                .Select(pro => new MyUser(){姓名 = (string)pro[0],密码 = (string)pro[1]});foreach (var str in list3){System.Console.WriteLine(str.姓名);System.Console.WriteLine(str.密码);}}#endregion#region 组合测组合select到objectList[Test]public void 测组合select到objectList(){var bb = _service.GetTbUserService.Dao();var list =bb.SessionFactory.GetSession().QueryOver<TbUser>().SelectList(//指定选择字段ar => ar.Select(c => c.UserName) //ar.Select(c => c.GroupName)报错和group有冲突//指定条件字段.SelectCount(c => c.Id)//统计
.SelectGroup(c => c.UserName )//group 这里一定要主意前面select可以group
.SelectMax(c => c.Createdate)//
).List<object[]>();foreach (var ob in list){//顺序就是你自己select的顺序string username = (string) ob[0];int tj = (int) ob[1];string username2 = (string)ob[2];DateTime max = (DateTime) ob[3];System.Console.WriteLine("uname ={0}, tj={1} gpuname={2} maxD = {3}",username,tj,username2,max);}}#endregion#region 测组合select到指定对象List[Test]public void 测组合select到指定对象List(){var bb = _service.GetTbUserService.Dao();MyUser myUser = null;var list =bb.SessionFactory.GetSession().QueryOver<TbUser>().SelectList(//指定选择字段ar => ar//.Select(c => c.UserName).WithAlias(()=>myUser.姓名)//指定条件字段.SelectCount(c => c.Id).WithAlias(()=>myUser.Tj)//统计 结合group 使用
.SelectGroup(c => c.UserName).WithAlias(()=>myUser.姓名)//group
.SelectMax(c => c.Createdate).WithAlias(()=>myUser.MaxDate)//
).TransformUsing(Transformers.AliasToBean<MyUser>()).List<MyUser>();foreach (var user in list){Console.WriteLine("uname ={0}, tj={1} gpuname={2} maxD = {3}",user.姓名,user.Tj,user.姓名,user.MaxDate);}}#endregion}
}