using System.Reflection;
using Abp.Configuration.Startup;
using Abp.Modules;
using Abp.NHibernate;
using FluentNHibernate.Cfg.Db;

/**
* 命名空间: abpPgtest
* 功 能： 配置数据库
* 类 名： NhHibernateModel
* 作 者: 东腾
* 时 间： 2018/1/29 17:04:27 
*/
namespace abpPgtest
{
  [DependsOn(typeof(AbpNHibernateModule))]
  public class NhHibernateModel:AbpModule
  {
    //重写PreInitialize方法
    public override void PreInitialize()
    {
      var pgStr = "Server=localhost;Port=5432;Database=DTDB;User Id=DT;Password=DT";

      var config = Configuration.Modules.AbpNHibernate().FluentConfiguration
        .Database(PostgreSQLConfiguration.Standard.ConnectionString(pgStr));
      config.Mappings(a => a.FluentMappings.AddFromAssembly(Assembly.GetEntryAssembly()));
      //base.PreInitialize();
    }
    //重写Initialize方法
    public override void Initialize()
    {
      IocManager.RegisterAssemblyByConvention(Assembly.GetCallingAssembly());
      // base.Initialize();
    }
  }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Abp.Domain.Entities;
using Abp.NHibernate.EntityMappings;

/**
* 命名空间: abpPgtest.testModel
* 功 能： 数据库表实体及映射
* 类 名： testModel
* 作 者: 东腾
* 时 间： 2018/1/29 17:21:19 
*/
namespace abpPgtest.testModel
{
  public class testModelMap : EntityMap<testModel>
  {
    public testModelMap():base("dt_tb_test")
    {
      //Id(x => x.Id).GeneratedBy.Increment();//数据库表中没有自增的Id时需要映射一个Id
      Map(x => x.Company);
      Map(x => x.Name);

      //References<userModel>(a => a.Id).Not.LazyLoad().Column("外键ID");//数据库中有关联表时使用

    }
  }
  public class testModel:Entity<int>
  {
    public virtual int Id { get; set; }

    public virtual string Name { get; set; }

    public virtual string Company { get; set; }
  }
}

var bootstrapper = AbpBootstrapper.Create<NhHibernateModel>();
bootstrapper.Initialize();
var resp = bootstrapper.IocManager.Resolve<IRepository<testModel();

//添加数据
  var model = new testModel
    {
     Name = "东腾",
     Company = "东腾科技"
    };
 resp.Insert(model);

//更新数据
  var m = resp.Get(1);
  m.Name = "东腾1";
  resp.Update(m);

var allList = resp.GetAllList();

//删除数据,更具where条件删除
  Expression<Func<testModel, bool where = a =>a.Id==3;
  resp.Delete(where);