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);