static void Main(string[] args) { StudentDAL stuDal = new StudentDAL(); var lstStu = stuDal.QueryList();//查询返回列表 Console.WriteLine("查询返回列表如下:"); foreach (var stu in lstStu) { Console.WriteLine(stu.ToString()); } Student stuInfo = new Student(); stuInfo.StuID = 112; Console.WriteLine("查询返回实体如下:"); var resultQuery = stuDal.QueryList(stuInfo.StuID);//查询返回实体 Console.WriteLine(resultQuery.ToString()); Student stuInfo1 = new Student(); stuInfo1.StuID = 115; stuInfo1.StuName = "王尼玛"; stuInfo1.Birthday = Convert.ToDateTime("1998-02-24"); int resultInsert = stuDal.Insert(stuInfo1);//插入单条数据 List <Student> lsStudents = new List <Student>(); lsStudents.Add(stuInfo1); Student stuInfo2 = new Student(); stuInfo2.StuID = 116; stuInfo2.StuName = "许文强"; stuInfo2.Birthday = Convert.ToDateTime("1995-12-24"); lsStudents.Add(stuInfo2); int resultBatchInsert = stuDal.BatchInsert(lsStudents); //批量插入数据 int resultDelete = stuDal.Delete(stuInfo1); //删除 int resultUpdate = stuDal.Update(115, "傻根", Convert.ToDateTime("1993-06-22")); //更新 stuDal.Transaction(); //事务 Console.ReadLine(); }