lraaaaaa.a

人事管理系统

using System;
using System.Collections.Generic;
using System.Text;
using System.Data;
using System.Data.SqlClient;
using MODEL;
using DBManage;
using IDAL;

namespace SQLServerDAL
{
     public class MessageToUserService:IMessageToUserService
    {
        #region IBaseService<MessageToUser> 成员


        private static List<MessageToUser> GetModelsFromDataSet(DataSet ds)
        {
            List<MessageToUser> ls = new List<MessageToUser>();
            foreach (DataRow row in ds.Tables[0].Rows)
            {
                MessageToUser model = new MessageToUser();
                model.Id = Convert.ToInt32(row[0]);
                model.MessageId = Convert.ToInt32(row[1]);
                model.ToUserId = Convert.ToString(row[2]);
                model.IfRead= Convert.ToInt32(row[3]);
                ls.Add(model);
            }
            return ls;
        }

        public int AddModel(MessageToUser model)
        {
            string sql = string.Format("insert into MessageToUser values('{0}','{1}','{2}')",model.MessageId,model.ToUserId,model.IfRead);
            return DBOperate.UpdateModel(sql);
        }

        public int DeleteModelById(int id)
        {
            string where = " Id=" + id;
            return DeleteModelByWhere(where);
        }

        public int DeleteModelByWhere(string where)
        {
            string sql = string.Format("delete MessageToUser");
            if (!string.IsNullOrEmpty(where))
            {
                sql = sql + " where " + where;
            }
            return DBOperate.UpdateModel(sql);
        }

        public int UpdateModel(MessageToUser model)
        {
            string something = string.Format(" MessageId='{0}',ToString='{1}',IfRead='{2}' ", model.MessageId,
                model.ToUserId,
                model.IfRead);
            string where = string.Format(" Id={0} ", model.Id);
            return UpdateSomethingByWhere(something, where);
        }

        public int UpdateSomethingByWhere(string something, string where)
        {
            string sql = "update MessageToUser set " + something;
            if (!string.IsNullOrEmpty(where))
            {
                sql = sql + " where " + where;
            }
            return DBOperate.UpdateModel(sql);
        }

        public List<MessageToUser> GetAllModels()
        {
            DataSet ds = DBOperate.GetModels("MessageToUser", "");
            return GetModelsFromDataSet(ds);
        }

        public MessageToUser GetModelById(int id)
        {
            DataSet ds = DBOperate.GetModels("MessageToUser", "Id=" + id);
            return GetModelsFromDataSet(ds)[0];
        }

        public List<MessageToUser> GetModelByForeignKey(int ForeignKeyID)
        {
            throw new Exception("The method or operation is not implemented.");
        }

        public List<MessageToUser> GetModels(string strWhere)
        {
            DataSet ds = DBOperate.GetModels("MessageToUser", strWhere);
            return GetModelsFromDataSet(ds);
        }

        public List<MessageToUser> GetModels(int pageIndex, int pageSize, string orderColumnsName, string strWhere)
        {
            DataSet ds = DBOperate.GetModels("MessageToUser", pageIndex, pageSize, orderColumnsName, strWhere);
            return GetModelsFromDataSet(ds);
        }

        public List<MessageToUser> GetModels(int pageIndex, int pageSize, string orderColumnsName)
        {
            return GetModels(pageIndex, pageSize, orderColumnsName, "");
        }

        public List<MessageToUser> GetModels(int pageIndex, string orderColumnsName)
        {
            return GetModels(pageIndex, 10, orderColumnsName, "");
        }

        public List<MessageToUser> GetModels(int pageIndex, int pageSize)
        {
            return GetModels(pageIndex, pageSize, "Id", "");
        }

        public List<MessageToUser> GetModels(int pageIndex)
        {
            return GetModels(pageIndex, 10, "Id", "");
        }

        #endregion
    }
}