user.cs

开发环境:viual studio 2008 开发语言:C# 开源程度:100 在精心研究PetShop4.0 有几个月了,终于明白了三层的含义,将自己的项目改成三层架构开发,现在将此源程序

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data;
using System.Data.SqlClient;
using WiStudy.IDAL;
using WiStudy.Model;
using WiStudy.Utility;

namespace WiStudy.SQLServerDAL
{
    /// <summary>
    /// 数据访问类User。
    /// </summary>
    public class User : IUser
    {
        public User()
        { }
        #region  成员方法

        /// <summary>
        /// 得到最大ID
        /// </summary>
        public int GetMaxId()
        {
            return SqlHelper.GetMaxID("User_ID", "Ws_User");
        }

        /// <summary>
        /// 是否存在该记录
        /// </summary>
        public bool Exists(string User_Name)
        {
            int rowsAffected;
            SqlParameter[] parameters = {
					new SqlParameter("@User_Name", SqlDbType.VarChar ,32)};
            parameters[0].Value = User_Name;

            int result = SqlHelper.RunProcedure("UP_Ws_User_Exists", parameters, out rowsAffected);
            if (result == 1)
            {
                return true;
            }
            else
            {
                return false;
            }
        }

        /// <summary>
        ///  增加一条数据
        /// </summary>
        public void Add(UserInfo model)
        {
            int rowsAffected;
            SqlParameter[] parameters = {
					new SqlParameter("@UserSort_ID", SqlDbType.Int,4),
					new SqlParameter("@User_ID", SqlDbType.Int,4),
					new SqlParameter("@User_Name", SqlDbType.VarChar,32),
					new SqlParameter("@User_Password", SqlDbType.VarChar,32)};
            parameters[0].Value = model.UserSort_ID;
            parameters[1].Value = model.User_ID;
            parameters[2].Value = model.User_Name;
            parameters[3].Value = model.User_Password;


            SqlHelper.RunProcedure("UP_Ws_User_ADD", parameters, out rowsAffected);
        }

        /// <summary>
        ///  更新一条数据
        /// </summary>
        public void Update(UserInfo model)
        {
            int rowsAffected;
            SqlParameter[] parameters = {
					new SqlParameter("@UserSort_ID", SqlDbType.Int,4),
					new SqlParameter("@User_ID", SqlDbType.Int,4),
					new SqlParameter("@User_Name", SqlDbType.VarChar,32),
					new SqlParameter("@User_Password", SqlDbType.VarChar,32),
					new SqlParameter("@User_Business", SqlDbType.VarChar,32),
					new SqlParameter("@User_Message", SqlDbType.Int,4),
					new SqlParameter("@User_Audit", SqlDbType.Bit,1),
					new SqlParameter("@User_Lock", SqlDbType.Bit,1)};
            parameters[0].Value = model.UserSort_ID;
            parameters[1].Value = model.User_ID;
            parameters[2].Value = model.User_Name;
            parameters[3].Value = model.User_Password;
            parameters[4].Value = model.User_Business;
            parameters[5].Value = model.User_Message;
            parameters[6].Value = model.User_Audit;
            parameters[7].Value = model.User_Lock;

            SqlHelper.RunProcedure("UP_Ws_User_Update", parameters, out rowsAffected);
        }

        /// <summary>
        /// 删除一条数据
        /// </summary>
        public void Delete(int User_ID)
        {
            int rowsAffected;
            SqlParameter[] parameters = {
					new SqlParameter("@User_ID", SqlDbType.Int,4)};
            parameters[0].Value = User_ID;

            SqlHelper.RunProcedure("UP_Ws_User_Delete", parameters, out rowsAffected);
        }

        /// <summary>
        /// 得到一个对象实体
        /// </summary>
        public UserInfo GetModel(int User_ID)
        {
            SqlParameter[] parameters = {
					new SqlParameter("@User_ID", SqlDbType.Int,4)};
            parameters[0].Value = User_ID;

            UserInfo model = new UserInfo();
            DataSet ds = SqlHelper.RunProcedure("UP_Ws_User_GetModel", parameters, "ds");
            if (ds.Tables[0].Rows.Count > 0)
            {
                if (ds.Tables[0].Rows[0]["UserSort_ID"].ToString() != "")
                {
                    model.UserSort_ID = int.Parse(ds.Tables[0].Rows[0]["UserSort_ID"].ToString());
                }
                if (ds.Tables[0].Rows[0]["User_ID"].ToString() != "")
                {
                    model.User_ID = int.Parse(ds.Tables[0].Rows[0]["User_ID"].ToString());
                }
                model.User_Name = ds.Tables[0].Rows[0]["User_Name"].ToString();
                model.User_Password = ds.Tables[0].Rows[0]["User_Password"].ToString();
                model.User_Business = ds.Tables[0].Rows[0]["User_Business"].ToString();
                if (ds.Tables[0].Rows[0]["User_Message"].ToString() != "")
                {
                    model.User_Message = int.Parse(ds.Tables[0].Rows[0]["User_Message"].ToString());
                }
                if (ds.Tables[0].Rows[0]["User_Audit"].ToString() != "")
                {
                    if ((ds.Tables[0].Rows[0]["User_Audit"].ToString() == "1") || (ds.Tables[0].Rows[0]["User_Audit"].ToString().ToLower() == "true"))
                    {
                        model.User_Audit = true;
                    }
                    else
                    {
                        model.User_Audit = false;
                    }
                }
                if (ds.Tables[0].Rows[0]["User_Lock"].ToString() != "")
                {
                    if ((ds.Tables[0].Rows[0]["User_Lock"].ToString() == "1") || (ds.Tables[0].Rows[0]["User_Lock"].ToString().ToLower() == "true"))
                    {
                        model.User_Lock = true;
                    }
                    else
                    {
                        model.User_Lock = false;
                    }
                }
                if (ds.Tables[0].Rows[0]["User_OnLine"].ToString() != "")
                {
                    if ((ds.Tables[0].Rows[0]["User_OnLine"].ToString() == "1") || (ds.Tables[0].Rows[0]["User_OnLine"].ToString().ToLower() == "true"))
                    {
                        model.User_OnLine = true;
                    }
                    else
                    {
                        model.User_OnLine = false;
                    }
                }
                if (ds.Tables[0].Rows[0]["User_JoinDate"].ToString() != "")
                {
                    model.User_JoinDate = DateTime.Parse(ds.Tables[0].Rows[0]["User_JoinDate"].ToString());
                }
                return model;
            }
            else
            {
                return null;
            }
        }

        /// <summary>
        /// 获得数据列表
        /// </summary>
        public DataSet GetList(string strWhere)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select UserSort_ID,User_ID,User_Name,User_Password,User_Business,User_Message,User_Audit,User_Lock,User_OnLine,User_JoinDate ");
            strSql.Append(" FROM Ws_User ");
            if (strWhere.Trim() != "")
            {
                strSql.Append(" where " + strWhere);
            }
            return SqlHelper.Query(strSql.ToString());
        }

        /*
        /// <summary>
        /// 分页获取数据列表
        /// </summary>
        public DataSet GetList(int PageSize,int PageIndex,string strWhere)
        {
            SqlParameter[] parameters = {
                    new SqlParameter("@tblName", SqlDbType.VarChar, 255),
                    new SqlParameter("@fldName", SqlDbType.VarChar, 255),
                    new SqlParameter("@PageSize", SqlDbType.Int),
                    new SqlParameter("@PageIndex", SqlDbType.Int),
                    new SqlParameter("@IsReCount", SqlDbType.Bit),
                    new SqlParameter("@OrderType", SqlDbType.Bit),
                    new SqlParameter("@strWhere", SqlDbType.VarChar,1000),
                    };
            parameters[0].Value = "Ws_User";
            parameters[1].Value = "ID";
            parameters[2].Value = PageSize;
            parameters[3].Value = PageIndex;
            parameters[4].Value = 0;
            parameters[5].Value = 0;
            parameters[6].Value = strWhere;	
            return SQLHelper.RunProcedure("UP_GetRecordByPage",parameters,"ds");
        }*/

        #endregion  成员方法
    }
}