g.hnyhua.cn/Mtxfw.DAL/user_cart.cs

using System;
using System.Data;
using System.Text;
using System.Data.SqlClient;

namespace Mtxfw.DAL
{
    /// <summary>
    /// 数据访问类:user_cart
    /// </summary>
    public partial class user_cart : Mtxfw.Utility.Myabstract
    {
        public user_cart()
            : base("user_cart")
        { }

        /// <summary>
        /// 增加一条数据
        /// </summary>
        public int Add(Mtxfw.Model.user_cart model)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("insert into user_cart(");
            strSql.Append("poid,ProductID,ProductNum,selcolor,guige,CartId,ttype,gtype)");
            strSql.Append(" values (");
            strSql.Append("@poid,@ProductID,@ProductNum,@selcolor,@guige,@CartId,@ttype,@gtype)");
            strSql.Append(";select SCOPE_IDENTITY()");
            SqlParameter[] parameters = {
                    new SqlParameter("@poid", SqlDbType.Int),
                    new SqlParameter("@ProductID", SqlDbType.Int),
                    new SqlParameter("@ProductNum", SqlDbType.Int),
                    new SqlParameter("@selcolor", SqlDbType.VarChar,2000),
                    new SqlParameter("@guige", SqlDbType.VarChar,500),
                    new SqlParameter("@CartId", SqlDbType.VarChar,50),
                    new SqlParameter("@ttype", SqlDbType.Int),
                    new SqlParameter("@gtype", SqlDbType.Int)};
            parameters[0].Value = model.poid;
            parameters[1].Value = model.ProductID;
            parameters[2].Value = model.ProductNum;
            parameters[3].Value = model.selcolor;
            parameters[4].Value = model.guige;
            parameters[5].Value = model.CartId;
            parameters[6].Value = model.ttype;
            parameters[7].Value = model.gtype;
            object obj = Mtxfw.Utility.SqlDbHelper_U.ExecuteCmd(strSql.ToString(), parameters);
            if (obj == null)
            {
                return 0;
            }
            else
            {
                return Convert.ToInt32(obj);
            }
        }
        /// <summary>
        /// ProductNum
        /// </summary>
        public int UpdateProductNum(int ProductNum, int Id)
        {
            String sql = "update user_cart set ProductNum=@ProductNum where Id=@Id";
            SqlParameter[] para = { new SqlParameter("@ProductNum", SqlDbType.Int),
                                    new SqlParameter("@Id", SqlDbType.Int)};
            para[0].Value = ProductNum;
            para[1].Value = Id;
            return Mtxfw.Utility.SqlDbHelper_U.ExecuteCmd(sql, para);
        }
        /// <summary>
        /// ProductNum
        /// </summary>
        public int UpdateProductNum(int ProductNum, Int32 ProductID, string selcolor, string guige, string CartId)
        {
            String sql = "update user_cart set ProductNum=ProductNum+@ProductNum where ProductID=@ProductID And selcolor=@selcolor And guige=@guige And CartId=@CartId";
            if (guige == "")
            {
                sql = "update user_cart set ProductNum=ProductNum+@ProductNum where ProductID=@ProductID And selcolor=@selcolor And CartId=@CartId";
            }
            SqlParameter[] para = { new SqlParameter("@ProductNum", SqlDbType.Int),
                                    new SqlParameter("@ProductID", SqlDbType.Int),
                                    new SqlParameter("@selcolor", SqlDbType.VarChar,2000),
                                    new SqlParameter("@guige", SqlDbType.VarChar,500),
                                    new SqlParameter("@CartId", SqlDbType.VarChar,50)};
            para[0].Value = ProductNum;
            para[1].Value = ProductID;
            para[2].Value = selcolor;
            para[3].Value = guige;
            para[4].Value = CartId;
            return Mtxfw.Utility.SqlDbHelper_U.ExecuteCmd(sql, para);
        }
        /// <summary>
        /// ProductNum
        /// </summary>
        public int UpdateProductNum2(int ProductNum, Int32 ProductID, string selcolor, string guige, string CartId)
        {
            String sql = "update user_cart set ProductNum=@ProductNum where ProductID=@ProductID And selcolor=@selcolor And guige=@guige And CartId=@CartId";
            if (guige == "")
            {
                sql = "update user_cart set ProductNum=@ProductNum where ProductID=@ProductID And selcolor=@selcolor And CartId=@CartId";
            }
            SqlParameter[] para = { new SqlParameter("@ProductNum", SqlDbType.Int),
                                    new SqlParameter("@ProductID", SqlDbType.Int),
                                    new SqlParameter("@selcolor", SqlDbType.VarChar,2000),
                                    new SqlParameter("@guige", SqlDbType.VarChar,500),
                                    new SqlParameter("@CartId", SqlDbType.VarChar,50)};
            para[0].Value = ProductNum;
            para[1].Value = ProductID;
            para[2].Value = selcolor;
            para[3].Value = guige;
            para[4].Value = CartId;
            return Mtxfw.Utility.SqlDbHelper_U.ExecuteCmd(sql, para);
        }
        /// <summary>
        /// 删除一条数据
        /// </summary>
        public bool Delete(long Id)
        {

            StringBuilder strSql = new StringBuilder();
            strSql.Append("delete from user_cart ");
            strSql.Append(" where Id=@Id");
            SqlParameter[] parameters = {
					new SqlParameter("@Id", SqlDbType.BigInt)
};
            parameters[0].Value = Id;

            int rows = Mtxfw.Utility.SqlDbHelper_U.ExecuteCmd(strSql.ToString(), parameters);
            if (rows > 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }
        /// <summary>
        /// 删除一条数据
        /// </summary>
        public bool Delete()
        {

            StringBuilder strSql = new StringBuilder();
            strSql.Append("delete from user_cart ");
            strSql.Append(" where ProductNum<=0");

            int rows = Mtxfw.Utility.SqlDbHelper_U.ExecuteCmd(strSql.ToString());
            if (rows > 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }


        /// <summary>
        /// 得到一个对象实体
        /// </summary>
        public Mtxfw.Model.user_cart GetModel(long Id)
        {

            StringBuilder strSql = new StringBuilder();
            strSql.Append("select  top 1 * from user_cart ");
            strSql.Append(" where Id=@Id");
            SqlParameter[] parameters = {
					new SqlParameter("@Id", SqlDbType.BigInt)
};
            parameters[0].Value = Id;

            Mtxfw.Model.user_cart model = new Mtxfw.Model.user_cart();
            DataSet ds = Mtxfw.Utility.SqlDbHelper_U.GetDataSet(strSql.ToString(), parameters);
            if (ds.Tables[0].Rows.Count > 0)
            {
                model.Id = long.Parse(ds.Tables[0].Rows[0]["Id"].ToString());
                model.ProductID = int.Parse(ds.Tables[0].Rows[0]["ProductID"].ToString());
                model.ProductNum = int.Parse(ds.Tables[0].Rows[0]["ProductNum"].ToString());
                model.selcolor = ds.Tables[0].Rows[0]["selcolor"].ToString();
                model.guige = ds.Tables[0].Rows[0]["guige"].ToString();
                model.CartId = ds.Tables[0].Rows[0]["CartId"].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 * ");
            strSql.Append(" FROM user_cart ");
            if (strWhere.Trim() != "")
            {
                strSql.Append(" where " + strWhere);
            }
            return Mtxfw.Utility.SqlDbHelper_U.GetDataSet(strSql.ToString());
        }

        /// <summary>
        /// 获得前几行数据
        /// </summary>
        public DataSet GetList(int Top, string strWhere, string filedOrder)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select ");
            if (Top > 0)
            {
                strSql.Append(" top " + Top.ToString());
            }
            strSql.Append(" * ");
            strSql.Append(" FROM user_cart ");
            if (strWhere.Trim() != "")
            {
                strSql.Append(" where " + strWhere);
            }
            strSql.Append(" order by " + filedOrder);
            return Mtxfw.Utility.SqlDbHelper_U.GetDataSet(strSql.ToString());
        }


    }
}