AccessDAL/OrderItem.cs

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using System;
using System.Collections.Generic;
using System.Data;
using System.Data.OleDb;
using MyShop.IDAL;
using MyShop.Model;

namespace MyShop.AccessDAL
{
    public class OrderItem :IOrderItem
    {
        private ConfigInfo configInfo = new ConfigInfo();
        private string tableName = "Ljh_OrderItems";

        public OrderItem()
        {
            if (!string.IsNullOrEmpty(configInfo.TablePrefix.Trim()))
                tableName = configInfo.TablePrefix + "OrderItems";
        }
        #region IOrderItem member


        /// <summary>
        /// 添加记录
        /// </summary>
        /// <param name="model"></param>
        /// <returns>返回ID, 如果发生错误则返回-1</returns>
        public int Add(OrderItemInfo model)
        {
            if (model == null)
            {
                return -1;
            }
            string commandText = "insert into " + this.tableName + "(orderId,productId,saleType,priceOriginal,truePrice,amount,subTotal,beginDate,remark,presentExp,price) values(@orderId,@productId,@saleType,@priceOriginal,@truePrice,@amount,@subTotal,@beginDate,@remark,@presentExp,@price) ";
            OleDbParameter[] commandParameters = {
				Database.MakeInParam("@OrderId",OleDbType.Integer,4,model.OrderId),
				Database.MakeInParam("@ProductId",OleDbType.Integer,4,model.ProductId),
				Database.MakeInParam("@SaleType",OleDbType.Integer,4,model.SaleType),
				Database.MakeInParam("@PriceOriginal",OleDbType.Currency,4,model.PriceOriginal),
				Database.MakeInParam("@TruePrice",OleDbType.Currency,4,model.TruePrice),
				Database.MakeInParam("@Amount",OleDbType.Integer,4,model.Amount),
				Database.MakeInParam("@SubTotal",OleDbType.Currency,8,model.SubTotal),
				Database.MakeInParam("@BeginDate",OleDbType.Date,8,model.BeginDate),
				Database.MakeInParam("@Remark",OleDbType.VarWChar,0,model.Remark),
				Database.MakeInParam("@PresentExp",OleDbType.Integer,4,model.PresentExp),
				Database.MakeInParam("@Price",OleDbType.Currency,8,model.Price)
                                    };
            int intIdentity = -1;
            try
            {
                Database.ExecuteNonQuery(CommandType.Text, out intIdentity, commandText, commandParameters);
            }
            catch (Exception exception)
            {
                throw exception;
            }
            return intIdentity;
        }