MxWeiXinPF.DAL/shop/wx_shop_sku.cs

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using System;
using System.Data;
using System.Text;
using System.Data.SqlClient;
using MxWeiXinPF.DBUtility;
using System.Collections.Generic;//Please add references
namespace MxWeiXinPF.DAL
{
	/// <summary>
	/// 数据访问类:wx_shop_sku
	/// </summary>
	public partial class wx_shop_sku
	{
		public wx_shop_sku()
		{}
		#region  BasicMethod

		/// <summary>
		/// 得到最大ID
		/// </summary>
		public int GetMaxId()
		{
		return DbHelperSQL.GetMaxID("id", "wx_shop_sku"); 
		}

		/// <summary>
		/// 是否存在该记录
		/// </summary>
		public bool Exists(int id)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) from wx_shop_sku");
			strSql.Append(" where id=@id");
			SqlParameter[] parameters = {
					new SqlParameter("@id", SqlDbType.Int,4)
			};
			parameters[0].Value = id;

			return DbHelperSQL.Exists(strSql.ToString(),parameters);
		}


		/// <summary>
		/// 增加一条数据
		/// </summary>
		public int Add(MxWeiXinPF.Model.wx_shop_sku model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("insert into wx_shop_sku(");
			strSql.Append("productId,sku,stock,price,attributeValue,attributeId)");
			strSql.Append(" values (");
			strSql.Append("@productId,@sku,@stock,@price,@attributeValue,@attributeId)");
			strSql.Append(";select @@IDENTITY");
			SqlParameter[] parameters = {
					new SqlParameter("@productId", SqlDbType.Int,4),
					new SqlParameter("@sku", SqlDbType.VarChar,16),
					new SqlParameter("@stock", SqlDbType.Int,4),
					new SqlParameter("@price", SqlDbType.Float,8),
					new SqlParameter("@attributeValue", SqlDbType.VarChar,500),
					new SqlParameter("@attributeId", SqlDbType.Int,4)};