DAL/ProductViewsService.cs

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

namespace DAL
{
	/// <summary>
	/// 数据访问类:ProductViewsService
	/// </summary>
	public partial class ProductViewsService
	{
		public ProductViewsService()
		{}
		#region  BasicMethod
        /// <summary>
        /// 最近浏览的记录
        /// </summary>
        /// <returns></returns>
        //public static DataSet GetRecentlyList() 
        //{
        //    string sql = "";
        //    return DBHelperSQL.Query(sql);
        //}
		/// <summary>
		/// 得到最大ID
		/// </summary>
		public int GetMaxId()
		{
		return DBHelperSQL.GetMaxID("id", "ProductViews"); 
		}

		/// <summary>
		/// 是否存在该记录
		/// </summary>
		public bool Exists(int id)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) from ProductViews");
			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 static bool Add(Model.ProductViews model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("insert into ProductViews(");
			strSql.Append("productId,viewsTime)");
			strSql.Append(" values (");
			strSql.Append("@productId,@viewsTime)");
			SqlParameter[] parameters = {
					new SqlParameter("@productId", SqlDbType.Int,4),
					new SqlParameter("@viewsTime", SqlDbType.DateTime)};