TZ.DAL/Orders_Goods.cs

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using System;
using System.Data;
using System.Text;
using System.Collections.Generic;
using System.Data.SqlClient;
using System.Collections;
using TZ.Model;
using TZ.DBUtility;
using TZ.Common;

namespace TZ.DAL
{
    public class Orders_Goods
    {
        /// <summary>
        /// 修改一列数据
        /// </summary>
        public bool UpdateField(int id, string strValue)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("update sys_orders_goods set " + strValue);
            strSql.Append(" where id=" + id);
            int rowsAffected = DbHelperSQL.ExecuteSql(strSql.ToString());
            if (rowsAffected > 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }
        /// <summary>
        /// 得到一个对象实体
        /// </summary>
        public TZ.Model.Orders_Goods GetModel(int id)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select top 1 id,article_id,order_id,goods_no,goods_title,img_url,spec_text,goods_price,quantity,is_comment");
            strSql.Append(" from sys_orders_goods");
            strSql.Append(" where id=@id");
            SqlParameter[] parameters = {
					new SqlParameter("@id", SqlDbType.Int,4)};
            parameters[0].Value = id;

            DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
            if (ds.Tables[0].Rows.Count > 0)
            {
                return DataRowToModel(ds.Tables[0].Rows[0]);
            }
            else
            {
                return null;
            }
        }
        /// <summary>
        /// 将对象转换为实体
        /// </summary>
        /// <param name="row"></param>
        /// <returns></returns>