参数化拼接in查询条件，个人备份

标签：数据   os   for   io   sql   new   

/// <summary>
        /// 查询数据报表
        /// </summary>
        /// <param name="TrueOutTimeTo">日期范围尾</param>
        /// <param name="anslyse">分析角度</param>
        /// <param name="model">派车任务模型</param>
        /// <returns></returns>
        public DataTable GetVehDisReport(string TrueOutTimeTo, string anslyse, VehDispTaskModel model)
        {
            string sql = string.Empty;//存储sql语句头
            StringBuilder sqlWhere = new StringBuilder();//存储查询条件的sql

            List<SqlParameter> listStr = new List<SqlParameter>();//用于动态存储参数最后转成sqlparameter[]即可

            string[] arrLicensePlate = model.LicencePlate.Split(‘,‘);//存储勾选的所有车牌
            if (!string.IsNullOrEmpty(model.LicencePlate.Trim()))
            {
                //参数化拼接in(‘‘,‘‘,‘‘)查询语句
                string sLicensePlateCondition = " AND LicencePlate in (";
                for (int i = 0; i < arrLicensePlate.Length; i++)
                {
                    if (!string.IsNullOrEmpty(arrLicensePlate[i]))
                    {
                        sLicensePlateCondition += "@Plate" + i+",";
                         listStr.Add( new SqlParameter("@Plate" + i, arrLicensePlate[i]));
                    }
                }
                sLicensePlateCondition = sLicensePlateCondition.TrimEnd(‘,‘);
                sLicensePlateCondition += ")";
                //加入查询条件
                sqlWhere.Append(sLicensePlateCondition);
            }


            string[] arrDriverId = model.DriverId.Split(‘,‘);//存储所有勾选的司机工号
            if (!string.IsNullOrEmpty(model.DriverId))
            {
                //参数化拼接in(‘‘,‘‘,‘‘)查询语句
                string sDriverIdCondition = "AND DriverId in (";
                for (int i = 0; i < arrDriverId.Length; i++)
                {
                    if (!string.IsNullOrEmpty(arrDriverId[i]))
                    {
                        sDriverIdCondition += "@DriverId" + i + ",";
                        listStr.Add(new SqlParameter("@DriverId" + i, arrDriverId[i]));
                    }
                }
                sDriverIdCondition = sDriverIdCondition.TrimEnd(‘,‘);
                sDriverIdCondition += ")";
                //加入查询条件
                sqlWhere.Append(sDriverIdCondition);

            }
            if (!string.IsNullOrEmpty(model.VehDispTime.ToString()) && !string.IsNullOrEmpty(TrueOutTimeTo))
            {
                listStr.Add(new SqlParameter("@OutTimeFrom", model.VehDispTime));
                listStr.Add(new SqlParameter("@OutTimeTo",Convert.ToDateTime(TrueOutTimeTo)));
                sqlWhere.Append(" AND VehDispTime between cast(@OutTimeFrom as datetime) and cast(@OutTimeTo as datetime)");
            }
            if (anslyse == "1")//如果分析角度为1说明是司机,否则为公务车
            {
                sql = string.Format(@"select DriverId as ‘司机工号DriverId‘,DriverName as ‘司机姓名DriverName‘,Convert(varchar(10),VehDispTime,120)as ‘实际派车日期VehDispTime‘,
                                  round(sum(Datediff(hour,TrueoutTime,TrueBackTime)),0) as ‘派车时数Hours‘ from [dbo].[vwVehDispTask]
               where Status = ‘Finished‘" + "{0}" + "group by DriverId,DriverName,Convert(varchar(10),VehDispTime,120)", sqlWhere);
            }
            else
            {
                sql = string.Format(@"select  LicencePlate as ‘车牌LicencePlate‘,VehModel as ‘车型VehModel‘,Convert(varchar(10),VehDispTime,120)as ‘实际派车日期VehDispTime‘,
                                  round(sum(Datediff(hour,TrueoutTime,TrueBackTime)),0) as ‘派车时数Hours‘ from [dbo].[vwVehDispTask]
               where Status = ‘Finished‘" + "{0}" + "group by Convert(varchar(10),VehDispTime,120), LicencePlate,VehModel", sqlWhere);
            }
            SqlParameter[] param = listStr.ToArray();
            return DBHelper.GetDataSet(sql, param);
        }

参数化拼接in查询条件，个人备份,布布扣,bubuko.com

参数化拼接in查询条件，个人备份

标签：数据   os   for   io   sql   new   

原文地址：http://www.cnblogs.com/fighting2014/p/3816466.html