using NPOI.HSSF.UserModel;
using NPOI.SS.UserModel;
using NPOI.XSSF.UserModel;
using System;
using System.Collections.Generic;
using System.Data;
using System.Data.OleDb;
using System.IO;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Text;
using System.Threading.Tasks;

namespace APT.Utility
{
    public class FileUtils
    {
        /// <summary>
        /// 读取Excel文件第一个Sheet保存到DataTable中
        /// </summary>
        /// <param name="fileNamePath"></param>
        /// <param name="startRowIndexs">开始行项索引</param>
        /// <returns></returns>
        public static DataTable ReadExcelTable(string fileNamePath, int startRowIndex)
        {
            try
            {
                Dictionary<int, int> startRowIndexs = new Dictionary<int, int>();
                startRowIndexs[0] = startRowIndex;
                var ds = ReadExcelByOledb(fileNamePath, startRowIndexs);
                if (ds != null && ds.Tables.Count > 0)
                    return ds.Tables[0];
            }
            catch
            {

            }
            return null;

        }

        /// <summary>
        /// 实际读取EXCELsheet 
        /// </summary>
        /// <param name="workbook"></param>
        /// <param name="index"></param>
        /// <returns></returns>
        private static DataTable DoReadExcelByOledb(IWorkbook workbook, int index, int startRowIndex)
        {
            DataTable dt = new DataTable();
            ISheet sheet = workbook.GetSheetAt(index);
            if (sheet == null)
                throw new Exception("获取不到工作簿，工作簿索引：" + index);
            int rfirst = startRowIndex > 0 ? startRowIndex - 1 : sheet.FirstRowNum;
            int rlast = sheet.LastRowNum;
            if (rlast == 0)
                throw new Exception($"工作簿索引[{index}]的行数据为0，请确认");
            IRow row = sheet.GetRow(rfirst);
            int cfirst = row.FirstCellNum;
            int clast = row.LastCellNum;
            //获取sheet页中表的字段值
            for (int i = cfirst; i < clast; i++)
            {
                if (row.GetCell(i) != null)
                {
                    var cell = row.GetCell(i);
                    if (cell.CellType == CellType.Numeric)
                    {
                        //NPOI中数字和日期都是NUMERIC类型的，这里对其进行判断是否是日期类型
                        if (HSSFDateUtil.IsCellDateFormatted(cell))//日期类型
                        {
                            dt.Columns.Add(cell.DateCellValue.ToString(), System.Type.GetType("System.String"));
                        }
                        else//其他数字类型
                        {
                            dt.Columns.Add(cell.NumericCellValue.ToString(), System.Type.GetType("System.String"));
                        }
                    }
                    else if (cell.CellType == CellType.Blank)//空数据类型
                    {
                        dt.Columns.Add("", System.Type.GetType("System.String"));
                    }
                    else if (cell.CellType == CellType.Formula)//公式类型
                    {
                        HSSFFormulaEvaluator eva = new HSSFFormulaEvaluator(workbook);
                        dt.Columns.Add(eva.Evaluate(cell).StringValue, System.Type.GetType("System.String"));
                    }
                    else //其他类型都按字符串类型来处理
                    {
                        dt.Columns.Add(cell.StringCellValue, System.Type.GetType("System.String"));
                    }

                }
            }
            row = null;
            //获取sheet页中表的数据值
            for (int i = rfirst + 1; i <= rlast; i++)
            {
                IRow ir = sheet.GetRow(i);
                if (ir == null) continue;
                DataRow r = dt.NewRow();
                for (int j = cfirst; j < clast; j++)
                {
                    var val = "";
                    if (ir.GetCell(j) != null)
                    {
                        try
                        {
                            var cell = ir.GetCell(j);
                            if (cell.CellType == CellType.Numeric)
                            {
                                //NPOI中数字和日期都是NUMERIC类型的，这里对其进行判断是否是日期类型
                                if (HSSFDateUtil.IsCellDateFormatted(cell))//日期类型
                                {
                                    val = cell.DateCellValue.ToString();
                                }
                                else//其他数字类型
                                {
                                    val = cell.NumericCellValue.ToString();
                                }
                            }
                            else if (cell.CellType == CellType.Blank)//空数据类型
                            {

                            }
                            else if (cell.CellType == CellType.Formula)//公式类型
                            {
                                HSSFFormulaEvaluator eva = new HSSFFormulaEvaluator(workbook);
                                val = eva.Evaluate(cell).StringValue;
                            }
                            else //其他类型都按字符串类型来处理
                            {
                                val = cell.StringCellValue;
                            }

                            r[j] = val;
                        }
                        catch (Exception ex)
                        {

                            throw new Exception($"数据读取异常，行:{i + 1},列{j + 1},错误详情：{ex.Message}");
                        }
                    }
                    else
                    {
                        r[j] = val; //wyw 某个空格没数据
                    }
                }
                dt.Rows.Add(r);
            }
            return dt;
        }


        /// <summary>
        /// Oledb方式读取EXCEL
        /// </summary>
        /// <param name="fileNamePath">文件路径</param>
        /// <returns></returns>
        public static DataSet ReadExcelByOledb(string fileNamePath, Dictionary<int, int> startRowIndexs)
        {
            if (!File.Exists(fileNamePath)) return null;
            var extendName = System.IO.Path.GetExtension(fileNamePath);
            string connStr = "";
            if (extendName == "xlsx")
            {
                connStr = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + fileNamePath + ";Extended Properties='Excel 12.0;HDR=Yes;IMEX=1;'";
            }
            else
            {
                connStr = "Provider=Microsoft.Jet.OLEDB.4.0;Extended Properties=Excel 8.0;data source=" + fileNamePath;
            }

            DataSet dataSet = new DataSet();
            // 读取Excel到DataSet
            using (FileStream fs = new FileStream(fileNamePath, FileMode.Open, FileAccess.Read))
            {
                IWorkbook workbook = null;
                if (fileNamePath.IndexOf(".xlsx") > 0) // 2007版本
                    workbook = new XSSFWorkbook(fs);
                else if (fileNamePath.IndexOf(".xls") > 0) // 2003版本
                    workbook = new HSSFWorkbook(fs);
                try
                {
                    for (int i = 0; i < workbook.NumberOfSheets; i++)
                    {
                        if (!startRowIndexs.ContainsKey(i))
                            continue;
                        int startIndex = 0;
                        if (startRowIndexs != null)
                            startRowIndexs.TryGetValue(i, out startIndex);
                        var t = DoReadExcelByOledb(workbook, i, startIndex);
                        if (t != null)
                            dataSet.Tables.Add(t);
                    }
                }
                catch (Exception ex)
                {
                    throw new Exception(ex.Message);
                }
                fs.Close();

            }
            return dataSet;
        }
        /// <summary>
        /// 特殊导入页面处理
        /// </summary>
        /// <param name="fileNamePath"></param>
        /// <returns></returns>
        public static List<ImportTempData> ReadExcelByImport(string fileNamePath)
        {
            List<ImportTempData> importTempDatas = new List<ImportTempData>();
            if (!File.Exists(fileNamePath)) return null;
            string connStr = "";
            var extendName = System.IO.Path.GetExtension(fileNamePath);
            if (extendName == ".xlsx")
            {
                connStr = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + fileNamePath + ";Extended Properties='Excel 12.0;HDR=Yes;IMEX=1;'";
            }
            else
            {
                connStr = "Provider=Microsoft.Jet.OLEDB.4.0;Extended Properties=Excel 8.0;data source=" + fileNamePath;
            }
            using (FileStream fs = new FileStream(fileNamePath, FileMode.Open, FileAccess.Read))
            {
                IWorkbook workbook = null;
                if (fileNamePath.IndexOf(".xlsx") > 0) // 2007版本
                    workbook = new XSSFWorkbook(fs);
                else if (fileNamePath.IndexOf(".xls") > 0) // 2003版本
                    workbook = new HSSFWorkbook(fs);
                try
                {
                    for (int i = 0; i < workbook.NumberOfSheets; i++)
                    {
                        int startIndex = 0;
                        importTempDatas = DoReadExcelImport(workbook, i, startIndex);
                    }
                }
                catch (Exception ex)
                {
                    throw new Exception(ex.Message);
                }
                fs.Close();
            }
            return importTempDatas;
        }
        private static List<ImportTempData> DoReadExcelImport(IWorkbook workbook, int index, int startRowIndex)
        {
            List<ImportTempData> tempDatas = new List<ImportTempData>();
            ISheet sheet = workbook.GetSheetAt(index);
            if (sheet == null)
                throw new Exception("获取不到工作簿，工作簿索引：" + index);
            int rfirst = startRowIndex > 0 ? startRowIndex - 1 : sheet.FirstRowNum;//行首
            int rlast = sheet.LastRowNum;//行尾
            if (rlast == 0)
                throw new Exception($"工作簿索引[{index}]的行数据为0，请确认");
            IRow row = sheet.GetRow(rfirst);
            int cfirst = row.FirstCellNum;//第一行第一列
            int clast = row.LastCellNum;//第一行第三列
            for (int i = rfirst + 2; i <= rlast; i++)//第三行数据
            {
                IRow ir = sheet.GetRow(1);
                IRow ir1 = sheet.GetRow(i);
                for (int j = 0; j < ir.Cells.Count; j++)
                {
                    ImportTempData tempData = new ImportTempData();
                    tempData.START_TIME = row.GetCell(2).StringCellValue + "-" + (ir.Cells[j].StringCellValue.Length < 2 ? "0" + ir.Cells[j].StringCellValue : ir.Cells[j].StringCellValue);
                    tempData.Name = ir1.Cells[1].ToString();
                    tempData.QTY = ir1.Cells[j + 2].ToString();
                    tempDatas.Add(tempData);
                }
            }
            return tempDatas;
        }

        #region 历史数据导入页面处理
        /// <summary>
        /// 历史数据导入页面处理
        /// </summary>
        /// <param name="fileNamePath"></param>
        /// <returns></returns>
        public static List<ImportHistData> ReadExcelByImportHistData(string fileNamePath)
        {
            List<ImportHistData> importHistDatas = new List<ImportHistData>();
            if (!File.Exists(fileNamePath)) return null;
            using (FileStream fs = new FileStream(fileNamePath, FileMode.Open, FileAccess.Read))
            {
                IWorkbook workbook = null;
                if (fileNamePath.IndexOf(".xlsx") > 0) // 2007版本
                    workbook = new XSSFWorkbook(fs);
                else if (fileNamePath.IndexOf(".xls") > 0) // 2003版本
                    workbook = new HSSFWorkbook(fs);
                try
                {
                    for (int i = 0; i < workbook.NumberOfSheets; i++)
                    {
                        int startIndex = 2;
                        DoReadExcelImportHistData(workbook, i, startIndex, importHistDatas);
                    }
                }
                catch (Exception ex)
                {
                    throw new Exception(ex.Message);
                }
                fs.Close();
            }
            return importHistDatas;
        }

        private static List<ImportHistData> DoReadExcelImportHistData(IWorkbook workbook, int index, int startRowIndex, List<ImportHistData> histDatas)
        {
            ISheet sheet = workbook.GetSheetAt(index);
            DataTable dt = DoReadExcelByOledb(workbook, index, startRowIndex);
            if (sheet == null)
                throw new Exception("获取不到工作簿，工作簿索引：" + index);
            int rfirst = startRowIndex > 0 ? startRowIndex - 1 : sheet.FirstRowNum;//行首
            int rlast = sheet.LastRowNum;//行尾
            if (rlast < 2)
                throw new Exception("工作簿中的数据为空，请确认！" + index);
            IRow row = sheet.GetRow(rfirst + 1);
            int cfirst = row.FirstCellNum;
            int clast = row.LastCellNum;
            var timeStr = sheet.GetRow(1).GetCell(4).StringCellValue;
            var sTime = DateTime.Parse(timeStr);
            for (int i = rfirst - 1; i <= rlast - 2; i++)//第三行数据
            {
                var nTime = sTime;
                DataRow ir = dt.Rows[i];
                if (ir.Table.Rows.Count > 0)
                {
                    for (int j = 4; j < clast; j++)
                    {
                        if (ir[j]?.ToString().Length != 0)
                        {
                            ImportHistData tempData = new ImportHistData
                            {
                                Name = ir[0].ToString(),
                                Time = nTime,
                                Data = decimal.Parse(ir[j].ToString()),
                            };
                            histDatas.Add(tempData);
                        }
                        nTime = nTime.AddMonths(1);
                    }
                }
                else break;

            }
            return histDatas;
        }
        #endregion

        #region 抄表卡数据导入页面处理
        /// <summary>
        /// 年抄表卡数据导入页面处理
        /// </summary>
        /// <param name="fileNamePath"></param>
        /// <returns></returns>
        public static List<ImportMeterReadData> ReadExcelByImportYearMeterReadData(string fileNamePath)
        {
            List<ImportMeterReadData> importMeterReadDatas = new List<ImportMeterReadData>();
            if (!File.Exists(fileNamePath)) return null;
            using (FileStream fs = new FileStream(fileNamePath, FileMode.Open, FileAccess.Read))
            {
                IWorkbook workbook = null;
                if (fileNamePath.IndexOf(".xlsx") > 0) // 2007版本
                    workbook = new XSSFWorkbook(fs);
                else if (fileNamePath.IndexOf(".xls") > 0) // 2003版本
                    workbook = new HSSFWorkbook(fs);
                try
                {
                    for (int i = 0; i < workbook.NumberOfSheets; i++)
                    {
                        int startIndex = 2;
                        DoReadExcelImportYearMeterReadData(workbook, i, startIndex, importMeterReadDatas);
                    }
                }
                catch (Exception ex)
                {
                    throw new Exception(ex.Message);
                }
                fs.Close();
            }
            return importMeterReadDatas;
        }

        private static List<ImportMeterReadData> DoReadExcelImportYearMeterReadData(IWorkbook workbook, int index, int startRowIndex, List<ImportMeterReadData> importMeterReadDatas)
        {
            ISheet sheet = workbook.GetSheetAt(index);
            if (sheet == null)
                throw new Exception("获取不到工作簿，工作簿索引：" + index);
            int rfirst = startRowIndex > 0 ? startRowIndex - 1 : sheet.FirstRowNum;//行首
            int rlast = sheet.LastRowNum;//行尾
            if (rlast < 2)
                throw new Exception("工作簿中的数据为空，请确认！" + index);

            DataTable dt = DoReadExcelByOledb(workbook, index, startRowIndex);
            IRow row = sheet.GetRow(rfirst + 1);
            int clast = row.LastCellNum;  //列尾
            var timeStr = sheet.GetRow(1).GetCell(4).StringCellValue;
            var sTime = DateTime.Parse(timeStr);
            for (int i = rfirst - 1; i <= rlast - 2; i++)//第三行数据
            {
                var nTime = sTime;
                DataRow ir = dt.Rows[i];
                if (ir.Table.Rows.Count > 0)
                {
                    for (int j = 4; j < clast; j++)
                    {
                        if (ir[j]?.ToString().Length > 0)
                        {
                            ImportMeterReadData meterReadData = new ImportMeterReadData
                            {
                                Name = ir[0].ToString(),
                                Data = decimal.Parse(ir[j].ToString()),
                                Time = nTime,
                            };
                            if (meterReadData.Name == null)
                                throw new Exception($"第{i + 1}行的器具为空，导入失败");
                            importMeterReadDatas.Add(meterReadData);
                        }
                        nTime = nTime.AddMonths(1);
                    }
                }
                else break;

            }
            return importMeterReadDatas;
        }

        /// <summary>
        /// 月抄表卡数据导入页面处理
        /// </summary>
        /// <param name="fileNamePath"></param>
        /// <returns></returns>
        public static List<ImportMeterReadData> ReadExcelByImportMonthMeterReadData(string fileNamePath)
        {
            List<ImportMeterReadData> importMeterReadDatas = new List<ImportMeterReadData>();
            if (!File.Exists(fileNamePath)) return null;
            using (FileStream fs = new FileStream(fileNamePath, FileMode.Open, FileAccess.Read))
            {
                IWorkbook workbook = null;
                if (fileNamePath.IndexOf(".xlsx") > 0) // 2007版本
                    workbook = new XSSFWorkbook(fs);
                else if (fileNamePath.IndexOf(".xls") > 0) // 2003版本
                    workbook = new HSSFWorkbook(fs);
                try
                {
                    for (int i = 0; i < workbook.NumberOfSheets; i++)
                    {
                        int startIndex = 2;
                        DoReadExcelImportMonthMeterReadData(workbook, i, startIndex, importMeterReadDatas);
                    }
                }
                catch (Exception ex)
                {
                    throw new Exception(ex.Message);
                }
                fs.Close();
            }
            return importMeterReadDatas;
        }

        private static List<ImportMeterReadData> DoReadExcelImportMonthMeterReadData(IWorkbook workbook, int index, int startRowIndex, List<ImportMeterReadData> importMeterReadDatas)
        {
            ISheet sheet = workbook.GetSheetAt(index);
            if (sheet == null)
                throw new Exception("获取不到工作簿，工作簿索引：" + index);
            int rfirst = startRowIndex > 0 ? startRowIndex - 1 : sheet.FirstRowNum;//行首
            int rlast = sheet.LastRowNum;//行尾
            if (rlast < 2)
                throw new Exception("工作簿中的数据为空，请确认！" + index);
            IRow row = sheet.GetRow(rfirst + 1);
            int clast = row.LastCellNum;
            DataTable dt = DoReadExcelByOledb(workbook, index, startRowIndex);
            var timeStr = sheet.GetRow(1).GetCell(4).StringCellValue;
            var sTime = DateTime.Parse(timeStr);
            for (int i = rfirst - 1; i <= rlast - 2; i++)//第三行数据
            {
                var nTime = sTime;
                DataRow ir = dt.Rows[i];
                if (ir.Table.Rows.Count > 0)
                {
                    for (int j = 4; j < clast; j++)
                    {
                        if (ir[j]?.ToString().Length > 0)
                        {
                            ImportMeterReadData meterReadData = new ImportMeterReadData
                            {
                                Name = ir[0].ToString(),
                                Data = decimal.Parse(ir[j].ToString()),
                                Time = nTime,
                            };
                            if (meterReadData.Name == null)
                                throw new Exception($"第{i + 1}行的器具为空，导入失败");
                            importMeterReadDatas.Add(meterReadData);
                        }
                        nTime = nTime.AddDays(1);
                    }
                }
                else break;

            }
            return importMeterReadDatas;
        }

        /// <summary>
        /// 日抄表卡数据导入页面处理
        /// </summary>
        /// <param name="fileNamePath"></param>
        /// <returns></returns>
        public static List<ImportMeterReadData> ReadExcelByImportDayMeterReadData(string fileNamePath)
        {
            List<ImportMeterReadData> importMeterReadDatas = new List<ImportMeterReadData>();
            if (!File.Exists(fileNamePath)) return null;
            using (FileStream fs = new FileStream(fileNamePath, FileMode.Open, FileAccess.Read))
            {
                IWorkbook workbook = null;
                if (fileNamePath.IndexOf(".xlsx") > 0) // 2007版本
                    workbook = new XSSFWorkbook(fs);
                else if (fileNamePath.IndexOf(".xls") > 0) // 2003版本
                    workbook = new HSSFWorkbook(fs);
                try
                {
                    for (int i = 0; i < workbook.NumberOfSheets; i++)
                    {
                        int startIndex = 2;
                        DoReadExcelImportDayMeterReadData(workbook, i, startIndex, importMeterReadDatas);
                    }
                }
                catch (Exception ex)
                {
                    throw new Exception(ex.Message);
                }
                fs.Close();
            }
            return importMeterReadDatas;
        }

        private static List<ImportMeterReadData> DoReadExcelImportDayMeterReadData(IWorkbook workbook, int index, int startRowIndex, List<ImportMeterReadData> importMeterReadDatas)
        {
            ISheet sheet = workbook.GetSheetAt(index);
            if (sheet == null)
                throw new Exception("获取不到工作簿，工作簿索引：" + index);
            int rfirst = startRowIndex > 0 ? startRowIndex - 1 : sheet.FirstRowNum;//行首
            int rlast = sheet.LastRowNum;//行尾
            if (rlast < 2)
                throw new Exception("工作簿中的数据为空，请确认！" + index);
            IRow row = sheet.GetRow(rfirst + 1);
            int clast = row.LastCellNum;
            DataTable dt = DoReadExcelByOledb(workbook, index, startRowIndex);
            var timeStr = sheet.GetRow(1).GetCell(4).StringCellValue;
            var sTime = DateTime.Parse(timeStr);
            for (int i = rfirst - 1; i <= rlast - 2; i++)//第三行数据
            {
                var nTime = sTime;
                DataRow ir = dt.Rows[i];
                if (ir.Table.Rows.Count > 0)
                {
                    for (int j = 4; j < clast; j++)
                    {
                        if (ir[j]?.ToString().Length > 0)
                        {
                            ImportMeterReadData meterReadData = new ImportMeterReadData
                            {
                                Name = ir[0].ToString(),
                                Data = decimal.Parse(ir[j].ToString()),
                                Time = nTime,
                            };
                            if (meterReadData.Name == null)
                                throw new Exception($"第{i + 1}行的器具为空，导入失败");
                            importMeterReadDatas.Add(meterReadData);
                        }
                        nTime = nTime.AddHours(1);
                    }
                }
                else break;

            }
            return importMeterReadDatas;
        }
        #endregion

        #region 生产记录导入页面处理
        /// <summary>
        /// 生产记录数据导入页面处理
        /// </summary>
        /// <param name="fileNamePath"></param>
        /// <returns></returns>
        public static List<ImportProductRecordData> ReadExcelByImportProductRecordData(string fileNamePath)
        {
            List<ImportProductRecordData> importMeterReadDatas = new List<ImportProductRecordData>();
            if (!File.Exists(fileNamePath)) return null;
            using (FileStream fs = new FileStream(fileNamePath, FileMode.Open, FileAccess.Read))
            {
                IWorkbook workbook = null;
                if (fileNamePath.IndexOf(".xlsx") > 0) // 2007版本
                    workbook = new XSSFWorkbook(fs);
                else if (fileNamePath.IndexOf(".xls") > 0) // 2003版本
                    workbook = new HSSFWorkbook(fs);
                try
                {
                    for (int i = 0; i < workbook.NumberOfSheets; i++)
                    {
                        int startIndex = 2;
                        DoReadExcelImportProductRecordData(workbook, i, startIndex, importMeterReadDatas);
                    }
                }
                catch (Exception ex)
                {
                    throw new Exception(ex.Message);
                }
                fs.Close();
            }
            return importMeterReadDatas;
        }

        private static List<ImportProductRecordData> DoReadExcelImportProductRecordData(IWorkbook workbook, int index, int startRowIndex, List<ImportProductRecordData> importMeterReadDatas)
        {
            ISheet sheet = workbook.GetSheetAt(index);
            DataTable dt = DoReadExcelByOledb(workbook, index, startRowIndex);
            if (sheet == null)
                throw new Exception("获取不到工作簿，工作簿索引：" + index);
            int rfirst = startRowIndex > 0 ? startRowIndex - 1 : sheet.FirstRowNum;//行首
            int rlast = sheet.LastRowNum;//行尾
            if (rlast < 2)
                throw new Exception("工作簿中的数据为空，请确认！" + index);
            IRow row = sheet.GetRow(rfirst + 1);

            for (int i = rfirst - 1; i <= rlast - 2; i++)//第三行数据
            {
                DataRow ir = dt.Rows[i];
                if (ir.Table.Rows.Count > 0)
                {
                    var meterReadData = new ImportProductRecordData()
                    {
                        Product_Code = ir[0].ToString(),
                        Product_Name = ir[1].ToString(),
                        MeterNode_Name = ir[2].ToString(),
                        Team_Name = ir[3].ToString(),
                        Class_Name = ir[4].ToString(),
                        Qty = decimal.Parse(ir[5].ToString()),
                        Start_Time = DateTime.Parse(ir[6].ToString()),
                        End_Time = DateTime.Parse(ir[7].ToString()),
                        Modify_Time = DateTime.Parse(ir[8].ToString()),
                        Order_Status = ir[9].ToString(),
                        Remark = ir.Table.Rows.Count == 10 ? "" : ir[10].ToString(),
                    };
                    importMeterReadDatas.Add(meterReadData);
                }
                else break;
            }
            return importMeterReadDatas;
        }

        #endregion

        #region 能源采购导入页面处理
        /// <summary>
        /// 能源采购导入页面处理
        /// </summary>
        /// <param name="fileNamePath"></param>
        /// <returns></returns>
        public static List<ImportEnergyPurchaseData> ReadExcelByImportEnergyPurchaseData(string fileNamePath)
        {
            List<ImportEnergyPurchaseData> importEnergyPurchaseDatas = new List<ImportEnergyPurchaseData>();
            if (!File.Exists(fileNamePath)) return null;
            using (FileStream fs = new FileStream(fileNamePath, FileMode.Open, FileAccess.Read))
            {
                IWorkbook workbook = null;
                if (fileNamePath.IndexOf(".xlsx") > 0) // 2007版本
                    workbook = new XSSFWorkbook(fs);
                else if (fileNamePath.IndexOf(".xls") > 0) // 2003版本
                    workbook = new HSSFWorkbook(fs);
                try
                {
                    for (int i = 0; i < workbook.NumberOfSheets; i++)
                    {
                        int startIndex = 2;
                        DoReadExcelImportEnergyPurchaseData(workbook, i, startIndex, importEnergyPurchaseDatas);
                    }
                }
                catch (Exception ex)
                {
                    throw new Exception(ex.Message);
                }
                fs.Close();
            }
            return importEnergyPurchaseDatas;
        }

        private static List<ImportEnergyPurchaseData> DoReadExcelImportEnergyPurchaseData(IWorkbook workbook, int index, int startRowIndex, List<ImportEnergyPurchaseData> importEnergyPurchaseDatas)
        {
            ISheet sheet = workbook.GetSheetAt(index);
            DataTable dt = DoReadExcelByOledb(workbook, index, startRowIndex);
            if (sheet == null)
                throw new Exception("获取不到工作簿，工作簿索引：" + index);
            int rfirst = startRowIndex > 0 ? startRowIndex - 1 : sheet.FirstRowNum;//行首
            int rlast = sheet.LastRowNum;//行尾
            if (rlast < 2)
                throw new Exception("工作簿中的数据为空，请确认！" + index);
            IRow row = sheet.GetRow(rfirst + 1);
            for (int i = rfirst - 1; i <= rlast - 2; i++)//第三行数据
            {
                DataRow ir = dt.Rows[i];
                if (ir.Table.Rows.Count > 0)
                {
                    var EnergyPurchaseData = new ImportEnergyPurchaseData()
                    {
                        Energy_Name = ir[0].ToString(),
                        Qty = decimal.Parse(ir[3].ToString()),
                        Batch = ir[4].ToString(),
                        Plan_Date = DateTime.Parse(ir[5].ToString()),
                    };
                    importEnergyPurchaseDatas.Add(EnergyPurchaseData);
                }
                else break;

            }
            return importEnergyPurchaseDatas;
        }

        #endregion

        #region 生产记录导入

        /// <summary>
        /// 生产记录导入
        /// </summary>
        /// <param name="fileNamePath"></param>
        /// <returns></returns>
        public static List<ImportProductRecordData> ReadExcelByImportProductionRecords(string fileNamePath)
        {
            var importMeterReadDatas = new List<ImportProductRecordData>();
            if (!File.Exists(fileNamePath)) return null;
            using (FileStream fs = new FileStream(fileNamePath, FileMode.Open, FileAccess.Read))
            {
                IWorkbook workbook = null;
                if (fileNamePath.IndexOf(".xlsx") > 0) // 2007版本
                    workbook = new XSSFWorkbook(fs);
                else if (fileNamePath.IndexOf(".xls") > 0) // 2003版本
                    workbook = new HSSFWorkbook(fs);
                try
                {
                    for (int i = 0; i < workbook.NumberOfSheets; i++)
                    {
                        int startIndex = 3;
                        DoReadExcelImportProductionRecords(workbook, i, startIndex, importMeterReadDatas);
                    }
                }
                catch (Exception ex)
                {
                    throw new Exception(ex.Message);
                }
                fs.Close();
            }
            return importMeterReadDatas;
        }

        private static void DoReadExcelImportProductionRecords(IWorkbook workbook, int index, int startRowIndex, List<ImportProductRecordData> importMeterReadDatas)
        {
            ISheet sheet = workbook.GetSheetAt(index);
            DataTable dt = DoReadExcelByOledb(workbook, index, startRowIndex);
            if (sheet == null)
                throw new Exception("获取不到工作簿，工作簿索引：" + index);
            int rlast = sheet.LastRowNum;//行尾
            if (rlast < startRowIndex)
                throw new Exception("工作簿中的数据为空，请确认！" + index);

            IRow row = sheet.GetRow(1);
            var nodeName = row.Cells[0].ToString();
            var cloumn = sheet.GetRow(2).Cells;
            for (int i = 0; i < dt.Rows.Count; i++)//第三行数据
            {
                DataRow ir = dt.Rows[i];
                if (string.IsNullOrEmpty(ir[0].ToString()))
                    continue;

                var items = GetTimeRatio(ir[0].ToString(), ir[1].ToString().Split(','));
                var total = items.Sum(x => x.Minute);
                foreach (var item in items)
                {
                    for (int j = 5; j < cloumn.Count; j++)
                    {
                        var model = new ImportProductRecordData
                        {
                            Product_Name = cloumn[j].ToString(),
                            MeterNode_Name = nodeName,
                            Class_Name = ir[2].ToString(),
                            Team_Name = ir[3].ToString(),
                            Start_Time = item.StartTime,
                            End_Time = item.EndTime
                        };
                        if (items.Count > 1)
                        {
                            var qty = decimal.Parse(ir[j].ToString());
                            var workHour = decimal.Parse(ir[4].ToString());
                            var ratio = total == 0 ? 0 : item.Minute / total;
                            model.Qty = qty * ratio;
                            model.WorkHour = workHour * ratio;
                        }
                        else
                        {
                            model.Qty = decimal.Parse(ir[j].ToString());
                            model.WorkHour = decimal.Parse(ir[4].ToString());
                        }
                        importMeterReadDatas.Add(model);
                    }
                }

            }
        }

        private static List<TimeRatio> GetTimeRatio(string date, string[] array)
        {
            var list = new List<TimeRatio>();

            foreach (var item in array)
            {
                var split = item.Split('-');
                var st = DateTime.Parse($"{date} {split[0]}");
                var et = DateTime.Parse($"{date} {split[1]}");
                var minute = (et - st).TotalMinutes;
                list.Add(new TimeRatio { StartTime = st, EndTime = et, Minute = (decimal)minute });
            }

            return list;
        }
        #region 生产记录按部门导入
        public static List<ImportDeptRecordData> ReadExcelByImportDeptRecords(string fileNamePath)
        {
            var importDeptReadDatas = new List<ImportDeptRecordData>();
            if (!File.Exists(fileNamePath)) return null;
            using (FileStream fs = new FileStream(fileNamePath, FileMode.Open, FileAccess.Read))
            {
                IWorkbook workbook = null;
                if (fileNamePath.IndexOf(".xlsx") > 0) // 2007版本
                    workbook = new XSSFWorkbook(fs);
                else if (fileNamePath.IndexOf(".xls") > 0) // 2003版本
                    workbook = new HSSFWorkbook(fs);
                try
                {
                    for (int i = 0; i < workbook.NumberOfSheets; i++)
                    {
                        int startIndex = 3;
                        DoReadExcelImportDeptRecords(workbook, i, startIndex, importDeptReadDatas);
                    }
                }
                catch (Exception ex)
                {
                    throw new Exception(ex.Message);
                }
                fs.Close();
            }
            return importDeptReadDatas;
        }

        private static void DoReadExcelImportDeptRecords(IWorkbook workbook, int index, int startRowIndex, List<ImportDeptRecordData> importDeptReadDatas)
        {
            ISheet sheet = workbook.GetSheetAt(index);
            DataTable dt = DoReadExcelByOledb(workbook, index, startRowIndex);
            if (sheet == null)
                throw new Exception("获取不到工作簿，工作簿索引：" + index);
            int rlast = sheet.LastRowNum;//行尾
            if (rlast < startRowIndex)
                throw new Exception("工作簿中的数据为空，请确认！" + index);

            IRow row = sheet.GetRow(1);
            var nodeName = row.Cells[0].ToString();
            var cloumn = sheet.GetRow(2).Cells;
            for (int i = 0; i < dt.Rows.Count; i++)//第三行数据
            {
                DataRow ir = dt.Rows[i];
                if (string.IsNullOrEmpty(ir[0].ToString()))
                    continue;
                for (int colIndex = 1; colIndex < cloumn.Count; colIndex++)
                {
                    var model = new ImportDeptRecordData
                    {
                        Equip_Name = ir[0].ToString(),
                        Dept_Name = nodeName,
                        Qty = decimal.Parse(ir[colIndex].ToString()),
                        Time = Convert.ToDateTime(cloumn[colIndex].ToString())
                    };
                    importDeptReadDatas.Add(model);
                }
            }
        }
        #endregion

        #endregion

        #region 生产计划导入

        /// <summary>
        /// 生产计划导入
        /// </summary>
        /// <param name="fileNamePath"></param>
        /// <returns></returns>
        public static List<ImportProductPlanData> ReadExcelByImportProductionPlans(string fileNamePath)
        {
            var importMeterReadDatas = new List<ImportProductPlanData>();
            if (!File.Exists(fileNamePath)) return null;
            using (FileStream fs = new FileStream(fileNamePath, FileMode.Open, FileAccess.Read))
            {
                IWorkbook workbook = null;
                if (fileNamePath.IndexOf(".xlsx") > 0) // 2007版本
                    workbook = new XSSFWorkbook(fs);
                else if (fileNamePath.IndexOf(".xls") > 0) // 2003版本
                    workbook = new HSSFWorkbook(fs);
                try
                {
                    for (int i = 0; i < workbook.NumberOfSheets; i++)
                    {
                        int startIndex = 3;
                        DoReadExcelImportProductionPlans(workbook, i, startIndex, importMeterReadDatas);
                    }
                }
                catch (Exception ex)
                {
                    throw new Exception(ex.Message);
                }
                fs.Close();
            }
            return importMeterReadDatas;
        }

        private static void DoReadExcelImportProductionPlans(IWorkbook workbook, int index, int startRowIndex, List<ImportProductPlanData> importMeterReadDatas)
        {
            ISheet sheet = workbook.GetSheetAt(index);
            DataTable dt = DoReadExcelByOledb(workbook, index, startRowIndex);
            if (sheet == null)
                throw new Exception("获取不到工作簿，工作簿索引：" + index);
            int rlast = sheet.LastRowNum;//行尾
            if (rlast < startRowIndex)
                throw new Exception("工作簿中的数据为空，请确认！" + index);

            IRow row = sheet.GetRow(1);
            var nodeName = row.Cells[0].ToString();
            var cloumn = sheet.GetRow(2).Cells;
            for (int i = 0; i < dt.Rows.Count; i++)//第三行数据
            {
                DataRow ir = dt.Rows[i];
                if (string.IsNullOrEmpty(ir[0].ToString()))
                    continue;

                for (int j = 1; j < cloumn.Count; j++)
                {
                    var model = new ImportProductPlanData
                    {
                        Product_Name = cloumn[j].ToString(),
                        MeterNode_Name = nodeName,
                        Start_Time = Convert.ToDateTime(ir[0].ToString() + " 00:00:00"),
                        End_Time = Convert.ToDateTime(ir[0].ToString() + " 23:59:59"),
                        Qty = decimal.Parse(ir[j].ToString() == "" ? "0" : ir[j].ToString())
                    };
                    importMeterReadDatas.Add(model);
                }
            }
        }
        #endregion

        #region 公共方法


        #endregion
    }

    public class TimeRatio
    {
        public DateTime StartTime { get; set; }

        public DateTime EndTime { get; set; }

        /// <summary>
        /// 间隔分钟数
        /// </summary>
        public decimal Minute { get; set; }
    }
}