AIPlatform/AIPlatform.Protocol/Utilities/ExcelHelper.cs

using NPOI.HSSF.UserModel;
using NPOI.SS.Formula.Eval;
using NPOI.SS.UserModel;
using NPOI.SS.Util;
using NPOI.XSSF.UserModel;
using System;
using System.Collections.Generic;
using System.Data;
using System.IO;
using System.Text;

namespace AIPlatform.Protocol.Utilities
{
    /// <summary>
    /// 单元格
    /// </summary>
    public class MergedRegion
    {
        /// <summary>
        /// 起始行
        /// </summary>
        public int FirstRow { get; set; }
        /// <summary>
        /// 结束行
        /// </summary>
        public int LastRow { get; set; }
        /// <summary>
        /// 起始列
        /// </summary>
        public int FirstCol { get; set; }
        /// <summary>
        /// 结束列
        /// </summary>
        public int LastCol { get; set; }
    }

    public class ExcelHelper
    {
        private IWorkbook _workbook = null;
        private FileStream _fs = null;
        private bool _disposed;

        public ExcelHelper()
        {
            _disposed = false;
        }

        /// <summary>
        /// 将DataTable数据导入到excel中
        /// </summary>
        /// <param name="data">要导入的数据</param>
        /// <param name="isColumnWritten">DataTable的列名是否要导入</param>
        /// <param name="sheetName">要导入的excel的sheet的名称</param>
        /// <returns>导入数据行数(包含列名那一行)</returns>
        public int DataTableToExcel(string _fileName, DataTable data, string sheetName, bool isColumnWritten)
        {
            _fs = new FileStream(_fileName, FileMode.OpenOrCreate, FileAccess.ReadWrite);
            if (_fileName.IndexOf(".xlsx", StringComparison.Ordinal) > 0) // 2007版本
                _workbook = new XSSFWorkbook();
            else if (_fileName.IndexOf(".xls", StringComparison.Ordinal) > 0) // 2003版本
                _workbook = new HSSFWorkbook();

            try
            {
                ISheet sheet = null;
                if (_workbook != null)
                {
                    sheet = _workbook.CreateSheet(sheetName);
                }
                else
                {
                    return -1;
                }

                var count = 0;
                var j = 0;
                if (isColumnWritten == true) //写入DataTable的列名
                {
                    IRow row = sheet.CreateRow(0);
                    for (j = 0; j < data.Columns.Count; ++j)
                    {
                        row.CreateCell(j).SetCellValue(data.Columns[j].ColumnName);
                    }
                    count = 1;
                }
                else
                {
                    count = 0;
                }

                var i = 0;
                for (i = 0; i < data.Rows.Count; ++i)
                {
                    IRow row = sheet.CreateRow(count);
                    for (j = 0; j < data.Columns.Count; ++j)
                    {
                        row.CreateCell(j).SetCellValue(data.Rows[i][j].ToString());
                    }
                    ++count;
                }
                _workbook.Write(_fs); //写入到excel
                return count;
            }
            catch (Exception ex)
            {
                Logger.WriteLineError("DataTable to excel failed: " + ex.Message);
                return -1;
            }
        }

        /// <summary>
        /// 将excel中的数据导入到DataTable中
        /// </summary>
        /// <param name="sheetName">excel工作薄sheet的名称</param>
        /// <param name="isFirstRowColumn">第一行是否是DataTable的列名</param>
        /// <returns>返回的DataTable</returns>
        public DataTable ExcelToDataTable(string _fileName, string sheetName = "Sheet1", bool isFirstRowColumn = true)
        {
            DataTable data = new DataTable();
            try
            {
                _fs = new FileStream(_fileName, FileMode.Open, FileAccess.Read);
                if (_fileName.IndexOf(".xlsx", StringComparison.Ordinal) > 0) // 2007版本
                    _workbook = new XSSFWorkbook(_fs);
                else if (_fileName.IndexOf(".xls", StringComparison.Ordinal) > 0) // 2003版本
                    _workbook = new HSSFWorkbook(_fs);

                ISheet sheet = null;
                if (sheetName != null)
                {
                    sheet = _workbook.GetSheet(sheetName);
                    if (sheet == null) //如果没有找到指定的sheetName对应的sheet，则尝试获取第一个sheet
                    {
                        sheet = _workbook.GetSheetAt(0);
                    }
                }
                else
                {
                    sheet = _workbook.GetSheetAt(0);
                }
                if (sheet != null)
                {
                    IRow firstRow = sheet.GetRow(0);
                    int cellCount = firstRow.LastCellNum; //一行最后一个cell的编号 即总的列数

                    var startRow = 0;
                    if (isFirstRowColumn)
                    {
                        for (int i = firstRow.FirstCellNum; i < cellCount; ++i)
                        {
                            ICell cell = firstRow.GetCell(i);
                            if (cell != null)
                            {
                                string cellValue = cell.StringCellValue.Trim();
                                if (cellValue != null)
                                {
                                    DataColumn column = new DataColumn(cellValue);
                                    data.Columns.Add(column);
                                }
                            }
                        }
                        startRow = sheet.FirstRowNum + 1;
                    }
                    else
                    {
                        startRow = sheet.FirstRowNum;
                    }

                    //最后一列的标号
                    int rowCount = sheet.LastRowNum;
                    for (int i = startRow; i <= rowCount; ++i)
                    {
                        IRow row = sheet.GetRow(i);
                        if (row == null || row.FirstCellNum < 0) continue; //没有数据的行默认是null　　　　　　　

                        DataRow dataRow = data.NewRow();
                        for (int j = row.FirstCellNum; j < cellCount; ++j)
                        {
                            if (row.GetCell(j) != null) //同理，没有数据的单元格都默认是null
                                dataRow[j] = row.GetCell(j).ToString().Trim();
                        }
                        data.Rows.Add(dataRow);
                    }
                }

                return data;
            }
            catch (Exception ex)
            {
                Logger.WriteLineError("Excel to dataTable failed: " + ex);
                return null;
            }
        }
        public DataTable ExcelToDataTable(string _fileName, out string productName, string sheetName = "Sheet1", bool isFirstRowColumn = true)
        {
            productName = string.Empty;
            DataTable data = new DataTable();
            try
            {
                _fs = new FileStream(_fileName, FileMode.Open, FileAccess.Read);
                if (_fileName.IndexOf(".xlsx", StringComparison.Ordinal) > 0) // 2007版本
                    _workbook = new XSSFWorkbook(_fs);
                else if (_fileName.IndexOf(".xls", StringComparison.Ordinal) > 0) // 2003版本
                    _workbook = new HSSFWorkbook(_fs);

                ISheet sheet = null;
                if (sheetName != null)
                {
                    sheet = _workbook.GetSheet(sheetName);
                    if (sheet == null) //如果没有找到指定的sheetName对应的sheet，则尝试获取第一个sheet
                    {
                        sheet = _workbook.GetSheetAt(0);
                    }
                }
                else
                {
                    sheet = _workbook.GetSheetAt(0);
                }
                if (sheet != null)
                {
                    IRow firstRow = sheet.GetRow(0);
                    int cellCount = firstRow.LastCellNum; //一行最后一个cell的编号 即总的列数
                    productName = firstRow.GetCell(4).StringCellValue;
                    var startRow = 0;
                    if (isFirstRowColumn)
                    {
                        for (int i = firstRow.FirstCellNum; i < cellCount; ++i)
                        {
                            ICell cell = firstRow.GetCell(i);
                            if (cell != null)
                            {
                                string cellValue = cell.StringCellValue.Trim();
                                if (cellValue != null)
                                {
                                    DataColumn column = new DataColumn(cellValue);
                                    data.Columns.Add(column);
                                }
                            }
                        }
                        startRow = sheet.FirstRowNum + 1;
                    }
                    else
                    {
                        startRow = sheet.FirstRowNum;
                    }

                    //最后一列的标号
                    int rowCount = sheet.LastRowNum;
                    for (int i = startRow; i <= rowCount; ++i)
                    {
                        IRow row = sheet.GetRow(i);
                        if (row == null || row.FirstCellNum < 0) continue; //没有数据的行默认是null　　　　　　　

                        DataRow dataRow = data.NewRow();
                        for (int j = row.FirstCellNum; j < cellCount; ++j)
                        {
                            if (row.GetCell(j) != null) //同理，没有数据的单元格都默认是null
                                dataRow[j] = row.GetCell(j).ToString().Trim();
                        }
                        data.Rows.Add(dataRow);
                    }
                }

                return data;
            }
            catch (Exception ex)
            {
                Logger.WriteLineError("Excel to dataTable failed: " + ex);
                return null;
            }
        }

        /// <summary>
        /// 将Excel中的数据导入到DataTable中
        /// </summary>
        /// <param name="_fileName">文件名</param>
        /// <param name="colNames">列名</param>
        /// <param name="categorties">分类</param>
        /// <param name="sheetName">工作表名</param>
        /// <param name="isFirstRowColumn">第一行是否是DataTable的列名</param>
        /// <returns></returns>
        public DataTable ExcelToDataTable(string _fileName, out List<string> colNames, out List<string> categorties, string sheetName = "Sheet1", bool isFirstRowColumn = true)
        {
            colNames = new List<string>();
            categorties = new List<string>();
            DataTable data = new DataTable();
            try
            {
                _fs = new FileStream(_fileName, FileMode.Open, FileAccess.Read);
                if (_fileName.IndexOf(".xlsx", StringComparison.Ordinal) > 0) // 2007版本
                    _workbook = new XSSFWorkbook(_fs);
                else if (_fileName.IndexOf(".xls", StringComparison.Ordinal) > 0) // 2003版本
                    _workbook = new HSSFWorkbook(_fs);

                ISheet sheet = null;
                if (sheetName != null)
                {
                    sheet = _workbook.GetSheet(sheetName);
                    if (sheet == null) //如果没有找到指定的sheetName对应的sheet，则尝试获取第一个sheet
                    {
                        sheet = _workbook.GetSheetAt(0);
                    }
                }
                else
                {
                    sheet = _workbook.GetSheetAt(0);
                }
                if (sheet != null)
                {
                    IRow firstRow = sheet.GetRow(0);
                    int cellCount = firstRow.LastCellNum; //一行最后一个cell的编号 即总的列数
                    var startRow = 0;
                    if (isFirstRowColumn)
                    {
                        for (int i = firstRow.FirstCellNum; i < cellCount; ++i)
                        {
                            ICell cell = firstRow.GetCell(i);
                            if (cell != null)
                            {
                                string cellValue = cell.StringCellValue.Trim();
                                if (cellValue != null)
                                {
                                    DataColumn column = new DataColumn(cellValue);
                                    data.Columns.Add(column);
                                    colNames.Add(cellValue);
                                }
                            }
                        }
                        startRow = sheet.FirstRowNum + 1;
                    }
                    else
                    {
                        startRow = sheet.FirstRowNum;
                    }

                    //最后一列的标号
                    int rowCount = sheet.LastRowNum;
                    for (int i = startRow; i <= rowCount; ++i)
                    {
                        IRow row = sheet.GetRow(i);
                        if (row == null || row.FirstCellNum < 0) continue; //没有数据的行默认是null　　　　　　　

                        DataRow dataRow = data.NewRow();
                        for (int j = row.FirstCellNum; j < cellCount; ++j)
                        {
                            if (row.GetCell(j) != null) //同理，没有数据的单元格都默认是null
                            {
                                dataRow[j] = row.GetCell(j).ToString().Trim();
                                //获取分类
                                var font = row.GetCell(j).CellStyle.GetFont(_workbook);
                                if (!string.IsNullOrEmpty(dataRow[j].ToString()) && font.IsItalic && font.IsBold) //字体加粗、斜体默认为分类
                                {
                                    categorties.Add(dataRow[j].ToString());
                                }
                            }
                        }
                        data.Rows.Add(dataRow);
                    }
                }

                return data;
            }
            catch (Exception ex)
            {
                Logger.WriteLineError("Excel to dataTable failed: " + ex);
                return null;
            }
        }

        public DataTable ExcelToDataTableByStream(Stream fileStream, string sheetName = "Sheet1", bool isFirstRowColumn = true)
        {
            DataTable data = new DataTable();
            try
            {
                if (fileStream == null)
                {
                    return data;
                }
                _workbook = new XSSFWorkbook(fileStream);
                ISheet sheet = null;
                if (sheetName != null)
                {
                    sheet = _workbook.GetSheet(sheetName);
                    if (sheet == null) //如果没有找到指定的sheetName对应的sheet，则尝试获取第一个sheet
                    {
                        sheet = _workbook.GetSheetAt(0);
                    }
                }
                else
                {
                    sheet = _workbook.GetSheetAt(0);
                }
                if (sheet != null)
                {
                    IRow firstRow = sheet.GetRow(0);
                    int cellCount = firstRow.LastCellNum; //一行最后一个cell的编号 即总的列数
                    var startRow = 0;
                    if (isFirstRowColumn)
                    {
                        for (int i = firstRow.FirstCellNum; i < cellCount; ++i)
                        {
                            ICell cell = firstRow.GetCell(i);
                            if (cell != null)
                            {
                                string cellValue = cell.StringCellValue.Trim();
                                if (cellValue != null)
                                {
                                    DataColumn column = new DataColumn(cellValue);
                                    data.Columns.Add(column);
                                }
                            }
                        }
                        startRow = sheet.FirstRowNum + 1;
                    }
                    else
                    {
                        startRow = sheet.FirstRowNum;
                    }

                    //最后一列的标号
                    int rowCount = sheet.LastRowNum;
                    for (int i = startRow; i <= rowCount; ++i)
                    {
                        IRow row = sheet.GetRow(i);
                        if (row == null || row.FirstCellNum < 0) continue; //没有数据的行默认是null　　　　　　　

                        DataRow dataRow = data.NewRow();
                        for (int j = row.FirstCellNum; j < cellCount; ++j)
                        {
                            if (row.GetCell(j) != null) //同理，没有数据的单元格都默认是null
                            {
                                dataRow[j] = row.GetCell(j).ToString().Trim();
                            }
                        }
                        data.Rows.Add(dataRow);
                    }
                }

                return data;
            }
            catch (Exception ex)
            {
                Logger.WriteLineError("ProductSpecExcelToDataTableByStream failed: " + ex);
                return null;
            }
        }

        /// <summary>
        /// 写值
        /// </summary>
        /// <param name="sheet">工作表</param>
        /// <param name="row">行号，从1计</param>
        /// <param name="column">列号，从1计</param>
        /// <param name="value"></param>
        /// <param name="isWrapText">自动换行</param>
        /// <param name="heightInPoints">行高</param>
        /// <param name="IsCenter">居中</param>
        public void SetValue(ISheet sheet, int row, int column, string value, bool isWrapText = false, int heightInPoints = 20, bool IsCenter = false, bool fontName = false)
        {
            row -= 1;
            IRow xrow = sheet.GetRow(row);
            if (xrow == null)
            {
                xrow = sheet.CreateRow(row);
            }
            //行高
            xrow.HeightInPoints = heightInPoints;

            column -= 1;
            var cell = xrow.GetCell(column);
            if (cell == null)
            {
                cell = xrow.CreateCell(column);
            }
            if (IsCenter)
            {
                cell.CellStyle.Alignment = HorizontalAlignment.Center;//居中
            }
            if (fontName)
            {

            }
            //设置单元格内容换行
            if (isWrapText)
            {
                cell.CellStyle.WrapText = true;
            }

            cell.SetCellValue(value ?? string.Empty);
        }
        public void SetStyleValue(ISheet sheet, int row, int column, string value, XSSFWorkbook book, bool isWrapText = false, int heightInPoints = 20, bool IsCenter = false, string strValue = null, string descriptionEnglish = null)
        {
            row -= 1;
            IRow xrow = sheet.GetRow(row);
            if (xrow == null)
            {
                xrow = sheet.CreateRow(row);
            }
            //行高
            xrow.HeightInPoints = heightInPoints;

            column -= 1;
            var cell = xrow.GetCell(column);
            if (cell == null)
            {
                cell = xrow.CreateCell(column);
            }
            if (IsCenter)
            {
                cell.CellStyle.Alignment = HorizontalAlignment.Center;//居中
            }

            IFont font2 = book.CreateFont(); ;
            font2.Color = IndexedColors.Black.Index;
            font2.FontName = "黑体";
            font2.FontHeightInPoints = (short)10;
            var rts1 = new XSSFRichTextString(strValue + descriptionEnglish + value);
            if (!string.IsNullOrEmpty(strValue + descriptionEnglish + value))
            {
                IFont monthFont = book.CreateFont();
                monthFont.FontHeightInPoints = 11;
                monthFont.FontName = "黑体";
                monthFont.Boldweight = (short)FontBoldWeight.Bold;
                if (!string.IsNullOrEmpty(strValue))
                    rts1.ApplyFont(0, strValue.Length - 1, monthFont);
                if (!string.IsNullOrEmpty(descriptionEnglish))
                    rts1.ApplyFont(strValue.Length, (strValue + descriptionEnglish).Length - 1, monthFont);
                if (!string.IsNullOrEmpty(value))
                    rts1.ApplyFont((strValue + descriptionEnglish).Length, (strValue + value + descriptionEnglish).Length - 1, font2);
            }
            if (!string.IsNullOrEmpty(descriptionEnglish))
            {
                //设置单元格内容换行
                if (isWrapText)
                {
                    cell.CellStyle.WrapText = true;
                }

            }
            cell.SetCellValue(rts1);
            // cell.SetCellValue(value);
        }
        /// <summary>
        ///  设置行高
        /// </summary>
        /// <param name="sheet"></param>
        /// <param name="row">行号，从1计</param>
        /// <param name="column">列号，从1计</param>
        /// <param name="width">行宽</param>
        public void SetHeightInPoints(ISheet sheet, int row, int column, string value = null, int width = 180, int height = 18)
        {
            row -= 1;
            IRow xrow = sheet.GetRow(row);
            if (xrow == null)
            {
                xrow = sheet.CreateRow(row);
            }

            column -= 1;

            var cell = xrow.GetCell(column);
            if (cell == null)
            {
                cell = xrow.CreateCell(column);
            }
            //设置单元格内容换行
            //cell.CellStyle.WrapText = true;

            #region 设置行高
            value = value ?? GetCellValue(cell).ToString();
            var heightInPoints = 0;
            var strVal = value.Split("\r\n".ToCharArray());
            foreach (var val in strVal)
            {
                var strVal2 = val.Split(new char[] { '\r', '\n' });
                foreach (var val2 in strVal2)
                {
                    var length = Encoding.UTF8.GetBytes(val2).Length;
                    heightInPoints += height * (length / width + 1);
                }
            }
            xrow.HeightInPoints = heightInPoints;
            #endregion
            if (!string.IsNullOrEmpty(value))
            {
                cell.SetCellValue(value);
            }
        }
        public void SetValue(ISheet sheet, int row, int column, double value, int heightInPoints = 20)
        {
            row -= 1;
            IRow xrow = sheet.GetRow(row);
            if (xrow == null)
            {
                xrow = sheet.CreateRow(row);
            }
            //行高
            xrow.HeightInPoints = heightInPoints;

            column -= 1;
            var cell = xrow.GetCell(column);
            if (cell == null)
            {
                cell = xrow.CreateCell(column);
            }
            cell.SetCellValue(value);
        }

        public void SetValueAndFormuar(ISheet sheet, int row, int column, string value, string formular = null)
        {
            row -= 1;
            IRow xrow = sheet.GetRow(row);
            if (xrow == null)
            {
                xrow = sheet.CreateRow(row);
            }
            column -= 1;
            var cell = xrow.GetCell(column);
            if (cell != null)
            {
                cell.SetCellValue(value);
                if (!string.IsNullOrEmpty(formular))
                {
                    cell.SetCellType(CellType.Formula);
                    cell.SetCellFormula(formular);
                }
            }
            else
                cell = xrow.CreateCell(column);
        }

        public void SetValueAndCellStyle(XSSFWorkbook book, ISheet sheet, int row, int column, string value, bool isBold = false, bool IsItalic = false, bool isFillBackgroundColor = false,
            bool isBorder = false, bool isWrapText = false, int heightInPoints = 20)
        {
            var cell = SetValueAndStyle(book, sheet, row, column, isBold, IsItalic, isFillBackgroundColor, isBorder, isWrapText, heightInPoints);
            //设置单元格内容
            cell.SetCellValue(value);
        }

        public void SetValueAndCellStyle(XSSFWorkbook book, ISheet sheet, int row, int column, double value, bool isBold = false, bool IsItalic = false, bool isFillBackgroundColor = false,
            bool isBorder = false, bool isWrapText = false, int heightInPoints = 20)
        {
            var cell = SetValueAndStyle(book, sheet, row, column, isBold, IsItalic, isFillBackgroundColor, isBorder, isWrapText, heightInPoints);
            //设置单元格内容
            cell.SetCellValue(value);
        }

        private ICell SetValueAndStyle(XSSFWorkbook book, ISheet sheet, int row, int column, bool isBold = false, bool IsItalic = false, bool isFillBackgroundColor = false,
            bool isBorder = false, bool isWrapText = false, int heightInPoints = 20)
        {
            //在工作表中：建立行，参数为行号，从1计
            row -= 1;
            IRow xrow = sheet.GetRow(row);
            if (xrow == null)
            {
                xrow = sheet.CreateRow(row);
            }
            //行高
            xrow.HeightInPoints = heightInPoints;
            //在行中：建立单元格，参数为列号，从1计
            column -= 1;
            var cell = xrow.GetCell(column);
            if (cell == null)
            {
                cell = xrow.CreateCell(column);
                var style = book.CreateCellStyle();

                //设置单元格的样式：
                cell.CellStyle.Alignment = HorizontalAlignment.Left;//左对齐
                cell.CellStyle.VerticalAlignment = VerticalAlignment.Center;//垂直居中
                var font = book.CreateFont();
                //字体
                font.FontName = "Calibri";
                //字体大小
                font.FontHeightInPoints = 12;
                //设置字体加粗样式
                font.IsBold = isBold;
                //斜体
                font.IsItalic = IsItalic;
                //使用SetFont方法将字体样式添加到单元格样式中 
                style.SetFont(font);
                cell.CellStyle = style;
            }
            //背景色
            if (isFillBackgroundColor)
            {
                cell.CellStyle.FillForegroundColor = NPOI.HSSF.Util.HSSFColor.Yellow.Index;// 是设置前景色不是背景色
                cell.CellStyle.FillPattern = FillPattern.SolidForeground;
            }

            //加边框
            if (isBorder)
            {
                var style = book.CreateCellStyle();
                style.CloneStyleFrom(cell.CellStyle);
                style.BorderTop = BorderStyle.Thin;
                style.BorderRight = BorderStyle.Thin;
                style.BorderLeft = BorderStyle.Thin;
                style.BorderBottom = BorderStyle.Thin;
                cell.CellStyle = style;
            }
            //设置单元格内容换行
            cell.CellStyle.WrapText = isWrapText;
            return cell;
        }

        public void SetValueAndBackgroundColor(XSSFWorkbook book, ISheet sheet, int row, int column, string value, bool isFillBackgroundColor = true,
            int heightInPoints = 20, short color = NPOI.HSSF.Util.HSSFColor.Yellow.Index)
        {
            //在工作表中：建立行，参数为行号，从1计
            row -= 1;
            IRow xrow = sheet.GetRow(row);
            if (xrow == null)
            {
                xrow = sheet.CreateRow(row);
            }
            //行高
            xrow.HeightInPoints = heightInPoints;
            //在行中：建立单元格，参数为列号，从1计
            column -= 1;
            var cell = xrow.GetCell(column);
            if (cell == null)
            {
                cell = xrow.CreateCell(column);
            }
            //设置单元格的样式：背景色
            if (isFillBackgroundColor)
            {
                var style = book.CreateCellStyle();
                style.CloneStyleFrom(cell.CellStyle);
                style.FillForegroundColor = color;
                style.FillPattern = FillPattern.SolidForeground;
                cell.CellStyle = style;
            }
            //设置单元格内容换行
            cell.CellStyle.WrapText = true;
            //设置单元格内容
            cell.SetCellValue(value ?? string.Empty);
        }

        public void SetValueAndBackgroundColor(XSSFWorkbook book, ISheet sheet, int row, int column, double value, bool isFillBackgroundColor = true,
            int heightInPoints = 20, short color = NPOI.HSSF.Util.HSSFColor.Yellow.Index)
        {
            //在工作表中：建立行，参数为行号，从1计
            row -= 1;
            IRow xrow = sheet.GetRow(row);
            if (xrow == null)
            {
                xrow = sheet.CreateRow(row);
            }
            //行高
            xrow.HeightInPoints = heightInPoints;
            //在行中：建立单元格，参数为列号，从1计
            column -= 1;
            var cell = xrow.GetCell(column);
            if (cell == null)
            {
                cell = xrow.CreateCell(column);
            }
            //设置单元格的样式：背景色
            if (isFillBackgroundColor)
            {
                var style = book.CreateCellStyle();
                style.CloneStyleFrom(cell.CellStyle);
                style.FillForegroundColor = color;
                style.FillPattern = FillPattern.SolidForeground;
                cell.CellStyle = style;
            }
            //设置单元格内容换行
            cell.CellStyle.WrapText = true;
            //设置单元格内容
            cell.SetCellValue(value);
        }

        public void SetValue(XSSFWorkbook book, ISheet sheet, int row, int column, double value, bool isFillBackgroundColor, bool isMergedRegion, int heightInPoints = 20)
        {
            //在工作表中：建立行，参数为行号，从1计
            row -= 1;
            IRow xrow = sheet.GetRow(row);
            if (xrow == null)
            {
                xrow = sheet.CreateRow(row);
            }
            //行高
            xrow.HeightInPoints = heightInPoints;
            //在行中：建立单元格，参数为列号，从1计
            column -= 1;
            var cell = xrow.GetCell(column);
            if (cell == null)
            {
                cell = xrow.CreateCell(column);
            }
            //设置单元格的样式：背景色
            if (isFillBackgroundColor)
            {
                var style = book.CreateCellStyle();
                style.CloneStyleFrom(cell.CellStyle);
                style.FillForegroundColor = NPOI.HSSF.Util.HSSFColor.Yellow.Index;
                style.FillPattern = FillPattern.SolidForeground;
                cell.CellStyle = style;
            }
            //设置单元格内容
            cell.SetCellValue(value);
            //合并单元格
            if (isMergedRegion)
            {
                sheet.AddMergedRegion(new CellRangeAddress(row - 1, row, column, column));
            }
        }

        /// <summary>
        /// 合并单元格
        /// </summary>
        /// <param name="sheet"></param>
        /// <param name="row"></param>
        /// <param name="column"></param>
        /// <param name="value"></param>
        /// <param name="heightInPoints"></param>
        public void SetValueIsMergedRegion(ISheet sheet, int row, int column, string value, int heightInPoints, bool isMergedRegion = false)
        {
            //在工作表中：建立行，参数为行号，从1计
            row -= 1;
            IRow xrow = sheet.GetRow(row);
            if (xrow == null)
            {
                xrow = sheet.CreateRow(row);
            }
            //行高
            xrow.HeightInPoints = heightInPoints;
            //在行中：建立单元格，参数为列号，从1计
            column -= 1;
            var cell = xrow.GetCell(column);
            if (cell == null)
            {
                cell = xrow.CreateCell(column);
            }
            //设置单元格内容
            cell.SetCellValue(value);
            //合并单元格
            if (isMergedRegion)
            {
                sheet.AddMergedRegion(new CellRangeAddress(row - 1, row, column, column));
            }
        }
        public void SetValueIsMergedRegion(ISheet sheet, int row, int column, double value, int heightInPoints, bool isMergedRegion = false)
        {
            //在工作表中：建立行，参数为行号，从1计
            row -= 1;
            IRow xrow = sheet.GetRow(row);
            if (xrow == null)
            {
                xrow = sheet.CreateRow(row);
            }
            //行高
            xrow.HeightInPoints = heightInPoints;
            //在行中：建立单元格，参数为列号，从1计
            column -= 1;
            var cell = xrow.GetCell(column);
            if (cell == null)
            {
                cell = xrow.CreateCell(column);
            }
            //设置单元格内容
            cell.SetCellValue(value);
            //合并单元格
            if (isMergedRegion)
            {
                sheet.AddMergedRegion(new CellRangeAddress(row - 1, row, column, column));
            }
        }

        /// <summary>
        /// 获得行高
        /// </summary>
        /// <param name="value">值</param>
        /// <param name="width">行宽</param>
        /// <returns></returns>
        public int GetHeightInPoints(string value, int width = 40, int height = 20)
        {
            value = value ?? string.Empty;
            var length = 0;
            var heightInPoints = 0;
            var strVal = value.Split("\r\n".ToCharArray());
            foreach (var val in strVal)
            {
                var strVal2 = val.Split(new char[] { '\r', '\n' });
                foreach (var val2 in strVal2)
                {
                    length = Encoding.UTF8.GetBytes(val2).Length + 3;
                    heightInPoints += height * (length / width + 1);
                }
            }
            return heightInPoints;
        }

        /// <summary>
        /// 合并单元格
        /// </summary>
        /// <param name="sheet"></param>
        public void AddMergedRegion(ISheet sheet, MergedRegion mergedRegion)
        {
            mergedRegion.FirstRow--;
            mergedRegion.LastRow--;
            mergedRegion.FirstCol--;
            mergedRegion.LastCol--;
            sheet.AddMergedRegion(new CellRangeAddress(mergedRegion.FirstRow, mergedRegion.LastRow, mergedRegion.FirstCol, mergedRegion.LastCol));
        }

        /// <summary>
        /// XSSFRow Copy Command
        ///
        /// Description:  Inserts a existing row into a new row, will automatically push down
        ///               any existing rows.  Copy is done cell by cell and supports, and the
        ///               command tries to copy all properties available (style, merged cells, values, etc...)
        /// </summary>
        /// <param name="workbook"></param>
        /// <param name="worksheet"></param>
        /// <param name="sourceRowNum"></param>
        /// <param name="destinationRowNum"></param>
        public void CopyRow(XSSFWorkbook workbook, ISheet worksheet, int sourceRowNum, int destinationRowNum)
        {
            // Get the source / new row
            IRow newRow = worksheet.GetRow(destinationRowNum);
            IRow sourceRow = worksheet.GetRow(sourceRowNum);

            // If the row exist in destination, push down all rows by 1 else create a new row
            if (newRow != null)
            {
                worksheet.ShiftRows(destinationRowNum, worksheet.LastRowNum, 1);
            }
            else
            {
                newRow = worksheet.CreateRow(destinationRowNum);
            }

            // Loop through source columns to add to new row
            for (int i = 0; i < sourceRow.LastCellNum; i++)
            {
                // Grab a copy of the old/new cell
                ICell oldCell = sourceRow.GetCell(i);
                ICell newCell = newRow.CreateCell(i);

                // If the old cell is null jump to next cell
                if (oldCell == null)
                {
                    newCell = null;
                    continue;
                }

                // Copy style from old cell and apply to new cell
                var newCellStyle = workbook.CreateCellStyle();
                newCellStyle.CloneStyleFrom(oldCell.CellStyle); ;
                newCell.CellStyle = newCellStyle;

                // If there is a cell comment, copy
                if (newCell.CellComment != null) newCell.CellComment = oldCell.CellComment;

                // If there is a cell hyperlink, copy
                if (oldCell.Hyperlink != null) newCell.Hyperlink = oldCell.Hyperlink;

                // Set the cell data type
                newCell.SetCellType(oldCell.CellType);

                // Set the cell data value
                switch (oldCell.CellType)
                {
                    case CellType.Blank:
                        newCell.SetCellValue(oldCell.StringCellValue);
                        break;
                    case CellType.Boolean:
                        newCell.SetCellValue(oldCell.BooleanCellValue);
                        break;
                    case CellType.Error:
                        newCell.SetCellErrorValue(oldCell.ErrorCellValue);
                        break;
                    case CellType.Formula:
                        //newCell.SetCellFormula(oldCell.CellFormula);
                        var formula = $"H{destinationRowNum + 1}*I{destinationRowNum + 1}";
                        newCell.SetCellFormula(formula);
                        break;
                    case CellType.Numeric:
                        newCell.SetCellValue(oldCell.NumericCellValue);
                        break;
                    case CellType.String:
                        newCell.SetCellValue(oldCell.RichStringCellValue);
                        break;
                    case CellType.Unknown:
                        newCell.SetCellValue(oldCell.StringCellValue);
                        break;
                }
            }

            // If there are are any merged regions in the source row, copy to new row
            for (int i = 0; i < worksheet.NumMergedRegions; i++)
            {
                CellRangeAddress cellRangeAddress = worksheet.GetMergedRegion(i);
                if (cellRangeAddress != null && cellRangeAddress.FirstRow == sourceRow.RowNum)
                {
                    CellRangeAddress newCellRangeAddress = new CellRangeAddress(newRow.RowNum,
                                                                                (newRow.RowNum +
                                                                                 (cellRangeAddress.FirstRow -
                                                                                  cellRangeAddress.LastRow)),
                                                                                cellRangeAddress.FirstColumn,
                                                                                cellRangeAddress.LastColumn);
                    worksheet.AddMergedRegion(newCellRangeAddress);
                }
            }

        }

        public DataTable GenerateData()
        {
            DataTable data = new DataTable();
            for (int i = 0; i < 5; ++i)
            {
                data.Columns.Add("Columns_" + i.ToString(), typeof(string));
            }

            for (int i = 0; i < 10; ++i)
            {
                DataRow row = data.NewRow();
                row["Columns_0"] = "item0_" + i.ToString();
                row["Columns_1"] = "item1_" + i.ToString();
                row["Columns_2"] = "item2_" + i.ToString();
                row["Columns_3"] = "item3_" + i.ToString();
                row["Columns_4"] = "item4_" + i.ToString();
                data.Rows.Add(row);
            }
            return data;
        }

        public void PrintData(DataTable data)
        {
            if (data == null) return;
            for (int i = 0; i < data.Rows.Count; ++i)
            {
                for (int j = 0; j < data.Columns.Count; ++j)
                    Console.Write("{0} ", data.Rows[i][j]);
                Console.Write("\n");
            }
        }

        public new void Dispose()
        {
            Dispose(true);
            GC.SuppressFinalize(this);
        }

        protected virtual new void Dispose(bool disposing)
        {
            if (!this._disposed)
            {
                if (disposing)
                {
                    _fs?.Close();
                }

                _fs = null;
                _disposed = true;
            }
        }

        /// <summary>
        /// 加范围边框
        /// </summary>
        /// <param name="firstRow">起始行</param>
        /// <param name="lastRow">结束行</param>
        /// <param name="firstCell">起始列</param>
        /// <param name="lastCell">结束列</param>
        /// <returns></returns>
        public void AddRengionBorder(XSSFWorkbook book, ISheet sheet, int firstRow, int lastRow, int firstCell, int lastCell)
        {
            for (int i = firstRow; i < lastRow; i++)
            {
                for (int n = firstCell; n < lastCell; n++)
                {
                    ICell cell;
                    if (sheet.GetRow(i) == null)
                        continue;
                    cell = sheet.GetRow(i).GetCell(n);
                    if (cell == null)
                    {
                        cell = sheet.GetRow(i).CreateCell(n);
                        cell.SetCellValue(" ");
                    }
                    var cellstyle = book.CreateCellStyle();
                    //为首行加上方边框
                    if (i == firstRow)
                    {
                        cellstyle.BorderTop = BorderStyle.Thin;//ss.UserModel.BorderStyle.THIN;
                    }
                    //为末行加下方边框
                    if (i == lastRow - 1)
                    {
                        cellstyle.BorderBottom = BorderStyle.Thin;//ss.UserModel.BorderStyle.THIN;
                    }
                    //为首列加左边框
                    if (n == firstCell)
                    {
                        cellstyle.BorderLeft = BorderStyle.Thin; //ss.UserModel.BorderStyle.THIN;
                    }
                    //为末列加右边框
                    if (n == lastCell - 1)
                    {
                        cellstyle.BorderRight = BorderStyle.Thin; //ss.UserModel.BorderStyle.THIN;
                    }
                    cell.CellStyle = cellstyle;
                }
            }
        }

        /// <summary>
        /// 获取单元格的值
        /// </summary>
        /// <param name="item"></param>
        /// <returns></returns>
        public static object GetCellValue(ICell item)
        {
            if (item == null)
            {
                return string.Empty;
            }
            switch (item.CellType)
            {
                case CellType.Boolean:
                    return item.BooleanCellValue;

                case CellType.Error:
                    return ErrorEval.GetText(item.ErrorCellValue);

                case CellType.Formula:
                    switch (item.CachedFormulaResultType)
                    {
                        case CellType.Boolean:
                            return item.BooleanCellValue;

                        case CellType.Error:
                            return ErrorEval.GetText(item.ErrorCellValue);

                        case CellType.Numeric:
                            if (DateUtil.IsCellDateFormatted(item))
                            {
                                return item.DateCellValue.ToString("yyyy-MM-dd");
                            }
                            else
                            {
                                return item.NumericCellValue;
                            }
                        case CellType.String:
                            string str = item.StringCellValue;
                            if (!string.IsNullOrEmpty(str))
                            {
                                return str.ToString();
                            }
                            else
                            {
                                return string.Empty;
                            }
                        case CellType.Unknown:
                        case CellType.Blank:
                        default:
                            return string.Empty;
                    }
                case CellType.Numeric:
                    if (DateUtil.IsCellDateFormatted(item))
                    {
                        return item.DateCellValue.ToString("yyyy-MM-dd");
                    }
                    else
                    {
                        return item.NumericCellValue;
                    }
                case CellType.String:
                    string strValue = item.StringCellValue;
                    return strValue.ToString().Trim();

                case CellType.Unknown:
                case CellType.Blank:
                default:
                    return string.Empty;
            }
        }
    }

}