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@ -1,967 +0,0 @@ |
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using NPOI.HPSF; |
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using NPOI.HSSF.UserModel; |
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using NPOI.SS.UserModel; |
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using NPOI.XSSF.UserModel; |
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using System.Data; |
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using System.Text; |
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namespace Tiobon.Core.Common.Helper; |
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public class NPOIHelper |
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{ |
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#region DataTable 导出到 Excel 的 MemoryStream |
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/// <summary> |
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/// DataTable 导出到 Excel 的 MemoryStream |
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/// </summary> |
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/// <param name="dtSource">源 DataTable</param> |
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/// <param name="strHeaderText">表头文本 空值未不要表头标题</param> |
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/// <returns></returns> |
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public static MemoryStream GenerateExportExcel(DataTable dtSource, string strHeaderText, string sheetName, string strFileName = null) |
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{ |
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IWorkbook workbook = new XSSFWorkbook(); |
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ISheet sheet; |
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if (!File.Exists(strFileName)) |
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{ |
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sheet = workbook.CreateSheet(sheetName); |
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} |
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else |
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{ |
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using (FileStream file = new FileStream(strFileName, FileMode.Open, FileAccess.Read)) |
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{ |
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//hssfworkbook = new HSSFWorkbook(file); |
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//hssfworkbook = new XSSFWorkbook(file); |
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workbook = WorkbookFactory.Create(file); |
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} |
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if (workbook == null) throw new Exception("未能加载excel"); |
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sheet = workbook.CreateSheet(sheetName); |
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} |
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#region 文件属性 |
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DocumentSummaryInformation dsi = PropertySetFactory.CreateDocumentSummaryInformation(); |
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dsi.Company = "EUCloud"; |
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//workbook.DocumentSummaryInformation = dsi; |
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SummaryInformation si = PropertySetFactory.CreateSummaryInformation(); |
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si.Author = "EUCloud"; |
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si.ApplicationName = "EUCloud"; |
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si.LastAuthor = "EUCloud"; |
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si.Comments = ""; |
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si.Title = ""; |
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si.Subject = ""; |
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si.CreateDateTime = DateTime.Now; |
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//workbook.SummaryInformation = si; |
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#endregion |
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ICellStyle dateStyle = workbook.CreateCellStyle(); |
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IDataFormat format = workbook.CreateDataFormat(); |
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dateStyle.DataFormat = format.GetFormat("yyyy-mm-dd"); |
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ICellStyle datetimeStyle = workbook.CreateCellStyle(); |
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datetimeStyle.DataFormat = format.GetFormat("yyyy-mm-dd hh:mm"); |
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ICellStyle datetimesStyle = workbook.CreateCellStyle(); |
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datetimesStyle.DataFormat = format.GetFormat("yyyy-mm-dd hh:mm:ss"); |
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int[] arrColWidth = new int[dtSource.Columns.Count]; |
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foreach (DataColumn item in dtSource.Columns) |
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{ |
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arrColWidth[item.Ordinal] = Encoding.GetEncoding("utf-8").GetBytes(item.ColumnName.ToString()).Length; |
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} |
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for (int i = 0; i < dtSource.Rows.Count; i++) |
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{ |
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for (int j = 0; j < dtSource.Columns.Count; j++) |
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{ |
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int intTemp = Encoding.GetEncoding("utf-8").GetBytes(dtSource.Rows[i][j].ToString()).Length; |
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if (intTemp > arrColWidth[j]) |
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{ |
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arrColWidth[j] = intTemp; |
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} |
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} |
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} |
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int rowIndex = 0; |
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int intTop = 0; |
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int HeightInPoints = 40; |
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foreach (DataRow row in dtSource.Rows) |
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{ |
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#region 新建表、填充表头、填充列头,样式 |
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if (rowIndex == 655350 || rowIndex == 0) |
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{ |
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if (rowIndex != 0) |
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{ |
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sheet = workbook.CreateSheet(); |
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} |
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intTop = 0; |
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#region 表头及样式 |
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{ |
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if (!string.IsNullOrWhiteSpace(strHeaderText) && strHeaderText.Length > 0) |
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{ |
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#region 标题单元格样式 |
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ICellStyle titleStyle = workbook.CreateCellStyle(); |
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titleStyle.Alignment = HorizontalAlignment.Center; //居中 |
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titleStyle.VerticalAlignment = VerticalAlignment.Center;//垂直居中 |
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titleStyle.WrapText = true;//自动换行 |
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// 边框 |
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titleStyle.BorderBottom = BorderStyle.Thin; |
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titleStyle.BorderLeft = BorderStyle.None; |
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titleStyle.BorderRight = BorderStyle.None; |
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titleStyle.BorderTop = BorderStyle.None; |
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IFont font = workbook.CreateFont(); |
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font.FontHeightInPoints = (short)14; |
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font.FontName = "宋体"; |
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font.IsBold = true; |
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titleStyle.SetFont(font); |
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#endregion |
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IRow headerRow = sheet.CreateRow(intTop); |
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intTop += 1; |
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headerRow.HeightInPoints = 25; |
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headerRow.CreateCell(0).SetCellValue(strHeaderText); |
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//ICellStyle headStyle = workbook.CreateCellStyle(); |
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//headStyle.Alignment = HorizontalAlignment.Center; |
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//IFont font = workbook.CreateFont(); |
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//font.FontHeightInPoints = 20; |
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//font.IsBold = true; |
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//headStyle.SetFont(font); |
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headerRow.GetCell(0).CellStyle = titleStyle; |
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// 设置行高 |
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headerRow.HeightInPoints = 30; |
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sheet.AddMergedRegion(new NPOI.SS.Util.CellRangeAddress(0, 0, 0, dtSource.Columns.Count - 1)); |
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} |
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} |
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#endregion |
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#region 年度人力配置 |
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{ |
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if (sheetName == "年度人力配置") |
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{ |
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HeightInPoints = 15; |
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#region 标题单元格样式 |
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ICellStyle titleStyle = workbook.CreateCellStyle(); |
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titleStyle.Alignment = HorizontalAlignment.Center; //居中 |
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titleStyle.VerticalAlignment = VerticalAlignment.Center;//垂直居中 |
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titleStyle.WrapText = true;//自动换行 |
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// 边框 |
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titleStyle.BorderBottom = BorderStyle.Thin; |
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titleStyle.BorderLeft = BorderStyle.Thin; |
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titleStyle.BorderRight = BorderStyle.Thin; |
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titleStyle.BorderTop = BorderStyle.Thin; |
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IFont font = workbook.CreateFont(); |
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font.FontHeightInPoints = (short)10; |
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font.FontName = "宋体"; |
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font.IsBold = true; |
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titleStyle.SetFont(font); |
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#endregion |
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IRow headerRow = sheet.CreateRow(intTop); |
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headerRow.HeightInPoints = HeightInPoints; |
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for (int i = 0; i < 5; i++) |
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{ |
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headerRow.CreateCell(i).SetCellValue(dtSource.Columns[i].ColumnName); |
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headerRow.GetCell(i).CellStyle = titleStyle; |
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} |
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for (int i = 5; i < 17; i++) |
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{ |
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headerRow.CreateCell(i).SetCellValue("预算编制数"); |
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headerRow.GetCell(i).CellStyle = titleStyle; |
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} |
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//headerRow.CreateCell(5).SetCellValue("预算编制数"); |
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//headerRow.GetCell(5).CellStyle = titleStyle; |
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headerRow.CreateCell(17).SetCellValue("备注"); |
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headerRow.GetCell(17).CellStyle = titleStyle; |
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for (int i = 0; i < 5; i++) |
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sheet.AddMergedRegion(new NPOI.SS.Util.CellRangeAddress(0 + intTop, 1 + intTop, i, i)); |
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sheet.AddMergedRegion(new NPOI.SS.Util.CellRangeAddress(0 + intTop, 1 + intTop, 17, 17)); |
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sheet.AddMergedRegion(new NPOI.SS.Util.CellRangeAddress(0 + intTop, 0 + intTop, 5, 16)); |
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intTop += 1; |
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} |
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} |
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#endregion |
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#region 培训计划【牛尾】 |
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if (sheetName == "培训计划【牛尾】") |
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{ |
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HeightInPoints = 15; |
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#region 标题单元格样式 |
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ICellStyle titleStyle = workbook.CreateCellStyle(); |
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titleStyle.Alignment = HorizontalAlignment.Center; //居中 |
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titleStyle.VerticalAlignment = VerticalAlignment.Center;//垂直居中 |
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titleStyle.WrapText = true;//自动换行 |
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// 边框 |
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titleStyle.BorderBottom = BorderStyle.Thin; |
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titleStyle.BorderLeft = BorderStyle.Thin; |
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titleStyle.BorderRight = BorderStyle.Thin; |
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titleStyle.BorderTop = BorderStyle.Thin; |
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IFont font = workbook.CreateFont(); |
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font.FontHeightInPoints = (short)10; |
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font.FontName = "宋体"; |
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font.IsBold = true; |
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titleStyle.SetFont(font); |
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#endregion |
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IRow headerRow = sheet.CreateRow(intTop); |
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headerRow.HeightInPoints = HeightInPoints; |
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for (int i = 0; i < 13; i++) |
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{ |
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headerRow.CreateCell(i).SetCellValue(dtSource.Columns[i].ColumnName); |
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headerRow.GetCell(i).CellStyle = titleStyle; |
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sheet.AddMergedRegion(new NPOI.SS.Util.CellRangeAddress(0 + intTop, 1 + intTop, i, i)); |
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} |
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for (int i = 13; i < 36; i = i + 2) |
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{ |
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string month = dtSource.Columns[i].ColumnName.Replace("实际合计人天_M", "") + "月"; |
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//month = month.Replace("进展率_M", ""); |
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headerRow.CreateCell(i).SetCellValue(month); |
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headerRow.GetCell(i).CellStyle = titleStyle; |
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headerRow.CreateCell(i + 1).SetCellValue(month); |
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headerRow.GetCell(i + 1).CellStyle = titleStyle; |
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sheet.AddMergedRegion(new NPOI.SS.Util.CellRangeAddress(intTop, intTop, i, i + 1)); |
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} |
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for (int i = 37; i < 42; i++) |
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{ |
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headerRow.CreateCell(i).SetCellValue(dtSource.Columns[i].ColumnName); |
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headerRow.GetCell(i).CellStyle = titleStyle; |
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sheet.AddMergedRegion(new NPOI.SS.Util.CellRangeAddress(0 + intTop, 1 + intTop, i, i)); |
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} |
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//for (int i = 5; i < 17; i++) |
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//{ |
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// headerRow.CreateCell(i).SetCellValue("预算编制数"); |
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// headerRow.GetCell(i).CellStyle = titleStyle; |
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//} |
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////headerRow.CreateCell(5).SetCellValue("预算编制数"); |
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////headerRow.GetCell(5).CellStyle = titleStyle; |
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//headerRow.CreateCell(17).SetCellValue("备注"); |
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//headerRow.GetCell(17).CellStyle = titleStyle; |
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//for (int i = 36; i < 41; i++) |
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//sheet.AddMergedRegion(new NPOI.SS.Util.CellRangeAddress(0 + intTop, 1 + intTop, 17, 17)); |
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//sheet.AddMergedRegion(new NPOI.SS.Util.CellRangeAddress(0 + intTop, 0 + intTop, 5, 16)); |
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intTop += 1; |
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} |
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#endregion |
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#region 列头及样式 |
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{ |
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IRow headerRow = sheet.CreateRow(intTop); |
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headerRow.HeightInPoints = HeightInPoints; |
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intTop += 1; |
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ICellStyle headStyle = workbook.CreateCellStyle(); |
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headStyle.Alignment = HorizontalAlignment.Center; //居中 |
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headStyle.VerticalAlignment = VerticalAlignment.Center;//垂直居中 |
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headStyle.WrapText = true;//自动换行 |
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// 边框 |
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headStyle.BorderBottom = BorderStyle.Thin; |
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headStyle.BorderLeft = BorderStyle.Thin; |
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headStyle.BorderRight = BorderStyle.Thin; |
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headStyle.BorderTop = BorderStyle.Thin; |
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// 字体 |
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IFont font = workbook.CreateFont(); |
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font.FontHeightInPoints = (short)10; |
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font.IsBold = true; |
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font.FontName = "宋体"; |
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headStyle.SetFont(font); |
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//ICellStyle headStyle = workbook.CreateCellStyle(); |
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//headStyle.Alignment = HorizontalAlignment.Center; |
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//headStyle.BorderBottom = BorderStyle.Medium; |
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//headStyle.FillBackgroundColor = NPOI.HSSF.Util.HSSFColor.LightGreen.Index; |
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//headStyle.FillPattern = FillPattern.NoFill; |
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//IFont font = workbook.CreateFont(); |
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//font.Boldweight = 700; |
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//headStyle.SetFont(font); |
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foreach (DataColumn column in dtSource.Columns) |
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{ |
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var name = column.ColumnName; |
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if (name.IndexOf("实际合计人天") > -1) |
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name = "实际合计人天"; |
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if (name.IndexOf("进展率") > -1) |
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name = "进展率"; |
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headerRow.CreateCell(column.Ordinal).SetCellValue(name); |
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headerRow.GetCell(column.Ordinal).CellStyle = headStyle; |
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//设置列宽 |
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//sheet.SetColumnWidth(column.Ordinal, (arrColWidth[column.Ordinal] + 1) * 256); |
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if (arrColWidth[column.Ordinal] > 255) |
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{ |
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arrColWidth[column.Ordinal] = 254; |
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} |
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else |
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{ |
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sheet.SetColumnWidth(column.Ordinal, (arrColWidth[column.Ordinal] + 1) * 256); |
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} |
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} |
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} |
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#endregion |
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rowIndex = intTop; |
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} |
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#endregion |
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#region 填充内容 |
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IRow dataRow = sheet.CreateRow(rowIndex); |
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dataRow.HeightInPoints = 25; |
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ICellStyle style = workbook.CreateCellStyle(); |
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style.Alignment = HorizontalAlignment.Center; //居中 |
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style.VerticalAlignment = VerticalAlignment.Center;//垂直居中 |
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style.WrapText = true;//自动换行 |
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// 边框 |
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style.BorderBottom = BorderStyle.Thin; |
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style.BorderLeft = BorderStyle.Thin; |
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style.BorderRight = BorderStyle.Thin; |
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|
style.BorderTop = BorderStyle.Thin; |
|
|
|
|
// 字体 |
|
|
|
|
var font1 = workbook.CreateFont(); |
|
|
|
|
font1.FontHeightInPoints = (short)10; |
|
|
|
|
font1.FontName = "宋体"; |
|
|
|
|
style.SetFont(font1); |
|
|
|
|
|
|
|
|
|
foreach (DataColumn column in dtSource.Columns) |
|
|
|
|
{ |
|
|
|
|
ICell newCell = dataRow.CreateCell(column.Ordinal); |
|
|
|
|
|
|
|
|
|
newCell.CellStyle = style; |
|
|
|
|
string drValue = row[column].ToString(); |
|
|
|
|
switch (column.DataType.ToString()) |
|
|
|
|
{ |
|
|
|
|
case "System.String"://字符串类型 |
|
|
|
|
newCell.SetCellValue(drValue); |
|
|
|
|
break; |
|
|
|
|
case "System.DateTime"://日期类型 |
|
|
|
|
DateTime dateV; |
|
|
|
|
if (!string.IsNullOrEmpty(drValue)) |
|
|
|
|
{ |
|
|
|
|
DateTime.TryParse(drValue, out dateV); |
|
|
|
|
//dateV = DateTimeHelper.ConvertToSecondString(dateV); |
|
|
|
|
newCell.SetCellValue(ConvertToSecondString(dateV)); |
|
|
|
|
//if (column.Caption == "renderDateTime") |
|
|
|
|
//{ |
|
|
|
|
// newCell.CellStyle.DataFormat = format.GetFormat("yyyy-mm-dd hh:mm"); |
|
|
|
|
//} |
|
|
|
|
//else if (column.Caption == "renderDate") |
|
|
|
|
//{ |
|
|
|
|
// newCell.CellStyle.DataFormat = format.GetFormat("yyyy-mm-dd"); |
|
|
|
|
//} |
|
|
|
|
//else |
|
|
|
|
//{ |
|
|
|
|
// |
|
|
|
|
//} |
|
|
|
|
|
|
|
|
|
//try |
|
|
|
|
//{ |
|
|
|
|
// Convert.ToDateTime(drValue); newCell.CellStyle.DataFormat = format.GetFormat("yyyy-mm-dd hh:mm:ss"); |
|
|
|
|
//} |
|
|
|
|
//catch (Exception) |
|
|
|
|
//{ |
|
|
|
|
|
|
|
|
|
//} |
|
|
|
|
} |
|
|
|
|
break; |
|
|
|
|
case "System.Boolean"://布尔型 |
|
|
|
|
bool boolV = false; |
|
|
|
|
bool.TryParse(drValue, out boolV); |
|
|
|
|
newCell.SetCellValue(boolV); |
|
|
|
|
break; |
|
|
|
|
case "System.Int16": |
|
|
|
|
case "System.Int32": |
|
|
|
|
case "System.Int64": |
|
|
|
|
case "System.Byte": |
|
|
|
|
int intV = 0; |
|
|
|
|
int.TryParse(drValue, out intV); |
|
|
|
|
newCell.SetCellValue(intV); |
|
|
|
|
break; |
|
|
|
|
case "System.Decimal": |
|
|
|
|
case "System.Double": |
|
|
|
|
double doubV = 0; |
|
|
|
|
double.TryParse(drValue, out doubV); |
|
|
|
|
newCell.SetCellValue(doubV); |
|
|
|
|
break; |
|
|
|
|
case "System.DBNull"://空值处理 |
|
|
|
|
newCell.SetCellValue(""); |
|
|
|
|
break; |
|
|
|
|
default: |
|
|
|
|
newCell.SetCellValue(""); |
|
|
|
|
break; |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
#endregion |
|
|
|
|
|
|
|
|
|
foreach (DataColumn column in dtSource.Columns) |
|
|
|
|
{ |
|
|
|
|
//设置列宽 |
|
|
|
|
//sheet.SetColumnWidth(column.Ordinal, (arrColWidth[column.Ordinal] + 1) * 256); |
|
|
|
|
if (arrColWidth[column.Ordinal] > 255) |
|
|
|
|
{ |
|
|
|
|
arrColWidth[column.Ordinal] = 254; |
|
|
|
|
} |
|
|
|
|
else |
|
|
|
|
{ |
|
|
|
|
sheet.SetColumnWidth(column.Ordinal, (arrColWidth[column.Ordinal] + 1) * 256); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
rowIndex++; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
//获取当前列的宽度,然后对比本列的长度,取最大值 |
|
|
|
|
if (true) |
|
|
|
|
for (int columnNum = 0; columnNum <= dtSource.Columns.Count; columnNum++) |
|
|
|
|
{ |
|
|
|
|
sheet.AutoSizeColumn(columnNum);//先来个常规自适应 |
|
|
|
|
|
|
|
|
|
var columnWidth = sheet.GetColumnWidth(columnNum) / 256; |
|
|
|
|
for (int rowNum = 1; rowNum <= sheet.LastRowNum; rowNum++) |
|
|
|
|
{ |
|
|
|
|
IRow currentRow; |
|
|
|
|
//当前行未被使用过 |
|
|
|
|
if (sheet.GetRow(rowNum) == null) |
|
|
|
|
{ |
|
|
|
|
currentRow = sheet.CreateRow(rowNum); |
|
|
|
|
} |
|
|
|
|
else |
|
|
|
|
{ |
|
|
|
|
currentRow = sheet.GetRow(rowNum); |
|
|
|
|
} |
|
|
|
|
if (currentRow.GetCell(columnNum) != null) |
|
|
|
|
{ |
|
|
|
|
ICell currentCell = currentRow.GetCell(columnNum); |
|
|
|
|
int length = Encoding.Default.GetBytes(currentCell.ToString()).Length; |
|
|
|
|
if (columnWidth < length) |
|
|
|
|
{ |
|
|
|
|
columnWidth = length; |
|
|
|
|
if (columnWidth > 30) columnWidth = 30; |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
try |
|
|
|
|
{ |
|
|
|
|
sheet.SetColumnWidth(columnNum, columnWidth * 300); // 256 |
|
|
|
|
} |
|
|
|
|
catch (Exception e) |
|
|
|
|
{ |
|
|
|
|
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
} |
|
|
|
|
for (int rowNum = 2; rowNum <= sheet.LastRowNum; rowNum++) |
|
|
|
|
{ |
|
|
|
|
IRow currentRow = sheet.GetRow(rowNum); |
|
|
|
|
|
|
|
|
|
int length = 25; |
|
|
|
|
foreach (var item in currentRow.Cells) |
|
|
|
|
{ |
|
|
|
|
if (item != null) |
|
|
|
|
length = Encoding.UTF8.GetBytes(item.ToString()).Length > length ? Encoding.UTF8.GetBytes(item.ToString()).Length : length; |
|
|
|
|
} |
|
|
|
|
currentRow.HeightInPoints = 35 * (length / 150 + 1); |
|
|
|
|
} |
|
|
|
|
using (MemoryStream ms = new MemoryStream()) |
|
|
|
|
{ |
|
|
|
|
workbook.Write(ms); |
|
|
|
|
ms.Flush(); |
|
|
|
|
workbook.Dispose(); |
|
|
|
|
//ms.Position = 0; |
|
|
|
|
return ms; |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
#endregion |
|
|
|
|
|
|
|
|
|
public static string ConvertToSecondString(DateTime? dateTime) |
|
|
|
|
{ |
|
|
|
|
if (dateTime is null) |
|
|
|
|
return ""; |
|
|
|
|
|
|
|
|
|
return dateTime.Value.ToString(@"yyyy\-MM\-dd HH:mm:ss"); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
#region DaataTable 导出到 Excel 文件 |
|
|
|
|
/// <summary> |
|
|
|
|
/// DaataTable 导出到 Excel 文件 |
|
|
|
|
/// </summary> |
|
|
|
|
/// <param name="dtSource">源 DataaTable</param> |
|
|
|
|
/// <param name="strHeaderText">表头文本</param> |
|
|
|
|
/// <param name="strFileName">保存位置(文件名及路径)</param> |
|
|
|
|
public static void ExportExcel(DataTable dtSource, string strHeaderText, string sheetName = null, string strFileName = null) |
|
|
|
|
{ |
|
|
|
|
using (MemoryStream ms = GenerateExportExcel(dtSource, strHeaderText, sheetName, strFileName)) |
|
|
|
|
{ |
|
|
|
|
using (FileStream fs = new FileStream(strFileName, FileMode.Create, FileAccess.Write)) |
|
|
|
|
{ |
|
|
|
|
byte[] data = ms.ToArray(); |
|
|
|
|
fs.Write(data, 0, data.Length); |
|
|
|
|
fs.Flush(); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
#endregion |
|
|
|
|
|
|
|
|
|
#region 读取 excel,默认第一行为标头 |
|
|
|
|
/// <summary> |
|
|
|
|
/// 读取 excel,默认第一行为标头 |
|
|
|
|
/// </summary> |
|
|
|
|
/// <param name="strFileName">excel 文档路径</param> |
|
|
|
|
/// <returns></returns> |
|
|
|
|
public static DataTable ImportExcel(string strFileName, string sheetName = "") |
|
|
|
|
{ |
|
|
|
|
DataTable dt = new DataTable(); |
|
|
|
|
//HSSFWorkbook hssfworkbook; |
|
|
|
|
IWorkbook hssfworkbook; |
|
|
|
|
ISheet sheet; |
|
|
|
|
using (FileStream file = new FileStream(strFileName, FileMode.Open, FileAccess.Read)) |
|
|
|
|
{ |
|
|
|
|
//hssfworkbook = new HSSFWorkbook(file); |
|
|
|
|
//hssfworkbook = new XSSFWorkbook(file); |
|
|
|
|
hssfworkbook = NPOI.SS.UserModel.WorkbookFactory.Create(file); |
|
|
|
|
} |
|
|
|
|
if (hssfworkbook == null) throw new Exception("未能加载excel"); |
|
|
|
|
int sheetCount = hssfworkbook.NumberOfSheets; |
|
|
|
|
if (sheetCount == 0) throw new Exception("未能加载excel"); |
|
|
|
|
if (string.IsNullOrEmpty(sheetName)) |
|
|
|
|
{ |
|
|
|
|
sheet = hssfworkbook.GetSheetAt(0); |
|
|
|
|
} |
|
|
|
|
else |
|
|
|
|
{ |
|
|
|
|
int sheetIndex = hssfworkbook.GetSheetIndex(sheetName); |
|
|
|
|
if (sheetIndex >= 0) |
|
|
|
|
{ |
|
|
|
|
sheet = hssfworkbook.GetSheetAt(sheetIndex); |
|
|
|
|
} |
|
|
|
|
else |
|
|
|
|
{ |
|
|
|
|
throw new Exception($"未能找到{sheetName}这个sheet页"); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
System.Collections.IEnumerator rows = sheet.GetRowEnumerator(); |
|
|
|
|
IRow headerRow = sheet.GetRow(0); |
|
|
|
|
int cellCount = headerRow.LastCellNum; |
|
|
|
|
for (int j = 0; j < cellCount; j++) |
|
|
|
|
{ |
|
|
|
|
ICell cell = headerRow.GetCell(j); |
|
|
|
|
if (!string.IsNullOrWhiteSpace(cell.ToString())) |
|
|
|
|
dt.Columns.Add(cell.ToString()); |
|
|
|
|
} |
|
|
|
|
for (int i = (sheet.FirstRowNum + 1); i <= sheet.LastRowNum; i++) |
|
|
|
|
{ |
|
|
|
|
IRow row = sheet.GetRow(i); |
|
|
|
|
|
|
|
|
|
if (row is null) |
|
|
|
|
continue; |
|
|
|
|
//if (row.GetCell(row.FirstCellNum) != null && row.GetCell(row.FirstCellNum).ToString().Length > 0) |
|
|
|
|
//if (row.GetCell(row.FirstCellNum) != null) |
|
|
|
|
{ |
|
|
|
|
DataRow dataRow = dt.NewRow(); |
|
|
|
|
for (int j = row.FirstCellNum; j < cellCount; j++) |
|
|
|
|
{ |
|
|
|
|
if (j < 0) |
|
|
|
|
continue; |
|
|
|
|
if (row.GetCell(j) != null) |
|
|
|
|
{ |
|
|
|
|
DateTime dateV = DateTime.MinValue; |
|
|
|
|
try |
|
|
|
|
{ |
|
|
|
|
dataRow[j] = GetCellValue(row.GetCell(j)); |
|
|
|
|
//if (row.GetCell(j).IsDate()) |
|
|
|
|
//{ |
|
|
|
|
// dateV = row.GetCell(j).DateCellValue; |
|
|
|
|
// dataRow[j] = DateTimeHelper.ConvertToSecondString(dateV); |
|
|
|
|
//} |
|
|
|
|
//else |
|
|
|
|
//{ |
|
|
|
|
// dataRow[j] = row.GetCell(j).ToString(); |
|
|
|
|
//} |
|
|
|
|
} |
|
|
|
|
catch { } |
|
|
|
|
//if (dateV == DateTime.MinValue) |
|
|
|
|
//{ |
|
|
|
|
// dataRow[j] = row.GetCell(j).ToString(); |
|
|
|
|
//} |
|
|
|
|
//else |
|
|
|
|
//{ |
|
|
|
|
// dataRow[j] = DateTimeHelper.ConvertToSecondString(dateV); |
|
|
|
|
//} |
|
|
|
|
|
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
dt.Rows.Add(dataRow); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
return dt; |
|
|
|
|
|
|
|
|
|
} |
|
|
|
|
#endregion |
|
|
|
|
|
|
|
|
|
/// <summary> |
|
|
|
|
/// 获取单元格类型 |
|
|
|
|
/// </summary> |
|
|
|
|
/// <param name="cell"></param> |
|
|
|
|
/// <returns></returns> |
|
|
|
|
private static string GetCellValue(ICell cell) |
|
|
|
|
{ |
|
|
|
|
if (cell == null) |
|
|
|
|
return null; |
|
|
|
|
switch (cell.CellType) |
|
|
|
|
{ |
|
|
|
|
case CellType.Blank: //BLANK: |
|
|
|
|
return null; |
|
|
|
|
case CellType.Boolean: //BOOLEAN: |
|
|
|
|
return Convert.ToString(cell.BooleanCellValue); |
|
|
|
|
case CellType.Numeric: //NUMERIC: |
|
|
|
|
if (DateUtil.IsCellDateFormatted(cell)) |
|
|
|
|
{ |
|
|
|
|
return ConvertToSecondString(cell.DateCellValue); |
|
|
|
|
} |
|
|
|
|
else |
|
|
|
|
{ |
|
|
|
|
return Convert.ToString(cell); |
|
|
|
|
} |
|
|
|
|
case CellType.String: //STRING: |
|
|
|
|
return cell.StringCellValue; |
|
|
|
|
case CellType.Error: //ERROR: |
|
|
|
|
return Convert.ToString(cell.ErrorCellValue); |
|
|
|
|
case CellType.Formula: //FORMULA: |
|
|
|
|
default: |
|
|
|
|
return "=" + cell.CellFormula; |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
/// <summary> |
|
|
|
|
/// DataSet 导出到 Excel 的 MemoryStream |
|
|
|
|
/// </summary> |
|
|
|
|
/// <param name="dsSource">源 DataSet</param> |
|
|
|
|
/// <param name="strHeaderText">表头文本 空值未不要表头标题(多个表对应多个表头以英文逗号(,)分开,个数应与表相同)</param> |
|
|
|
|
/// <returns></returns> |
|
|
|
|
public static MemoryStream ExportExcel(DataSet dsSource, string strHeaderText) |
|
|
|
|
{ |
|
|
|
|
|
|
|
|
|
HSSFWorkbook workbook = new HSSFWorkbook(); |
|
|
|
|
|
|
|
|
|
#region 文件属性 |
|
|
|
|
DocumentSummaryInformation dsi = PropertySetFactory.CreateDocumentSummaryInformation(); |
|
|
|
|
dsi.Company = "517best.com"; |
|
|
|
|
workbook.DocumentSummaryInformation = dsi; |
|
|
|
|
SummaryInformation si = PropertySetFactory.CreateSummaryInformation(); |
|
|
|
|
si.Author = "517best.com"; |
|
|
|
|
si.ApplicationName = "517best.com"; |
|
|
|
|
si.LastAuthor = "517best.com"; |
|
|
|
|
si.Comments = ""; |
|
|
|
|
si.Title = ""; |
|
|
|
|
si.Subject = ""; |
|
|
|
|
si.CreateDateTime = DateTime.Now; |
|
|
|
|
workbook.SummaryInformation = si; |
|
|
|
|
#endregion |
|
|
|
|
|
|
|
|
|
#region 注释 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
//ICellStyle dateStyle = workbook.CreateCellStyle(); |
|
|
|
|
//IDataFormat format = workbook.CreateDataFormat(); |
|
|
|
|
//dateStyle.DataFormat = format.GetFormat("yyyy-mm-dd"); |
|
|
|
|
|
|
|
|
|
//ISheet sheet = workbook.CreateSheet(); |
|
|
|
|
//int[] arrColWidth = new int[dtSource.Columns.Count]; |
|
|
|
|
//foreach (DataColumn item in dtSource.Columns) |
|
|
|
|
//{ |
|
|
|
|
// arrColWidth[item.Ordinal] = Encoding.GetEncoding("gb2312").GetBytes(item.ColumnName.ToString()).Length; |
|
|
|
|
//} |
|
|
|
|
//for (int i = 0; i < dtSource.Rows.Count; i++) |
|
|
|
|
//{ |
|
|
|
|
// for (int j = 0; j < dtSource.Columns.Count; j++) |
|
|
|
|
// { |
|
|
|
|
// int intTemp = Encoding.GetEncoding("gb2312").GetBytes(dtSource.Rows[i][j].ToString()).Length; |
|
|
|
|
// if (intTemp > arrColWidth[j]) |
|
|
|
|
// { |
|
|
|
|
// arrColWidth[j] = intTemp; |
|
|
|
|
// } |
|
|
|
|
// } |
|
|
|
|
//} |
|
|
|
|
//int rowIndex = 0; |
|
|
|
|
//int intTop = 0; |
|
|
|
|
//foreach (DataRow row in dtSource.Rows) |
|
|
|
|
//{ |
|
|
|
|
// #region 新建表、填充表头、填充列头,样式 |
|
|
|
|
// if (rowIndex == 65535 || rowIndex == 0) |
|
|
|
|
// { |
|
|
|
|
// if (rowIndex != 0) |
|
|
|
|
// { |
|
|
|
|
// sheet = workbook.CreateSheet(); |
|
|
|
|
// } |
|
|
|
|
// intTop = 0; |
|
|
|
|
// #region 表头及样式 |
|
|
|
|
// { |
|
|
|
|
// if (strHeaderText.Length > 0) |
|
|
|
|
// { |
|
|
|
|
// IRow headerRow = sheet.CreateRow(intTop); |
|
|
|
|
// intTop += 1; |
|
|
|
|
// headerRow.HeightInPoints = 25; |
|
|
|
|
// headerRow.CreateCell(0).SetCellValue(strHeaderText); |
|
|
|
|
// ICellStyle headStyle = workbook.CreateCellStyle(); |
|
|
|
|
// headStyle.Alignment = HorizontalAlignment.CENTER; |
|
|
|
|
// IFont font = workbook.CreateFont(); |
|
|
|
|
// font.FontHeightInPoints = 20; |
|
|
|
|
// font.Boldweight = 700; |
|
|
|
|
// headStyle.SetFont(font); |
|
|
|
|
// headerRow.GetCell(0).CellStyle = headStyle; |
|
|
|
|
// sheet.AddMergedRegion(new NPOI.SS.Util.CellRangeAddress(0, 0, 0, dtSource.Columns.Count - 1)); |
|
|
|
|
|
|
|
|
|
// } |
|
|
|
|
// } |
|
|
|
|
// #endregion |
|
|
|
|
// #region 列头及样式 |
|
|
|
|
// { |
|
|
|
|
// IRow headerRow = sheet.CreateRow(intTop); |
|
|
|
|
// intTop += 1; |
|
|
|
|
// ICellStyle headStyle = workbook.CreateCellStyle(); |
|
|
|
|
// headStyle.Alignment = HorizontalAlignment.CENTER; |
|
|
|
|
// IFont font = workbook.CreateFont(); |
|
|
|
|
// font.Boldweight = 700; |
|
|
|
|
// headStyle.SetFont(font); |
|
|
|
|
// foreach (DataColumn column in dtSource.Columns) |
|
|
|
|
// { |
|
|
|
|
// headerRow.CreateCell(column.Ordinal).SetCellValue(column.ColumnName); |
|
|
|
|
// headerRow.GetCell(column.Ordinal).CellStyle = headStyle; |
|
|
|
|
// //设置列宽 |
|
|
|
|
// sheet.SetColumnWidth(column.Ordinal, (arrColWidth[column.Ordinal] + 1) * 256); |
|
|
|
|
// } |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// } |
|
|
|
|
// #endregion |
|
|
|
|
// rowIndex = intTop; |
|
|
|
|
// } |
|
|
|
|
// #endregion |
|
|
|
|
// #region 填充内容 |
|
|
|
|
// IRow dataRow = sheet.CreateRow(rowIndex); |
|
|
|
|
// foreach (DataColumn column in dtSource.Columns) |
|
|
|
|
// { |
|
|
|
|
// ICell newCell = dataRow.CreateCell(column.Ordinal); |
|
|
|
|
// string drValue = row[column].ToString(); |
|
|
|
|
// switch (column.DataType.ToString()) |
|
|
|
|
// { |
|
|
|
|
// case "System.String"://字符串类型 |
|
|
|
|
// newCell.SetCellValue(drValue); |
|
|
|
|
// break; |
|
|
|
|
// case "System.DateTime"://日期类型 |
|
|
|
|
// DateTime dateV; |
|
|
|
|
// DateTime.TryParse(drValue, out dateV); |
|
|
|
|
// newCell.SetCellValue(dateV); |
|
|
|
|
// newCell.CellStyle = dateStyle;//格式化显示 |
|
|
|
|
// break; |
|
|
|
|
// case "System.Boolean"://布尔型 |
|
|
|
|
// bool boolV = false; |
|
|
|
|
// bool.TryParse(drValue, out boolV); |
|
|
|
|
// newCell.SetCellValue(boolV); |
|
|
|
|
// break; |
|
|
|
|
// case "System.Int16": |
|
|
|
|
// case "System.Int32": |
|
|
|
|
// case "System.Int64": |
|
|
|
|
// case "System.Byte": |
|
|
|
|
// int intV = 0; |
|
|
|
|
// int.TryParse(drValue, out intV); |
|
|
|
|
// newCell.SetCellValue(intV); |
|
|
|
|
// break; |
|
|
|
|
// case "System.Decimal": |
|
|
|
|
// case "System.Double": |
|
|
|
|
// double doubV = 0; |
|
|
|
|
// double.TryParse(drValue, out doubV); |
|
|
|
|
// newCell.SetCellValue(doubV); |
|
|
|
|
// break; |
|
|
|
|
// case "System.DBNull"://空值处理 |
|
|
|
|
// newCell.SetCellValue(""); |
|
|
|
|
// break; |
|
|
|
|
// default: |
|
|
|
|
// newCell.SetCellValue(""); |
|
|
|
|
// break; |
|
|
|
|
// } |
|
|
|
|
// } |
|
|
|
|
// #endregion |
|
|
|
|
// rowIndex++; |
|
|
|
|
//} |
|
|
|
|
#endregion |
|
|
|
|
|
|
|
|
|
string[] strNewText = strHeaderText.Split(Convert.ToChar(",")); |
|
|
|
|
if (dsSource.Tables.Count == strNewText.Length) |
|
|
|
|
{ |
|
|
|
|
for (int i = 0; i < dsSource.Tables.Count; i++) |
|
|
|
|
{ |
|
|
|
|
ExportFromDSExcel(workbook, dsSource.Tables[i], strNewText[i]); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
using (MemoryStream ms = new MemoryStream()) |
|
|
|
|
{ |
|
|
|
|
workbook.Write(ms); |
|
|
|
|
ms.Flush(); |
|
|
|
|
ms.Position = 0; |
|
|
|
|
return ms; |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
/// <summary> |
|
|
|
|
/// DataTable 导出到 Excel 的 MemoryStream |
|
|
|
|
/// </summary> |
|
|
|
|
/// <param name="workbook">源 workbook</param> |
|
|
|
|
/// <param name="dtSource">源 DataTable</param> |
|
|
|
|
/// <param name="strHeaderText">表头文本 空值未不要表头标题(多个表对应多个表头以英文逗号(,)分开,个数应与表相同)</param> |
|
|
|
|
/// <returns></returns> |
|
|
|
|
public static void ExportFromDSExcel(HSSFWorkbook workbook, DataTable dtSource, string strHeaderText) |
|
|
|
|
{ |
|
|
|
|
ICellStyle dateStyle = workbook.CreateCellStyle(); |
|
|
|
|
IDataFormat format = workbook.CreateDataFormat(); |
|
|
|
|
dateStyle.DataFormat = format.GetFormat("yyyy-MM-dd HH:mm:ss"); |
|
|
|
|
ISheet sheet = workbook.CreateSheet(strHeaderText); |
|
|
|
|
|
|
|
|
|
int[] arrColWidth = new int[dtSource.Columns.Count]; |
|
|
|
|
foreach (DataColumn item in dtSource.Columns) |
|
|
|
|
{ |
|
|
|
|
arrColWidth[item.Ordinal] = Encoding.GetEncoding("utf-8").GetBytes(item.ColumnName.ToString()).Length; |
|
|
|
|
} |
|
|
|
|
for (int i = 0; i < dtSource.Rows.Count; i++) |
|
|
|
|
{ |
|
|
|
|
for (int j = 0; j < dtSource.Columns.Count; j++) |
|
|
|
|
{ |
|
|
|
|
int intTemp = Encoding.GetEncoding("utf-8").GetBytes(dtSource.Rows[i][j].ToString()).Length; |
|
|
|
|
if (intTemp > arrColWidth[j]) |
|
|
|
|
{ |
|
|
|
|
arrColWidth[j] = intTemp; |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
int rowIndex = 0; |
|
|
|
|
int intTop = 0; |
|
|
|
|
foreach (DataRow row in dtSource.Rows) |
|
|
|
|
{ |
|
|
|
|
#region 新建表、填充表头、填充列头,样式 |
|
|
|
|
if (rowIndex == 65535 || rowIndex == 0) |
|
|
|
|
{ |
|
|
|
|
if (rowIndex != 0) |
|
|
|
|
{ |
|
|
|
|
sheet = workbook.CreateSheet(); |
|
|
|
|
} |
|
|
|
|
intTop = 0; |
|
|
|
|
#region 表头及样式 |
|
|
|
|
{ |
|
|
|
|
if (strHeaderText.Length > 0) |
|
|
|
|
{ |
|
|
|
|
IRow headerRow = sheet.CreateRow(intTop); |
|
|
|
|
intTop += 1; |
|
|
|
|
headerRow.HeightInPoints = 25; |
|
|
|
|
headerRow.CreateCell(0).SetCellValue(strHeaderText); |
|
|
|
|
ICellStyle headStyle = workbook.CreateCellStyle(); |
|
|
|
|
headStyle.Alignment = HorizontalAlignment.Center; |
|
|
|
|
IFont font = workbook.CreateFont(); |
|
|
|
|
font.FontHeightInPoints = 20; |
|
|
|
|
font.Boldweight = 700; |
|
|
|
|
headStyle.SetFont(font); |
|
|
|
|
headerRow.GetCell(0).CellStyle = headStyle; |
|
|
|
|
sheet.AddMergedRegion(new NPOI.SS.Util.CellRangeAddress(0, 0, 0, dtSource.Columns.Count - 1)); |
|
|
|
|
|
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
#endregion |
|
|
|
|
#region 列头及样式 |
|
|
|
|
{ |
|
|
|
|
IRow headerRow = sheet.CreateRow(intTop); |
|
|
|
|
intTop += 1; |
|
|
|
|
ICellStyle headStyle = workbook.CreateCellStyle(); |
|
|
|
|
headStyle.Alignment = HorizontalAlignment.Center; |
|
|
|
|
IFont font = workbook.CreateFont(); |
|
|
|
|
font.Boldweight = 700; |
|
|
|
|
headStyle.SetFont(font); |
|
|
|
|
foreach (DataColumn column in dtSource.Columns) |
|
|
|
|
{ |
|
|
|
|
headerRow.CreateCell(column.Ordinal).SetCellValue(column.ColumnName); |
|
|
|
|
headerRow.GetCell(column.Ordinal).CellStyle = headStyle; |
|
|
|
|
//设置列宽 |
|
|
|
|
// sheet.SetColumnWidth(column.Ordinal, (arrColWidth[column.Ordinal] + 1) * 256); // 设置设置列宽 太长会报错 修改2014 年9月22日 |
|
|
|
|
int dd = (arrColWidth[column.Ordinal] + 1) * 256; |
|
|
|
|
|
|
|
|
|
if (dd > 200 * 256) |
|
|
|
|
{ |
|
|
|
|
dd = 100 * 256; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
sheet.SetColumnWidth(column.Ordinal, dd); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
} |
|
|
|
|
#endregion |
|
|
|
|
rowIndex = intTop; |
|
|
|
|
} |
|
|
|
|
#endregion |
|
|
|
|
#region 填充内容 |
|
|
|
|
IRow dataRow = sheet.CreateRow(rowIndex); |
|
|
|
|
foreach (DataColumn column in dtSource.Columns) |
|
|
|
|
{ |
|
|
|
|
ICell newCell = dataRow.CreateCell(column.Ordinal); |
|
|
|
|
string drValue = row[column].ToString(); |
|
|
|
|
switch (column.DataType.ToString()) |
|
|
|
|
{ |
|
|
|
|
case "System.String"://字符串类型 |
|
|
|
|
newCell.SetCellValue(drValue); |
|
|
|
|
break; |
|
|
|
|
case "System.DateTime"://日期类型 |
|
|
|
|
if (drValue.Length > 0) |
|
|
|
|
{ |
|
|
|
|
DateTime dateV; |
|
|
|
|
DateTime.TryParse(drValue, out dateV); |
|
|
|
|
newCell.SetCellValue(dateV); |
|
|
|
|
newCell.CellStyle = dateStyle;//格式化显示 |
|
|
|
|
} |
|
|
|
|
else { newCell.SetCellValue(drValue); } |
|
|
|
|
break; |
|
|
|
|
case "System.Boolean"://布尔型 |
|
|
|
|
bool boolV = false; |
|
|
|
|
bool.TryParse(drValue, out boolV); |
|
|
|
|
newCell.SetCellValue(boolV); |
|
|
|
|
break; |
|
|
|
|
case "System.Int16": |
|
|
|
|
case "System.Int32": |
|
|
|
|
case "System.Int64": |
|
|
|
|
case "System.Byte": |
|
|
|
|
int intV = 0; |
|
|
|
|
int.TryParse(drValue, out intV); |
|
|
|
|
newCell.SetCellValue(intV); |
|
|
|
|
break; |
|
|
|
|
case "System.Decimal": |
|
|
|
|
case "System.Double": |
|
|
|
|
double doubV = 0; |
|
|
|
|
double.TryParse(drValue, out doubV); |
|
|
|
|
newCell.SetCellValue(doubV); |
|
|
|
|
break; |
|
|
|
|
case "System.DBNull"://空值处理 |
|
|
|
|
newCell.SetCellValue(""); |
|
|
|
|
break; |
|
|
|
|
default: |
|
|
|
|
newCell.SetCellValue(""); |
|
|
|
|
break; |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
#endregion |
|
|
|
|
rowIndex++; |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
} |