首次提交
This commit is contained in:
XingCheng3
626
SCADA/Core/OExcel.cs
Normal file
626
SCADA/Core/OExcel.cs
Normal file
@@ -0,0 +1,626 @@
|
||||
using NPOI.HPSF;
|
||||
using NPOI.HSSF.UserModel;
|
||||
using NPOI.SS.UserModel;
|
||||
using NPOI.XSSF.UserModel;
|
||||
using System;
|
||||
using System.Collections.Generic;
|
||||
using System.Data;
|
||||
using System.IO;
|
||||
using System.Linq;
|
||||
using System.Text;
|
||||
using System.Threading.Tasks;
|
||||
|
||||
namespace NPOITest
|
||||
{
|
||||
|
||||
/// <summary>
|
||||
/// Execl工具辅助类
|
||||
/// </summary>
|
||||
public class ExeclHelper
|
||||
{
|
||||
|
||||
/// <summary>
|
||||
/// 读取Execl数据到DataTable中
|
||||
/// </summary>
|
||||
/// <param name="filePath">指定Execl文件路径</param>
|
||||
/// <param name="isColumnName">设置第一行是否是列名</param>
|
||||
/// <returns>返回一个DataTable数据集</returns>
|
||||
public static DataTable ExcelToDataTable(string filePath, string sheetName, bool isColumnName)
|
||||
{
|
||||
DataTable dataTable = null;
|
||||
FileStream fs = null;
|
||||
DataColumn column = null;
|
||||
DataRow dataRow = null;
|
||||
IWorkbook workbook = null;
|
||||
ISheet sheet = null;
|
||||
IRow row = null;
|
||||
ICell cell = null;
|
||||
int startRow = 0;
|
||||
try
|
||||
{
|
||||
using (fs = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
|
||||
{
|
||||
// 2007版本
|
||||
if (filePath.IndexOf(".xlsx") > 0)
|
||||
workbook = new XSSFWorkbook(fs);
|
||||
// 2003版本
|
||||
else if (filePath.IndexOf(".xls") > 0)
|
||||
workbook = new HSSFWorkbook(fs);
|
||||
if (workbook != null)
|
||||
{
|
||||
sheet = workbook.GetSheet(sheetName);//读取第一个sheet，当然也可以循环读取每个sheet
|
||||
dataTable = new DataTable();
|
||||
if (sheet != null)
|
||||
{
|
||||
int rowCount = sheet.LastRowNum;//总行数
|
||||
if (rowCount > 0)
|
||||
{
|
||||
IRow firstRow = sheet.GetRow(0);//第一行
|
||||
int cellCount = firstRow.LastCellNum;//列数
|
||||
|
||||
//构建datatable的列
|
||||
if (isColumnName)
|
||||
{
|
||||
startRow = 1;//如果第一行是列名，则从第二行开始读取
|
||||
for (int i = firstRow.FirstCellNum; i < cellCount; ++i)
|
||||
{
|
||||
cell = firstRow.GetCell(i);
|
||||
if (cell != null)
|
||||
{
|
||||
if (cell.StringCellValue != null)
|
||||
{
|
||||
column = new DataColumn(cell.StringCellValue);
|
||||
dataTable.Columns.Add(column);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
for (int i = firstRow.FirstCellNum; i < cellCount; ++i)
|
||||
{
|
||||
column = new DataColumn("column" + (i + 1));
|
||||
dataTable.Columns.Add(column);
|
||||
}
|
||||
}
|
||||
|
||||
//填充行
|
||||
for (int i = startRow; i <= rowCount; ++i)
|
||||
{
|
||||
row = sheet.GetRow(i);
|
||||
if (row == null) continue;
|
||||
|
||||
dataRow = dataTable.NewRow();
|
||||
for (int j = row.FirstCellNum; j < cellCount; ++j)
|
||||
{
|
||||
cell = row.GetCell(j);
|
||||
if (cell == null)
|
||||
{
|
||||
dataRow[j] = "";
|
||||
}
|
||||
else
|
||||
{
|
||||
//CellType(Unknown = -1,Numeric = 0,String = 1,Formula = 2,Blank = 3,Boolean = 4,Error = 5,)
|
||||
switch (cell.CellType)
|
||||
{
|
||||
case CellType.Blank:
|
||||
dataRow[j] = "";
|
||||
break;
|
||||
case CellType.Numeric:
|
||||
short format = cell.CellStyle.DataFormat;
|
||||
//对时间格式（2015.12.5、2015/12/5、2015-12-5等）的处理
|
||||
if (format == 14 || format == 31 || format == 57 || format == 58)
|
||||
dataRow[j] = cell.DateCellValue;
|
||||
else
|
||||
dataRow[j] = cell.NumericCellValue;
|
||||
break;
|
||||
case CellType.String:
|
||||
dataRow[j] = cell.StringCellValue;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
dataTable.Rows.Add(dataRow);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
return dataTable;
|
||||
}
|
||||
catch (Exception err)
|
||||
{
|
||||
if (fs != null)
|
||||
{
|
||||
fs.Close();
|
||||
}
|
||||
return null;
|
||||
}
|
||||
}
|
||||
|
||||
public static DataTable ExcelToDataTable(string filePath,int sheetIndex, bool isColumnName)
|
||||
{
|
||||
DataTable dataTable = null;
|
||||
FileStream fs = null;
|
||||
DataColumn column = null;
|
||||
DataRow dataRow = null;
|
||||
IWorkbook workbook = null;
|
||||
ISheet sheet = null;
|
||||
IRow row = null;
|
||||
ICell cell = null;
|
||||
int startRow = 0;
|
||||
try
|
||||
{
|
||||
using (fs = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
|
||||
{
|
||||
// 2007版本
|
||||
if (filePath.IndexOf(".xlsx") > 0)
|
||||
workbook = new XSSFWorkbook(fs);
|
||||
// 2003版本
|
||||
else if (filePath.IndexOf(".xls") > 0)
|
||||
workbook = new HSSFWorkbook(fs);
|
||||
if (workbook != null)
|
||||
{
|
||||
sheet = workbook.GetSheetAt(sheetIndex);//读取第一个sheet，当然也可以循环读取每个sheet
|
||||
dataTable = new DataTable();
|
||||
if (sheet != null)
|
||||
{
|
||||
int rowCount = sheet.LastRowNum;//总行数
|
||||
if (rowCount > 0)
|
||||
{
|
||||
IRow firstRow = sheet.GetRow(0);//第一行
|
||||
int cellCount = firstRow.LastCellNum;//列数
|
||||
|
||||
//构建datatable的列
|
||||
if (isColumnName)
|
||||
{
|
||||
startRow = 1;//如果第一行是列名，则从第二行开始读取
|
||||
for (int i = firstRow.FirstCellNum; i < cellCount; ++i)
|
||||
{
|
||||
cell = firstRow.GetCell(i);
|
||||
if (cell != null)
|
||||
{
|
||||
if (cell.StringCellValue != null)
|
||||
{
|
||||
column = new DataColumn(cell.StringCellValue);
|
||||
dataTable.Columns.Add(column);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
for (int i = firstRow.FirstCellNum; i < cellCount; ++i)
|
||||
{
|
||||
column = new DataColumn("column" + (i + 1));
|
||||
dataTable.Columns.Add(column);
|
||||
}
|
||||
}
|
||||
|
||||
//填充行
|
||||
for (int i = startRow; i <= rowCount; ++i)
|
||||
{
|
||||
row = sheet.GetRow(i);
|
||||
if (row == null) continue;
|
||||
|
||||
dataRow = dataTable.NewRow();
|
||||
for (int j = row.FirstCellNum; j < cellCount; ++j)
|
||||
{
|
||||
cell = row.GetCell(j);
|
||||
if (cell == null)
|
||||
{
|
||||
dataRow[j] = "";
|
||||
}
|
||||
else
|
||||
{
|
||||
//CellType(Unknown = -1,Numeric = 0,String = 1,Formula = 2,Blank = 3,Boolean = 4,Error = 5,)
|
||||
switch (cell.CellType)
|
||||
{
|
||||
case CellType.Blank:
|
||||
dataRow[j] = "";
|
||||
break;
|
||||
case CellType.Numeric:
|
||||
short format = cell.CellStyle.DataFormat;
|
||||
//对时间格式（2015.12.5、2015/12/5、2015-12-5等）的处理
|
||||
if (format == 14 || format == 31 || format == 57 || format == 58 || format == 22)
|
||||
dataRow[j] = cell.DateCellValue;
|
||||
else
|
||||
dataRow[j] = cell.NumericCellValue;
|
||||
break;
|
||||
case CellType.String:
|
||||
dataRow[j] = cell.StringCellValue;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
dataTable.Rows.Add(dataRow);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
return dataTable;
|
||||
}
|
||||
catch (Exception)
|
||||
{
|
||||
if (fs != null)
|
||||
{
|
||||
fs.Close();
|
||||
}
|
||||
return null;
|
||||
}
|
||||
}
|
||||
public static void DataTableToExcel(DataTable dataTable, string templatePath, string outputPath, int startRow, int startCol)
|
||||
{
|
||||
// 加载模板文件
|
||||
using (FileStream fs = new FileStream(templatePath, FileMode.Open, FileAccess.Read))
|
||||
{
|
||||
IWorkbook workbook = new XSSFWorkbook(fs);
|
||||
ISheet sheet = workbook.GetSheetAt(0); // 获取第一个工作表
|
||||
// 创建单元格样式
|
||||
ICellStyle cellStyle = workbook.CreateCellStyle();
|
||||
IFont font = workbook.CreateFont();
|
||||
font.FontHeightInPoints = 12;
|
||||
cellStyle.SetFont(font);
|
||||
cellStyle.BorderTop = BorderStyle.Thin;
|
||||
cellStyle.BorderBottom = BorderStyle.Thin;
|
||||
cellStyle.BorderLeft = BorderStyle.Thin;
|
||||
cellStyle.BorderRight = BorderStyle.Thin;
|
||||
cellStyle.Alignment = HorizontalAlignment.Center;
|
||||
// 遍历DataTable的每一行
|
||||
for (int i = 0; i < dataTable.Rows.Count; i++)
|
||||
{
|
||||
IRow row = sheet.CreateRow(startRow + i); // 创建新行
|
||||
|
||||
// 遍历DataTable的每一列
|
||||
for (int j = 0; j < dataTable.Columns.Count; j++)
|
||||
{
|
||||
ICell cell = row.CreateCell(startCol + j); // 创建新单元格
|
||||
cell.SetCellValue(dataTable.Rows[i][j].ToString());
|
||||
cell.CellStyle = cellStyle; // 应用单元格样式
|
||||
}
|
||||
}
|
||||
|
||||
// 保存输出文件
|
||||
using (FileStream outputStream = new FileStream(outputPath, FileMode.Create, FileAccess.Write))
|
||||
{
|
||||
workbook.Write(outputStream);
|
||||
}
|
||||
}
|
||||
}
|
||||
/// <summary>
|
||||
/// 将DataTable导出到Excel文档（自动根据扩展名选择 .xlsx / .xls 格式）
|
||||
/// </summary>
|
||||
/// <param name="dt">传入一个DataTable数据集</param>
|
||||
/// <param name="sheetName">工作表名称</param>
|
||||
/// <param name="Outpath">导出文件完整路径（支持 .xlsx 和 .xls）</param>
|
||||
/// <returns>True表示导出成功，False表示导出失败</returns>
|
||||
public static bool DataTableToExcel(DataTable dt, string sheetName, string Outpath)
|
||||
{
|
||||
if (dt == null || dt.Rows.Count == 0 || string.IsNullOrWhiteSpace(Outpath))
|
||||
return false;
|
||||
|
||||
IWorkbook workbook = null;
|
||||
try
|
||||
{
|
||||
// ── 1. 根据文件扩展名选择正确的 Workbook 类型 ──
|
||||
string ext = Path.GetExtension(Outpath).ToLowerInvariant();
|
||||
if (ext == ".xlsx")
|
||||
workbook = new XSSFWorkbook(); // OOXML 格式
|
||||
else
|
||||
workbook = new HSSFWorkbook(); // BIFF8 格式
|
||||
|
||||
ISheet sheet = workbook.CreateSheet(sheetName);
|
||||
int rowCount = dt.Rows.Count;
|
||||
int columnCount = dt.Columns.Count;
|
||||
|
||||
// ── 2. 创建表头样式（加粗 + 背景色 + 边框） ──
|
||||
ICellStyle headerStyle = workbook.CreateCellStyle();
|
||||
IFont headerFont = workbook.CreateFont();
|
||||
headerFont.IsBold = true;
|
||||
headerFont.FontHeightInPoints = 11;
|
||||
headerFont.FontName = "微软雅黑";
|
||||
headerStyle.SetFont(headerFont);
|
||||
headerStyle.FillForegroundColor = NPOI.HSSF.Util.HSSFColor.Grey25Percent.Index;
|
||||
headerStyle.FillPattern = FillPattern.SolidForeground;
|
||||
headerStyle.Alignment = HorizontalAlignment.Center;
|
||||
headerStyle.VerticalAlignment = VerticalAlignment.Center;
|
||||
headerStyle.BorderTop = BorderStyle.Thin;
|
||||
headerStyle.BorderBottom = BorderStyle.Thin;
|
||||
headerStyle.BorderLeft = BorderStyle.Thin;
|
||||
headerStyle.BorderRight = BorderStyle.Thin;
|
||||
|
||||
// ── 3. 创建数据行样式（边框） ──
|
||||
ICellStyle dataStyle = workbook.CreateCellStyle();
|
||||
IFont dataFont = workbook.CreateFont();
|
||||
dataFont.FontHeightInPoints = 10;
|
||||
dataFont.FontName = "微软雅黑";
|
||||
dataStyle.SetFont(dataFont);
|
||||
dataStyle.VerticalAlignment = VerticalAlignment.Center;
|
||||
dataStyle.BorderTop = BorderStyle.Thin;
|
||||
dataStyle.BorderBottom = BorderStyle.Thin;
|
||||
dataStyle.BorderLeft = BorderStyle.Thin;
|
||||
dataStyle.BorderRight = BorderStyle.Thin;
|
||||
|
||||
// ── 4. 写入列头 ──
|
||||
IRow headerRow = sheet.CreateRow(0);
|
||||
headerRow.HeightInPoints = 22;
|
||||
for (int c = 0; c < columnCount; c++)
|
||||
{
|
||||
ICell cell = headerRow.CreateCell(c);
|
||||
cell.SetCellValue(dt.Columns[c].ColumnName);
|
||||
cell.CellStyle = headerStyle;
|
||||
}
|
||||
|
||||
// ── 5. 写入数据行 ──
|
||||
for (int i = 0; i < rowCount; i++)
|
||||
{
|
||||
IRow row = sheet.CreateRow(i + 1);
|
||||
for (int j = 0; j < columnCount; j++)
|
||||
{
|
||||
ICell cell = row.CreateCell(j);
|
||||
object val = dt.Rows[i][j];
|
||||
// 根据数据类型设置单元格值，保留数值精度
|
||||
if (val == null || val == DBNull.Value)
|
||||
{
|
||||
cell.SetCellValue("");
|
||||
}
|
||||
else if (val is DateTime dtVal)
|
||||
{
|
||||
cell.SetCellValue(dtVal.ToString("yyyy-MM-dd HH:mm:ss"));
|
||||
}
|
||||
else if (val is double || val is float || val is decimal)
|
||||
{
|
||||
cell.SetCellValue(Convert.ToDouble(val));
|
||||
}
|
||||
else if (val is int || val is long || val is short)
|
||||
{
|
||||
cell.SetCellValue(Convert.ToDouble(val));
|
||||
}
|
||||
else
|
||||
{
|
||||
cell.SetCellValue(val.ToString());
|
||||
}
|
||||
cell.CellStyle = dataStyle;
|
||||
}
|
||||
}
|
||||
|
||||
// ── 6. 自动调整列宽（限制最大宽度避免过宽） ──
|
||||
for (int c = 0; c < columnCount; c++)
|
||||
{
|
||||
sheet.AutoSizeColumn(c);
|
||||
int colWidth = sheet.GetColumnWidth(c);
|
||||
// 最大列宽限制为 50 个字符宽度 (50 * 256)
|
||||
if (colWidth > 50 * 256)
|
||||
sheet.SetColumnWidth(c, 50 * 256);
|
||||
// 最小列宽
|
||||
else if (colWidth < 10 * 256)
|
||||
sheet.SetColumnWidth(c, 10 * 256);
|
||||
}
|
||||
|
||||
// ── 7. 写入文件（使用 FileMode.Create 确保覆盖写入） ──
|
||||
using (FileStream fs = new FileStream(Outpath, FileMode.Create, FileAccess.Write))
|
||||
{
|
||||
workbook.Write(fs);
|
||||
}
|
||||
return true;
|
||||
}
|
||||
catch (Exception ex)
|
||||
{
|
||||
System.Diagnostics.Debug.WriteLine($"[ExeclHelper] 导出Excel失败: {ex.Message}");
|
||||
return false;
|
||||
}
|
||||
finally
|
||||
{
|
||||
if (workbook != null)
|
||||
{
|
||||
workbook.Close();
|
||||
workbook = null;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/// <summary>
|
||||
/// 读取Execl数据到DataTable(DataSet)中
|
||||
/// </summary>
|
||||
/// <param name="filePath">指定Execl文件路径</param>
|
||||
/// <param name="isFirstLineColumnName">设置第一行是否是列名</param>
|
||||
/// <returns>返回一个DataTable数据集</returns>
|
||||
public static DataSet ExcelToDataSet(string filePath, bool isFirstLineColumnName)
|
||||
{
|
||||
DataSet dataSet = new DataSet();
|
||||
int startRow = 0;
|
||||
try
|
||||
{
|
||||
using (FileStream fs = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
|
||||
{
|
||||
IWorkbook workbook = null;
|
||||
// 如果是2007+的Excel版本
|
||||
if (filePath.IndexOf(".xlsx") > 0)
|
||||
{
|
||||
workbook = new XSSFWorkbook(fs);
|
||||
}
|
||||
// 如果是2003-的Excel版本
|
||||
else if (filePath.IndexOf(".xls") > 0)
|
||||
{
|
||||
workbook = new HSSFWorkbook(fs);
|
||||
}
|
||||
if (workbook != null)
|
||||
{
|
||||
//循环读取Excel的每个sheet，每个sheet页都转换为一个DataTable，并放在DataSet中
|
||||
for (int p = 0; p < workbook.NumberOfSheets; p++)
|
||||
{
|
||||
ISheet sheet = workbook.GetSheetAt(p);
|
||||
DataTable dataTable = new DataTable();
|
||||
dataTable.TableName = sheet.SheetName;
|
||||
if (sheet != null)
|
||||
{
|
||||
int rowCount = sheet.LastRowNum;//获取总行数
|
||||
if (rowCount > 0)
|
||||
{
|
||||
IRow firstRow = sheet.GetRow(0);//获取第一行
|
||||
int cellCount = firstRow.LastCellNum;//获取总列数
|
||||
|
||||
//构建datatable的列
|
||||
if (isFirstLineColumnName)
|
||||
{
|
||||
startRow = 1;//如果第一行是列名，则从第二行开始读取
|
||||
for (int i = firstRow.FirstCellNum; i < cellCount; ++i)
|
||||
{
|
||||
ICell cell = firstRow.GetCell(i);
|
||||
if (cell != null)
|
||||
{
|
||||
if (cell.StringCellValue != null)
|
||||
{
|
||||
DataColumn column = new DataColumn(cell.StringCellValue);
|
||||
dataTable.Columns.Add(column);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
for (int i = firstRow.FirstCellNum; i < cellCount; ++i)
|
||||
{
|
||||
DataColumn column = new DataColumn("column" + (i + 1));
|
||||
dataTable.Columns.Add(column);
|
||||
}
|
||||
}
|
||||
|
||||
//填充行
|
||||
for (int i = startRow; i <= rowCount; ++i)
|
||||
{
|
||||
IRow row = sheet.GetRow(i);
|
||||
if (row == null) continue;
|
||||
|
||||
DataRow dataRow = dataTable.NewRow();
|
||||
for (int j = row.FirstCellNum; j < cellCount; ++j)
|
||||
{
|
||||
ICell cell = row.GetCell(j);
|
||||
if (cell == null)
|
||||
{
|
||||
dataRow[j] = "";
|
||||
}
|
||||
else
|
||||
{
|
||||
//CellType(Unknown = -1,Numeric = 0,String = 1,Formula = 2,Blank = 3,Boolean = 4,Error = 5,)
|
||||
switch (cell.CellType)
|
||||
{
|
||||
case CellType.Blank:
|
||||
dataRow[j] = "";
|
||||
break;
|
||||
case CellType.Numeric:
|
||||
short format = cell.CellStyle.DataFormat;
|
||||
//对时间格式（2015.12.5、2015/12/5、2015-12-5等）的处理
|
||||
if (format == 14 || format == 31 || format == 57 || format == 58)
|
||||
dataRow[j] = cell.DateCellValue;
|
||||
else
|
||||
dataRow[j] = cell.NumericCellValue;
|
||||
break;
|
||||
case CellType.String:
|
||||
dataRow[j] = cell.StringCellValue;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
dataTable.Rows.Add(dataRow);
|
||||
}
|
||||
}
|
||||
}
|
||||
dataSet.Tables.Add(dataTable);
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
return dataSet;
|
||||
}
|
||||
catch (Exception err)
|
||||
{
|
||||
return null;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/// <summary>
|
||||
/// 将DataTable(DataSet)导出到Execl文档
|
||||
/// </summary>
|
||||
/// <param name="dataSet">传入一个DataSet</param>
|
||||
/// <param name="Outpath">导出路径（可以不加扩展名，不加默认为.xls）</param>
|
||||
/// <returns>返回一个Bool类型的值，表示是否导出成功</returns>
|
||||
/// True表示导出成功，Flase表示导出失败
|
||||
public static bool DataSetToExcel(DataSet dataSet, string Outpath)
|
||||
{
|
||||
bool result = false;
|
||||
try
|
||||
{
|
||||
if (dataSet == null || dataSet.Tables == null || dataSet.Tables.Count == 0 || string.IsNullOrEmpty(Outpath))
|
||||
throw new Exception("输入的DataSet或路径异常");
|
||||
int sheetIndex = 0;
|
||||
//根据输出路径的扩展名判断workbook的实例类型
|
||||
IWorkbook workbook = null;
|
||||
string pathExtensionName = Outpath.Trim().Substring(Outpath.Length - 5);
|
||||
if (pathExtensionName.Contains(".xlsx"))
|
||||
{
|
||||
workbook = new XSSFWorkbook();
|
||||
}
|
||||
else if (pathExtensionName.Contains(".xls"))
|
||||
{
|
||||
workbook = new HSSFWorkbook();
|
||||
}
|
||||
else
|
||||
{
|
||||
Outpath = Outpath.Trim() + ".xls";
|
||||
workbook = new HSSFWorkbook();
|
||||
}
|
||||
//将DataSet导出为Excel
|
||||
foreach (DataTable dt in dataSet.Tables)
|
||||
{
|
||||
sheetIndex++;
|
||||
if (dt != null && dt.Rows.Count > 0)
|
||||
{
|
||||
ISheet sheet = workbook.CreateSheet(string.IsNullOrEmpty(dt.TableName) ? ("sheet" + sheetIndex) : dt.TableName);//创建一个名称为Sheet0的表
|
||||
int rowCount = dt.Rows.Count;//行数
|
||||
int columnCount = dt.Columns.Count;//列数
|
||||
|
||||
//设置列头
|
||||
IRow row = sheet.CreateRow(0);//excel第一行设为列头
|
||||
for (int c = 0; c < columnCount; c++)
|
||||
{
|
||||
ICell cell = row.CreateCell(c);
|
||||
cell.SetCellValue(dt.Columns[c].ColumnName);
|
||||
}
|
||||
|
||||
//设置每行每列的单元格,
|
||||
for (int i = 0; i < rowCount; i++)
|
||||
{
|
||||
row = sheet.CreateRow(i + 1);
|
||||
for (int j = 0; j < columnCount; j++)
|
||||
{
|
||||
ICell cell = row.CreateCell(j);//excel第二行开始写入数据
|
||||
cell.SetCellValue(dt.Rows[i][j].ToString());
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
//向outPath输出数据
|
||||
using (FileStream fs = File.OpenWrite(Outpath))
|
||||
{
|
||||
workbook.Write(fs);//向打开的这个xls文件中写入数据
|
||||
result = true;
|
||||
}
|
||||
return result;
|
||||
}
|
||||
catch (Exception ex)
|
||||
{
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
}
|
||||
|
||||
|
||||
}
|
||||
|
||||
|
||||
Reference in New Issue
Block a user