2022-03-15 17:36:38 +08:00
|
|
|
|
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;
|
|
|
|
|
|
|
|
|
|
|
|
namespace BLL.Common
|
|
|
|
|
|
{
|
|
|
|
|
|
public class NPOIHelper
|
|
|
|
|
|
{
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
/// Excel转换成DataTable（.xls）
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
/// <param name="filePath">Excel文件路径</param>
|
|
|
|
|
|
/// <returns></returns>
|
|
|
|
|
|
public static DataTable ExcelToDataTable(string filePath)
|
|
|
|
|
|
{
|
|
|
|
|
|
var dt = new DataTable();
|
|
|
|
|
|
using (var file = new FileStream(filePath, FileMode.Open, FileAccess.Read))
|
|
|
|
|
|
{
|
|
|
|
|
|
var hssfworkbook = new HSSFWorkbook(file);
|
|
|
|
|
|
var sheet = hssfworkbook.GetSheetAt(0);
|
|
|
|
|
|
for (var j = 0; j < 5; j++)
|
|
|
|
|
|
{
|
|
|
|
|
|
dt.Columns.Add(Convert.ToChar(((int)'A') + j).ToString());
|
|
|
|
|
|
}
|
|
|
|
|
|
var rows = sheet.GetRowEnumerator();
|
|
|
|
|
|
while (rows.MoveNext())
|
|
|
|
|
|
{
|
|
|
|
|
|
var row = (HSSFRow)rows.Current;
|
|
|
|
|
|
var dr = dt.NewRow();
|
|
|
|
|
|
for (var i = 0; i < row.LastCellNum; i++)
|
|
|
|
|
|
{
|
|
|
|
|
|
var cell = row.GetCell(i);
|
|
|
|
|
|
if (cell == null)
|
|
|
|
|
|
{
|
|
|
|
|
|
dr[i] = null;
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
switch (cell.CellType)
|
|
|
|
|
|
{
|
|
|
|
|
|
case CellType.Blank:
|
|
|
|
|
|
dr[i] = "[null]";
|
|
|
|
|
|
break;
|
|
|
|
|
|
case CellType.Boolean:
|
|
|
|
|
|
dr[i] = cell.BooleanCellValue;
|
|
|
|
|
|
break;
|
|
|
|
|
|
case CellType.Numeric:
|
|
|
|
|
|
dr[i] = cell.ToString();
|
|
|
|
|
|
break;
|
|
|
|
|
|
case CellType.String:
|
|
|
|
|
|
dr[i] = cell.StringCellValue;
|
|
|
|
|
|
break;
|
|
|
|
|
|
case CellType.Error:
|
|
|
|
|
|
dr[i] = cell.ErrorCellValue;
|
|
|
|
|
|
break;
|
|
|
|
|
|
case CellType.Formula:
|
|
|
|
|
|
try
|
|
|
|
|
|
{
|
|
|
|
|
|
dr[i] = cell.NumericCellValue;
|
|
|
|
|
|
}
|
|
|
|
|
|
catch
|
|
|
|
|
|
{
|
|
|
|
|
|
dr[i] = cell.StringCellValue;
|
|
|
|
|
|
}
|
|
|
|
|
|
break;
|
|
|
|
|
|
default:
|
|
|
|
|
|
dr[i] = "=" + cell.CellFormula;
|
|
|
|
|
|
break;
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
dt.Rows.Add(dr);
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
return dt;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
public static DataTable ExcelToDataTable1(string filePath)
|
|
|
|
|
|
{
|
|
|
|
|
|
var dt = new DataTable();
|
|
|
|
|
|
using (var file = new FileStream(filePath, FileMode.Open, FileAccess.Read))
|
|
|
|
|
|
{
|
|
|
|
|
|
var hssfworkbook = new HSSFWorkbook(file);
|
|
|
|
|
|
var sheet = hssfworkbook.GetSheetAt(0);
|
|
|
|
|
|
var rows = sheet.GetRowEnumerator();
|
|
|
|
|
|
rows.MoveNext();
|
|
|
|
|
|
var row = (HSSFRow)rows.Current;
|
2022-12-20 09:32:32 +08:00
|
|
|
|
try
|
2022-03-15 17:36:38 +08:00
|
|
|
|
{
|
2022-12-20 09:32:32 +08:00
|
|
|
|
for (var j = 0; j < row.LastCellNum; j++)
|
|
|
|
|
|
{
|
|
|
|
|
|
var cell = row.GetCell(j);
|
|
|
|
|
|
if (cell != null)
|
2022-03-15 17:36:38 +08:00
|
|
|
|
{
|
2022-12-20 09:32:32 +08:00
|
|
|
|
dt.Columns.Add(cell.StringCellValue);
|
2022-03-15 17:36:38 +08:00
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
2022-12-20 09:32:32 +08:00
|
|
|
|
dt.Columns.Add("collum" + j);
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
while (rows.MoveNext())
|
|
|
|
|
|
{
|
|
|
|
|
|
row = (HSSFRow)rows.Current;
|
|
|
|
|
|
var dr = dt.NewRow();
|
|
|
|
|
|
for (var i = 0; i < row.LastCellNum; i++)
|
|
|
|
|
|
{
|
|
|
|
|
|
var cell = row.GetCell(i);
|
|
|
|
|
|
if (cell == null)
|
2022-03-15 17:36:38 +08:00
|
|
|
|
{
|
2022-12-20 09:32:32 +08:00
|
|
|
|
dr[i] = null;
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
switch (cell.CellType)
|
|
|
|
|
|
{
|
|
|
|
|
|
case CellType.Blank:
|
|
|
|
|
|
//dr[i] = "[null]";
|
|
|
|
|
|
break;
|
|
|
|
|
|
case CellType.Boolean:
|
|
|
|
|
|
dr[i] = cell.BooleanCellValue;
|
|
|
|
|
|
break;
|
|
|
|
|
|
case CellType.Numeric:
|
|
|
|
|
|
dr[i] = cell.ToString();
|
|
|
|
|
|
break;
|
|
|
|
|
|
case CellType.String:
|
2022-03-15 17:36:38 +08:00
|
|
|
|
dr[i] = cell.StringCellValue;
|
2022-12-20 09:32:32 +08:00
|
|
|
|
break;
|
|
|
|
|
|
case CellType.Error:
|
|
|
|
|
|
dr[i] = cell.ErrorCellValue;
|
|
|
|
|
|
break;
|
|
|
|
|
|
case CellType.Formula:
|
|
|
|
|
|
try
|
|
|
|
|
|
{
|
|
|
|
|
|
dr[i] = cell.NumericCellValue;
|
|
|
|
|
|
}
|
|
|
|
|
|
catch
|
|
|
|
|
|
{
|
|
|
|
|
|
dr[i] = cell.StringCellValue;
|
|
|
|
|
|
}
|
|
|
|
|
|
break;
|
|
|
|
|
|
default:
|
|
|
|
|
|
dr[i] = "=" + cell.CellFormula;
|
|
|
|
|
|
break;
|
|
|
|
|
|
}
|
2022-03-15 17:36:38 +08:00
|
|
|
|
}
|
|
|
|
|
|
}
|
2022-12-20 09:32:32 +08:00
|
|
|
|
dt.Rows.Add(dr);
|
2022-03-15 17:36:38 +08:00
|
|
|
|
}
|
2022-12-20 09:32:32 +08:00
|
|
|
|
}
|
|
|
|
|
|
catch (Exception ex)
|
|
|
|
|
|
{
|
2022-03-15 17:36:38 +08:00
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
return dt;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
/// Excel转换成DataSet（.xlsx/.xls）
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
/// <param name="filePath">Excel文件路径</param>
|
|
|
|
|
|
/// <param name="strMsg"></param>
|
|
|
|
|
|
/// <param firstTitle="strMsg">第一行是否为表头</param>
|
|
|
|
|
|
/// <returns></returns>
|
|
|
|
|
|
public static DataSet ExcelToDataSet(string filePath, out string strMsg, bool firstTitle = false)
|
|
|
|
|
|
{
|
|
|
|
|
|
strMsg = "";
|
|
|
|
|
|
DataSet ds = new DataSet();
|
|
|
|
|
|
DataTable dt = new DataTable();
|
|
|
|
|
|
string fileType = Path.GetExtension(filePath).ToLower();
|
|
|
|
|
|
string fileName = Path.GetFileName(filePath).ToLower();
|
|
|
|
|
|
try
|
|
|
|
|
|
{
|
|
|
|
|
|
ISheet sheet = null;
|
|
|
|
|
|
int sheetNumber = 0;
|
|
|
|
|
|
FileStream fs = new FileStream(filePath, FileMode.Open, FileAccess.Read);
|
|
|
|
|
|
if (fileType == ".xlsx")
|
|
|
|
|
|
{
|
|
|
|
|
|
// 2007版本
|
|
|
|
|
|
XSSFWorkbook workbook = new XSSFWorkbook(fs);
|
|
|
|
|
|
sheetNumber = workbook.NumberOfSheets;
|
|
|
|
|
|
for (int i = 0; i < sheetNumber; i++)
|
|
|
|
|
|
{
|
|
|
|
|
|
string sheetName = workbook.GetSheetName(i);
|
|
|
|
|
|
sheet = workbook.GetSheet(sheetName);
|
|
|
|
|
|
if (sheet != null)
|
|
|
|
|
|
{
|
|
|
|
|
|
dt = firstTitle ? GetFirstSheetDataTable(sheet, out strMsg) : GetSheetDataTable(sheet, out strMsg);
|
|
|
|
|
|
if (dt != null)
|
|
|
|
|
|
{
|
|
|
|
|
|
dt.TableName = sheetName.Trim();
|
|
|
|
|
|
ds.Tables.Add(dt);
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
strMsg = "Sheet数据获取失败，原因：" + strMsg;
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
else if (fileType == ".xls")
|
|
|
|
|
|
{
|
|
|
|
|
|
// 2003版本
|
|
|
|
|
|
HSSFWorkbook workbook = new HSSFWorkbook(fs);
|
|
|
|
|
|
sheetNumber = workbook.NumberOfSheets;
|
|
|
|
|
|
for (int i = 0; i < sheetNumber; i++)
|
|
|
|
|
|
{
|
|
|
|
|
|
string sheetName = workbook.GetSheetName(i);
|
|
|
|
|
|
sheet = workbook.GetSheet(sheetName);
|
|
|
|
|
|
if (sheet != null)
|
|
|
|
|
|
{
|
|
|
|
|
|
//dt = GetSheetDataTable(sheet, out strMsg);
|
|
|
|
|
|
dt = firstTitle ? GetFirstSheetDataTable(sheet, out strMsg) : GetSheetDataTable(sheet, out strMsg);
|
|
|
|
|
|
if (dt != null)
|
|
|
|
|
|
{
|
|
|
|
|
|
dt.TableName = sheetName.Trim();
|
|
|
|
|
|
ds.Tables.Add(dt);
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
strMsg = "Sheet数据获取失败，原因：" + strMsg;
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
return ds;
|
|
|
|
|
|
}
|
|
|
|
|
|
catch (Exception ex)
|
|
|
|
|
|
{
|
|
|
|
|
|
strMsg = ex.Message;
|
|
|
|
|
|
return null;
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
/// 获取sheet表对应的DataTable
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
/// <param name="sheet">Excel工作表</param>
|
|
|
|
|
|
/// <param name="strMsg"></param>
|
|
|
|
|
|
/// <returns></returns>
|
|
|
|
|
|
private static DataTable GetSheetDataTable(ISheet sheet, out string strMsg)
|
|
|
|
|
|
{
|
|
|
|
|
|
strMsg = "";
|
|
|
|
|
|
DataTable dt = new DataTable();
|
|
|
|
|
|
string sheetName = sheet.SheetName;
|
|
|
|
|
|
int startIndex = 0;// sheet.FirstRowNum;
|
|
|
|
|
|
int lastIndex = sheet.LastRowNum;
|
|
|
|
|
|
//最大列数
|
|
|
|
|
|
int cellCount = 0;
|
|
|
|
|
|
IRow maxRow = sheet.GetRow(0);
|
|
|
|
|
|
for (int i = startIndex; i <= lastIndex; i++)
|
|
|
|
|
|
{
|
|
|
|
|
|
IRow row = sheet.GetRow(i);
|
|
|
|
|
|
if (row != null && cellCount < row.LastCellNum)
|
|
|
|
|
|
{
|
|
|
|
|
|
cellCount = row.LastCellNum;
|
|
|
|
|
|
maxRow = row;
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
//列名设置
|
|
|
|
|
|
try
|
|
|
|
|
|
{
|
|
|
|
|
|
for (int i = 0; i < maxRow.LastCellNum; i++)//maxRow.FirstCellNum
|
|
|
|
|
|
{
|
|
|
|
|
|
dt.Columns.Add(Convert.ToChar(((int)'A') + i).ToString());
|
|
|
|
|
|
//DataColumn column = new DataColumn("Column" + (i + 1).ToString());
|
|
|
|
|
|
//dt.Columns.Add(column);
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
catch
|
|
|
|
|
|
{
|
|
|
|
|
|
strMsg = "工作表" + sheetName + "中无数据";
|
|
|
|
|
|
return null;
|
|
|
|
|
|
}
|
|
|
|
|
|
//数据填充
|
|
|
|
|
|
for (int i = startIndex; i <= lastIndex; i++)
|
|
|
|
|
|
{
|
|
|
|
|
|
IRow row = sheet.GetRow(i);
|
|
|
|
|
|
DataRow drNew = dt.NewRow();
|
|
|
|
|
|
if (row != null)
|
|
|
|
|
|
{
|
|
|
|
|
|
for (int j = row.FirstCellNum; j < row.LastCellNum; ++j)
|
|
|
|
|
|
{
|
|
|
|
|
|
if (row.GetCell(j) != null)
|
|
|
|
|
|
{
|
|
|
|
|
|
ICell cell = row.GetCell(j);
|
|
|
|
|
|
switch (cell.CellType)
|
|
|
|
|
|
{
|
|
|
|
|
|
case CellType.Blank:
|
|
|
|
|
|
drNew[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)
|
|
|
|
|
|
drNew[j] = cell.DateCellValue;
|
|
|
|
|
|
else
|
|
|
|
|
|
drNew[j] = cell.NumericCellValue;
|
|
|
|
|
|
if (cell.CellStyle.DataFormat == 177 || cell.CellStyle.DataFormat == 178 || cell.CellStyle.DataFormat == 188)
|
|
|
|
|
|
drNew[j] = cell.NumericCellValue.ToString("#0.00");
|
|
|
|
|
|
break;
|
|
|
|
|
|
case CellType.String:
|
|
|
|
|
|
drNew[j] = cell.StringCellValue;
|
|
|
|
|
|
break;
|
|
|
|
|
|
case CellType.Formula:
|
|
|
|
|
|
try
|
|
|
|
|
|
{
|
|
|
|
|
|
drNew[j] = cell.NumericCellValue;
|
|
|
|
|
|
if (cell.CellStyle.DataFormat == 177 || cell.CellStyle.DataFormat == 178 || cell.CellStyle.DataFormat == 188)
|
|
|
|
|
|
drNew[j] = cell.NumericCellValue.ToString("#0.00");
|
|
|
|
|
|
}
|
|
|
|
|
|
catch
|
|
|
|
|
|
{
|
|
|
|
|
|
try
|
|
|
|
|
|
{
|
|
|
|
|
|
drNew[j] = cell.StringCellValue;
|
|
|
|
|
|
}
|
|
|
|
|
|
catch { }
|
|
|
|
|
|
}
|
|
|
|
|
|
break;
|
|
|
|
|
|
default:
|
|
|
|
|
|
drNew[j] = cell.StringCellValue;
|
|
|
|
|
|
break;
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
dt.Rows.Add(drNew);
|
|
|
|
|
|
}
|
|
|
|
|
|
return dt;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
/// 默认第一行为表头，获取sheet表对应的DataTable
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
/// <param name="sheet">Excel工作表</param>
|
|
|
|
|
|
/// <param name="strMsg"></param>
|
|
|
|
|
|
/// <returns></returns>
|
|
|
|
|
|
private static DataTable GetFirstSheetDataTable(ISheet sheet, out string strMsg)
|
|
|
|
|
|
{
|
|
|
|
|
|
strMsg = string.Empty;
|
|
|
|
|
|
DataTable dt = new DataTable();
|
|
|
|
|
|
FileStream file = null;
|
|
|
|
|
|
try
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
|
|
|
|
//ISheet sheet = Workbook.GetSheetAt(0);//读取第一个sheet
|
|
|
|
|
|
System.Collections.IEnumerator rows = sheet.GetRowEnumerator();
|
|
|
|
|
|
//得到Excel工作表的行
|
|
|
|
|
|
IRow headerRow = sheet.GetRow(0);
|
|
|
|
|
|
//得到Excel工作表的总列数
|
|
|
|
|
|
int cellCount = headerRow.LastCellNum;
|
|
|
|
|
|
|
|
|
|
|
|
for (int j = 0; j < cellCount; j++)
|
|
|
|
|
|
{
|
|
|
|
|
|
//得到Excel工作表指定行的单元格
|
|
|
|
|
|
ICell cell = headerRow.GetCell(j);
|
|
|
|
|
|
if (cell != null)
|
|
|
|
|
|
{
|
|
|
|
|
|
dt.Columns.Add(cell.ToString().Trim());
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
dt.Columns.Add(j.ToString());
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
for (int i = (sheet.FirstRowNum + 1); i <= sheet.LastRowNum; i++)
|
|
|
|
|
|
{
|
|
|
|
|
|
IRow row = sheet.GetRow(i);
|
|
|
|
|
|
DataRow dataRow = dt.NewRow();
|
|
|
|
|
|
|
|
|
|
|
|
for (int j = row.FirstCellNum; j < cellCount; j++)
|
|
|
|
|
|
{
|
|
|
|
|
|
if (row.PhysicalNumberOfCells != 0 && row.GetCell(j) != null)
|
|
|
|
|
|
{
|
|
|
|
|
|
if (row.GetCell(j).CellType == CellType.Numeric && DateUtil.IsCellDateFormatted(row.GetCell(j)))
|
|
|
|
|
|
{
|
|
|
|
|
|
dataRow[j] = row.GetCell(j).DateCellValue;
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
dataRow[j] = row.GetCell(j).ToString();
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
dt.Rows.Add(dataRow);
|
|
|
|
|
|
}
|
|
|
|
|
|
return dt;
|
|
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
catch (Exception ex)
|
|
|
|
|
|
{
|
|
|
|
|
|
strMsg = ex.Message;
|
|
|
|
|
|
if (file != null)
|
|
|
|
|
|
{
|
|
|
|
|
|
file.Close();//关闭当前流并释放资源
|
|
|
|
|
|
}
|
|
|
|
|
|
return null;
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>读取excel 到datatable
|
|
|
|
|
|
/// 默认第一行为表头，导入第一个工作表
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
/// <param name="strFileName">excel文档路径</param>
|
|
|
|
|
|
/// <returns></returns>
|
|
|
|
|
|
public static DataTable FirstTitleExcelToDataTable(string strFileName)
|
|
|
|
|
|
{
|
|
|
|
|
|
DataTable dt = new DataTable();
|
|
|
|
|
|
FileStream file = null;
|
|
|
|
|
|
IWorkbook Workbook = null;
|
|
|
|
|
|
try
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
|
|
|
|
using (file = new FileStream(strFileName, FileMode.Open, FileAccess.Read))//C#文件流读取文件
|
|
|
|
|
|
{
|
|
|
|
|
|
if (strFileName.IndexOf(".xlsx") > 0)
|
|
|
|
|
|
//把xlsx文件中的数据写入Workbook中
|
|
|
|
|
|
Workbook = new XSSFWorkbook(file);
|
|
|
|
|
|
|
|
|
|
|
|
else if (strFileName.IndexOf(".xls") > 0)
|
|
|
|
|
|
//把xls文件中的数据写入Workbook中
|
|
|
|
|
|
Workbook = new HSSFWorkbook(file);
|
|
|
|
|
|
|
|
|
|
|
|
if (Workbook != null)
|
|
|
|
|
|
{
|
|
|
|
|
|
ISheet sheet = Workbook.GetSheetAt(0);//读取第一个sheet
|
|
|
|
|
|
System.Collections.IEnumerator rows = sheet.GetRowEnumerator();
|
|
|
|
|
|
//得到Excel工作表的行
|
|
|
|
|
|
IRow headerRow = sheet.GetRow(0);
|
|
|
|
|
|
//得到Excel工作表的总列数
|
|
|
|
|
|
int cellCount = headerRow.LastCellNum;
|
|
|
|
|
|
|
|
|
|
|
|
for (int j = 0; j < cellCount; j++)
|
|
|
|
|
|
{
|
|
|
|
|
|
//得到Excel工作表指定行的单元格
|
|
|
|
|
|
ICell cell = headerRow.GetCell(j);
|
|
|
|
|
|
dt.Columns.Add(cell.ToString());
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
for (int i = (sheet.FirstRowNum + 1); i <= sheet.LastRowNum; i++)
|
|
|
|
|
|
{
|
|
|
|
|
|
IRow row = sheet.GetRow(i);
|
|
|
|
|
|
DataRow dataRow = dt.NewRow();
|
|
|
|
|
|
|
|
|
|
|
|
for (int j = row.FirstCellNum; j < cellCount; j++)
|
|
|
|
|
|
{
|
|
|
|
|
|
if (row.GetCell(j) != null)
|
|
|
|
|
|
dataRow[j] = row.GetCell(j).ToString();
|
|
|
|
|
|
}
|
|
|
|
|
|
dt.Rows.Add(dataRow);
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
return dt;
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
catch (Exception)
|
|
|
|
|
|
{
|
|
|
|
|
|
if (file != null)
|
|
|
|
|
|
{
|
|
|
|
|
|
file.Close();//关闭当前流并释放资源
|
|
|
|
|
|
}
|
|
|
|
|
|
return null;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
#region 导出
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
/// DataSet导出excel，多个sheet
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
/// <param name="ds"></param>
|
|
|
|
|
|
/// <param name="Path"></param>
|
|
|
|
|
|
/// <returns></returns>
|
|
|
|
|
|
public static string DataSetToExcel(DataSet ds, string Path)
|
|
|
|
|
|
{
|
|
|
|
|
|
var result = string.Empty;
|
|
|
|
|
|
FileStream fs = null;
|
|
|
|
|
|
XSSFWorkbook workbook = new XSSFWorkbook();
|
|
|
|
|
|
for (int i = 0; i < ds.Tables.Count; i++)
|
|
|
|
|
|
{
|
|
|
|
|
|
XSSFSheet sheet = (XSSFSheet)workbook.CreateSheet(ds.Tables[i].TableName);
|
|
|
|
|
|
|
|
|
|
|
|
XSSFCellStyle dateStyle = (XSSFCellStyle)workbook.CreateCellStyle();
|
|
|
|
|
|
XSSFDataFormat format = (XSSFDataFormat)workbook.CreateDataFormat();
|
|
|
|
|
|
dateStyle.DataFormat = format.GetFormat("yyyy-mm-dd");
|
|
|
|
|
|
|
|
|
|
|
|
int rowIndex = 0;
|
|
|
|
|
|
|
|
|
|
|
|
#region 新建表，填充表头，填充列头，样式
|
|
|
|
|
|
if (rowIndex == 0)
|
|
|
|
|
|
{
|
|
|
|
|
|
//#region 列头及样式
|
|
|
|
|
|
//{
|
|
|
|
|
|
// XSSFRow headerRow = (XSSFRow)sheet.CreateRow(0);
|
|
|
|
|
|
// XSSFCellStyle headStyle = (XSSFCellStyle)workbook.CreateCellStyle();
|
|
|
|
|
|
// //headStyle.Alignment = CellHorizontalAlignment.CENTER;
|
|
|
|
|
|
// XSSFFont font = (XSSFFont)workbook.CreateFont();
|
|
|
|
|
|
// font.FontHeightInPoints = 10;
|
|
|
|
|
|
// font.Boldweight = 700;
|
|
|
|
|
|
// headStyle.SetFont(font);
|
|
|
|
|
|
//}
|
|
|
|
|
|
//#endregion
|
|
|
|
|
|
//填充表头
|
|
|
|
|
|
XSSFRow dataRow = (XSSFRow)sheet.CreateRow(rowIndex);
|
|
|
|
|
|
foreach (DataColumn column in ds.Tables[i].Columns)
|
|
|
|
|
|
{
|
|
|
|
|
|
dataRow.CreateCell(column.Ordinal).SetCellValue(column.ColumnName);
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
rowIndex = 1;
|
|
|
|
|
|
}
|
|
|
|
|
|
#endregion
|
|
|
|
|
|
|
|
|
|
|
|
foreach (DataRow row in ds.Tables[i].Rows)
|
|
|
|
|
|
{
|
|
|
|
|
|
XSSFRow dataRow = (XSSFRow)sheet.CreateRow(rowIndex);
|
|
|
|
|
|
|
|
|
|
|
|
#region 填充内容
|
|
|
|
|
|
foreach (DataColumn column in ds.Tables[i].Columns)
|
|
|
|
|
|
{
|
|
|
|
|
|
XSSFCell newCell = (XSSFCell)dataRow.CreateCell(column.Ordinal);
|
|
|
|
|
|
string type = row[column].GetType().FullName.ToString();
|
|
|
|
|
|
newCell.SetCellValue(GetValue(row[column].ToString(), type));
|
|
|
|
|
|
}
|
|
|
|
|
|
#endregion
|
|
|
|
|
|
|
|
|
|
|
|
rowIndex++;
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
using (fs = File.OpenWrite(Path))
|
|
|
|
|
|
{
|
|
|
|
|
|
workbook.Write(fs);//向打开的这个xls文件中写入数据
|
|
|
|
|
|
result = Path;
|
|
|
|
|
|
}
|
|
|
|
|
|
return result;
|
|
|
|
|
|
}
|
2023-07-24 16:47:13 +08:00
|
|
|
|
public static string DataSetToExcel(DataTable dt, string Path)
|
|
|
|
|
|
{
|
|
|
|
|
|
var result = string.Empty;
|
|
|
|
|
|
FileStream fs = null;
|
|
|
|
|
|
XSSFWorkbook workbook = new XSSFWorkbook();
|
2022-03-15 17:36:38 +08:00
|
|
|
|
|
2023-07-24 16:47:13 +08:00
|
|
|
|
|
|
|
|
|
|
XSSFSheet sheet = (XSSFSheet)workbook.CreateSheet(dt.TableName);
|
|
|
|
|
|
|
|
|
|
|
|
XSSFCellStyle dateStyle = (XSSFCellStyle)workbook.CreateCellStyle();
|
|
|
|
|
|
XSSFDataFormat format = (XSSFDataFormat)workbook.CreateDataFormat();
|
|
|
|
|
|
dateStyle.DataFormat = format.GetFormat("yyyy-mm-dd");
|
|
|
|
|
|
|
|
|
|
|
|
int rowIndex = 0;
|
|
|
|
|
|
|
|
|
|
|
|
#region 新建表，填充表头，填充列头，样式
|
|
|
|
|
|
if (rowIndex == 0)
|
|
|
|
|
|
{
|
|
|
|
|
|
//#region 列头及样式
|
|
|
|
|
|
//{
|
|
|
|
|
|
// XSSFRow headerRow = (XSSFRow)sheet.CreateRow(0);
|
|
|
|
|
|
// XSSFCellStyle headStyle = (XSSFCellStyle)workbook.CreateCellStyle();
|
|
|
|
|
|
// //headStyle.Alignment = CellHorizontalAlignment.CENTER;
|
|
|
|
|
|
// XSSFFont font = (XSSFFont)workbook.CreateFont();
|
|
|
|
|
|
// font.FontHeightInPoints = 10;
|
|
|
|
|
|
// font.Boldweight = 700;
|
|
|
|
|
|
// headStyle.SetFont(font);
|
|
|
|
|
|
//}
|
|
|
|
|
|
//#endregion
|
|
|
|
|
|
//填充表头
|
|
|
|
|
|
XSSFRow dataRow = (XSSFRow)sheet.CreateRow(rowIndex);
|
|
|
|
|
|
foreach (DataColumn column in dt.Columns)
|
|
|
|
|
|
{
|
|
|
|
|
|
dataRow.CreateCell(column.Ordinal).SetCellValue(column.ColumnName);
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
rowIndex = 1;
|
|
|
|
|
|
}
|
|
|
|
|
|
#endregion
|
|
|
|
|
|
|
|
|
|
|
|
foreach (DataRow row in dt.Rows)
|
|
|
|
|
|
{
|
|
|
|
|
|
XSSFRow dataRow = (XSSFRow)sheet.CreateRow(rowIndex);
|
|
|
|
|
|
|
|
|
|
|
|
#region 填充内容
|
|
|
|
|
|
foreach (DataColumn column in dt.Columns)
|
|
|
|
|
|
{
|
|
|
|
|
|
XSSFCell newCell = (XSSFCell)dataRow.CreateCell(column.Ordinal);
|
|
|
|
|
|
string type = row[column].GetType().FullName.ToString();
|
|
|
|
|
|
newCell.SetCellValue(GetValue(row[column].ToString(), type));
|
|
|
|
|
|
}
|
|
|
|
|
|
#endregion
|
|
|
|
|
|
|
|
|
|
|
|
rowIndex++;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
using (fs = File.OpenWrite(Path))
|
|
|
|
|
|
{
|
|
|
|
|
|
workbook.Write(fs);//向打开的这个xls文件中写入数据
|
|
|
|
|
|
result = Path;
|
|
|
|
|
|
}
|
|
|
|
|
|
return result;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
private static string GetValue(string cellValue, string type)
|
2022-03-15 17:36:38 +08:00
|
|
|
|
{
|
|
|
|
|
|
object value = string.Empty;
|
|
|
|
|
|
switch (type)
|
|
|
|
|
|
{
|
|
|
|
|
|
case "System.String"://字符串类型
|
|
|
|
|
|
value = cellValue;
|
|
|
|
|
|
break;
|
|
|
|
|
|
case "System.DateTime"://日期类型
|
|
|
|
|
|
System.DateTime dateV;
|
|
|
|
|
|
System.DateTime.TryParse(cellValue, out dateV);
|
|
|
|
|
|
value = dateV;
|
|
|
|
|
|
break;
|
|
|
|
|
|
case "System.Boolean"://布尔型
|
|
|
|
|
|
bool boolV = false;
|
|
|
|
|
|
bool.TryParse(cellValue, out boolV);
|
|
|
|
|
|
value = boolV;
|
|
|
|
|
|
break;
|
|
|
|
|
|
case "System.Int16"://整型
|
|
|
|
|
|
case "System.Int32":
|
|
|
|
|
|
case "System.Int64":
|
|
|
|
|
|
case "System.Byte":
|
|
|
|
|
|
int intV = 0;
|
|
|
|
|
|
int.TryParse(cellValue, out intV);
|
|
|
|
|
|
value = intV;
|
|
|
|
|
|
break;
|
|
|
|
|
|
case "System.Decimal"://浮点型
|
|
|
|
|
|
case "System.Double":
|
|
|
|
|
|
double doubV = 0;
|
|
|
|
|
|
double.TryParse(cellValue, out doubV);
|
|
|
|
|
|
value = doubV;
|
|
|
|
|
|
break;
|
|
|
|
|
|
case "System.DBNull"://空值处理
|
|
|
|
|
|
value = string.Empty;
|
|
|
|
|
|
break;
|
|
|
|
|
|
default:
|
|
|
|
|
|
value = string.Empty;
|
|
|
|
|
|
break;
|
|
|
|
|
|
}
|
|
|
|
|
|
return value.ToString();
|
|
|
|
|
|
}
|
|
|
|
|
|
#endregion
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
