/// <summary>
/// 导出期初模板
/// </summary>
/// <param name="dtSource"></param>
/// <param name="exportTemplateFilePath"></param>
/// <param name="fillRow"></param>
/// <param name="replaceCells"></param>
/// <returns></returns>
private static MemoryStream ExportOpeningTemplate(DataTable dtSource, string[] dropDowndtSource, string exportTemplateFilePath, int fillRow, int dropDownFillStartCell, int dropDownFillEndCell)
{
try
{
//打开Excle模板文件
IWorkbook workbook = null;
using (FileStream fileOne = new FileStream(exportTemplateFilePath, FileMode.Open, FileAccess.Read))
{
workbook = new XSSFWorkbook(fileOne); //获取第一个工作表
}
XSSFSheet sheet = (XSSFSheet)workbook.GetSheetAt(0); //获取第一个sheet
XSSFDataValidationHelper dvHelper = new XSSFDataValidationHelper(sheet);
XSSFDataValidationConstraint dvConstraint = (XSSFDataValidationConstraint)dvHelper
.CreateExplicitListConstraint(dropDowndtSource);
CellRangeAddressList addressList = new CellRangeAddressList(1, dtSource.Rows.Count, dropDownFillStartCell, dropDownFillEndCell);
XSSFDataValidation validation = (XSSFDataValidation)dvHelper.CreateValidation(dvConstraint, addressList);
sheet.AddValidationData(validation);
//格式日期
XSSFCellStyle dateStyle = workbook.CreateCellStyle() as XSSFCellStyle;
XSSFDataFormat format = workbook.CreateDataFormat() as XSSFDataFormat;
dateStyle.DataFormat = format.GetFormat("yyyy-MM-dd HH:mm:ss");
//格式数字
XSSFCellStyle decimelStyle = workbook.CreateCellStyle() as XSSFCellStyle;
XSSFDataFormat decimelformat = workbook.CreateDataFormat() as XSSFDataFormat;
decimelStyle.DataFormat = decimelformat.GetFormat("0.00####");
//单元格样式
ICellStyle style = workbook.CreateCellStyle();
//style.BorderBottom = BorderStyle.Thin;
//style.BorderLeft = BorderStyle.Thin;
//style.BorderRight = BorderStyle.Thin;
//style.BorderTop = BorderStyle.Thin;
int rowIndex = fillRow;
foreach (DataRow row in dtSource.Rows)
{
#region 填充内容
//sheet.ShiftRows(rowIndex, sheet.LastRowNum, 1, true, false);
XSSFRow dataRow = sheet.CreateRow(rowIndex) as XSSFRow;
foreach (DataColumn column in dtSource.Columns)
{
XSSFCell newCell = dataRow.CreateCell(column.Ordinal) as XSSFCell;
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
}
break;
case "System.Boolean": //布尔型
bool boolV = false;
bool.TryParse(drValue, out boolV);
newCell.SetCellValue(boolV);
break;
case "System.Int16": //整型
case "System.Int32":
case "System.Int64":
case "System.Byte":
int intV = 0;
int.TryParse(drValue, out intV);
newCell.SetCellValue(intV);
break;
case "System.Decimal": //浮点型
case "System.Double":
Double doubV = 0;
Double.TryParse(drValue, out doubV);
newCell.SetCellValue(doubV);
newCell.CellStyle = decimelStyle;
break;
case "System.DBNull": //空值处理
newCell.SetCellValue("");
break;
default:
newCell.SetCellValue("");
break;
}
newCell.CellStyle = style;
}
#endregion 填充内容
rowIndex++;
}
NpoiMemoryStream ms = new NpoiMemoryStream();
ms.AllowClose = false;
workbook.Write(ms);
ms.Flush();
ms.Position = 0;
ms.Seek(0, SeekOrigin.Begin);
ms.AllowClose = true;
return(ms);
}
catch (Exception ex)
{
throw ex;
}
}
private static MemoryStream ExportExcel2007(DataTable dtSource, string strHeaderText)
{
XSSFWorkbook workbook = new XSSFWorkbook();
XSSFSheet sheet = workbook.CreateSheet() as XSSFSheet;
//格式日期
XSSFCellStyle dateStyle = workbook.CreateCellStyle() as XSSFCellStyle;
XSSFDataFormat format = workbook.CreateDataFormat() as XSSFDataFormat;
dateStyle.DataFormat = format.GetFormat("yyyy-MM-dd HH:mm:ss");
//格式数字
XSSFCellStyle decimelStyle = workbook.CreateCellStyle() as XSSFCellStyle;
XSSFDataFormat decimelformat = workbook.CreateDataFormat() as XSSFDataFormat;
decimelStyle.DataFormat = decimelformat.GetFormat("0.00####");
// 取得列宽
int[] arrColWidth = new int[dtSource.Columns.Count];
foreach (DataColumn item in dtSource.Columns)
{
arrColWidth[item.Ordinal] = Encoding.GetEncoding(936).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(936).GetBytes(dtSource.Rows[i][j].ToString()).Length;
if (intTemp > arrColWidth[j])
{
arrColWidth[j] = intTemp;
}
}
}
int rowIndex = 0;
foreach (DataRow row in dtSource.Rows)
{
if (rowIndex == 1048576 || rowIndex == 0)
{
if (rowIndex != 0)
{
sheet = workbook.CreateSheet() as XSSFSheet;
}
#region 表头及样式
{
XSSFRow headerRow = sheet.CreateRow(0) as XSSFRow;
headerRow.HeightInPoints = 25;
headerRow.CreateCell(0).SetCellValue(strHeaderText);
XSSFCellStyle headStyle = workbook.CreateCellStyle() as XSSFCellStyle;
headStyle.Alignment = HorizontalAlignment.Center;
XSSFFont font = workbook.CreateFont() as XSSFFont;
font.FontHeightInPoints = 20;
font.Boldweight = 700;
headStyle.SetFont(font);
headerRow.GetCell(0).CellStyle = headStyle;
sheet.AddMergedRegion(new CellRangeAddress(0, 0, 0, dtSource.Columns.Count - 1));
}
#endregion 表头及样式
#region 列头及样式
{
XSSFRow headerRow = sheet.CreateRow(1) as XSSFRow;
XSSFCellStyle headStyle = workbook.CreateCellStyle() as XSSFCellStyle;
headStyle.Alignment = HorizontalAlignment.Center;
XSSFFont font = workbook.CreateFont() as XSSFFont;
font.FontHeightInPoints = 10;
font.Boldweight = 700;
headStyle.IsLocked = true;
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] > 255 ? 254 : arrColWidth[column.Ordinal] + 1) * 256);
}
//sheet.CreateFreezePane(0, 2, 0, dtSource.Columns.Count - 1);
}
rowIndex = 2;
#endregion 列头及样式
rowIndex = 2;
}
#region 填充内容
XSSFRow dataRow = sheet.CreateRow(rowIndex) as XSSFRow;
foreach (DataColumn column in dtSource.Columns)
{
XSSFCell newCell = dataRow.CreateCell(column.Ordinal) as XSSFCell;
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
}
break;
case "System.Boolean": //布尔型
bool boolV = false;
bool.TryParse(drValue, out boolV);
newCell.SetCellValue(boolV);
break;
case "System.Int16": //整型
case "System.Int32":
case "System.Int64":
case "System.Byte":
int intV = 0;
int.TryParse(drValue, out intV);
newCell.SetCellValue(intV);
break;
case "System.Decimal": //浮点型
case "System.Double":
Double doubV = 0;
Double.TryParse(drValue, out doubV);
newCell.SetCellValue(doubV);
newCell.CellStyle = decimelStyle;
break;
case "System.DBNull": //空值处理
newCell.SetCellValue("");
break;
default:
newCell.SetCellValue("");
break;
}
}
#endregion 填充内容
rowIndex++;
}
NpoiMemoryStream ms = new NpoiMemoryStream();
ms.AllowClose = false;
workbook.Write(ms);
ms.Flush();
ms.Position = 0;
ms.Seek(0, SeekOrigin.Begin);
ms.AllowClose = true;
return(ms);
}