public ExlsSheetData ReadSpreadSheetDoc(Stream stream, int sheetIndex, int startRowIndex)
{
ExlsSheetData result = new ExlsSheetData();
using (SpreadsheetDocument spreadsheetDocument = SpreadsheetDocument.Open(stream, false))
{
WorkbookPart workbookPart = spreadsheetDocument.WorkbookPart;
var theSheet = workbookPart.Workbook.Sheets.ElementAt(sheetIndex) as Sheet;
var workSheetPart = workbookPart.GetPartById(theSheet.Id) as WorksheetPart;
string cellValue = string.Empty;
uint rowIndex = 1;
var lstDataRows = new List <SheetRowItem>();
var rows = workSheetPart.Worksheet.Descendants <Row>();
if (rows.Count() >= startRowIndex)
{
foreach (Row r in rows.Skip(startRowIndex - 1))
{
var lstDataItems = new List <SheetCellItem>();
uint colIndex = 0;
foreach (Cell theCell in r.Elements <Cell>())
{
if (theCell.InnerText.Length > 0)
{
cellValue = GetCellValue(workbookPart, theCell);
}
else
{
cellValue = string.Empty;
}
var realIndex = CellReferenceToIndex(theCell);
if (colIndex < realIndex)
{
while (colIndex < realIndex)
{
lstDataItems.Add(new SheetCellItem {
ColIndex = ++colIndex, Data = string.Empty, DataType = DataTypes.String
});
}
} //empty cell was skpipped
lstDataItems.Add(new SheetCellItem {
ColIndex = ++colIndex, Data = cellValue, DataType = DataTypes.String
});
}
lstDataRows.Add(new SheetRowItem(lstDataItems, rowIndex));
rowIndex++;
}
}
result.SheetRows = lstDataRows;
}
return(result);
}
/// <summary>
/// 生成多个sheet的Excel文件
/// </summary>
/// <param name="dataItems"></param>
/// <param name="shNames">sheet name</param>
/// <param name="filename">生成的excel文件名(包含路径)</param>
/// <param name="doMerge">true: 存在合并单元格/false: 不存在合并单元格</param>
/// <param name="customFormat">true: 有自定义样式/false: 没有自定义样式</param>
public void GenerateXlsxFile(List <BaseSheetData> exlsSheetData, string[] shNames, string filename, bool doMerge = false, bool customFormat = false)
{
using (SpreadsheetDocument spreadsheetDoc = SpreadsheetDocument.Create(filename, SpreadsheetDocumentType.Workbook))
{
WorkbookPart workbookPart = spreadsheetDoc.AddWorkbookPart();
workbookPart.Workbook = new Workbook();
Sheets sheets = spreadsheetDoc.WorkbookPart.Workbook.AppendChild(new Sheets());
SharedStringTablePart tbpart = null;
var stylePart = workbookPart.AddNewPart <WorkbookStylesPart>();
List <SheetCellItem> allCells = new List <SheetCellItem>();
for (uint i = 0; i < exlsSheetData.Count; i++)
{
ExlsSheetData xlsxSheetData = exlsSheetData[(int)i] as ExlsSheetData;
if (xlsxSheetData != null)
{
allCells.AddRange(xlsxSheetData.AllCells);
}
}
if (allCells.Any())
{
if (customFormat)
{
stylePart.Stylesheet = GenerateStylesheet(allCells);
}
else
{
stylePart.Stylesheet = DefaultStylesheet(); //GenerateDefaultStylesheet(allCells);
}
stylePart.Stylesheet.Save();
}
if (allCells.Any(x => x.DataType == DataTypes.SharedString))
{
tbpart = workbookPart.AddNewPart <SharedStringTablePart>();
}
for (uint i = 0; i < exlsSheetData.Count; i++)
{
WorksheetPart worksheetPart = workbookPart.AddNewPart <WorksheetPart>();
ExlsSheetData xlsxSheetData = exlsSheetData[(int)i] as ExlsSheetData;
if (xlsxSheetData != null)
{
worksheetPart.Worksheet = new Worksheet();
if (customFormat)
{
var cols = GenerateColumns(xlsxSheetData.AllCells);
if (cols != null)
{
worksheetPart.Worksheet.Append(cols);
}
}
else
{
foreach (var c in xlsxSheetData.AllCells)
{
c.FormatIndex = c.RowIndex.Equals(1) ? 1u : 2u;
}
}
worksheetPart.Worksheet.Append(CreateSheetData(xlsxSheetData.SheetRows, tbpart));
if (doMerge)
{
DoMerge(xlsxSheetData.AllCells, worksheetPart.Worksheet);
}
}
UInt32Value id = UInt32Value.FromUInt32(i + 1);
Sheet sheet = new Sheet {
Id = spreadsheetDoc.WorkbookPart.GetIdOfPart(worksheetPart), SheetId = id, Name = shNames[i]
};
sheets.AppendChild(sheet);
}
workbookPart.Workbook.Save();
}
}