我正在使用open xml创建.xlsx文件。当我尝试读取使用openxml创建的同一文件时，无法正确识别。如果我再次保存我的文件并尝试阅读它，问题就会消失，所以我认为它可能与我创建文件的方式有关。任何建议，将不胜感激。这是我用来生成文件的代码。
public void CreatePackage(string filePath)
{
using (SpreadsheetDocument package = SpreadsheetDocument.Create(filePath, SpreadsheetDocumentType.Workbook))
{
CreateParts(package);
}
}
public void CreatePackage(MemoryStream mStream)
{
using (SpreadsheetDocument package = SpreadsheetDocument.Create(mStream, SpreadsheetDocumentType.Workbook))
{
CreateParts(package);
}
}
// Adds child parts and generates content of the specified part.
private void CreateParts(SpreadsheetDocument document)
{
ExtendedFilePropertiesPart extendedFilePropertiesPart1 = document.AddNewPart<ExtendedFilePropertiesPart>("rId3");
GenerateExtendedFilePropertiesPart1Content(extendedFilePropertiesPart1);
WorkbookPart workbookPart1 = document.AddWorkbookPart();
GenerateWorkbookPart1Content(workbookPart1);
WorksheetPart worksheetPart1 = workbookPart1.AddNewPart<WorksheetPart>("rId3");
GenerateWorksheetPart1Content(worksheetPart1);
WorksheetPart worksheetPart2 = workbookPart1.AddNewPart<WorksheetPart>("rId2");
GenerateWorksheetPart2Content(worksheetPart2);
WorksheetPart worksheetPart3 = workbookPart1.AddNewPart<WorksheetPart>("rId1");
GenerateWorksheetPart3Content(worksheetPart3);
SpreadsheetPrinterSettingsPart spreadsheetPrinterSettingsPart1 = worksheetPart3.AddNewPart<SpreadsheetPrinterSettingsPart>("rId1");
GenerateSpreadsheetPrinterSettingsPart1Content(spreadsheetPrinterSettingsPart1);
WorkbookStylesPart workbookStylesPart1 = workbookPart1.AddNewPart<WorkbookStylesPart>("rId5");
GenerateWorkbookStylesPart1Content(workbookStylesPart1);
//ThemePart themePart1 = workbookPart1.AddNewPart<ThemePart>("rId4");
//GenerateThemePart1Content(themePart1);
SetPackageProperties(document);
}
// Generates content of extendedFilePropertiesPart1.
private void GenerateExtendedFilePropertiesPart1Content(ExtendedFilePropertiesPart extendedFilePropertiesPart1)
{
Ap.Properties properties1 = new Ap.Properties();
properties1.AddNamespaceDeclaration("vt", "http://schemas.openxmlformats.org/officeDocument/2006/docPropsVTypes");
Ap.Application application1 = new Ap.Application();
application1.Text = "Microsoft Excel";
Ap.DocumentSecurity documentSecurity1 = new Ap.DocumentSecurity();
documentSecurity1.Text = "0";
Ap.ScaleCrop scaleCrop1 = new Ap.ScaleCrop();
scaleCrop1.Text = "false";
Ap.HeadingPairs headingPairs1 = new Ap.HeadingPairs();
Vt.VTVector vTVector1 = new Vt.VTVector() { BaseType = Vt.VectorBaseValues.Variant, Size = (UInt32Value)2U };
Vt.Variant variant1 = new Vt.Variant();
Vt.VTLPSTR vTLPSTR1 = new Vt.VTLPSTR();
vTLPSTR1.Text = "Worksheets";
variant1.Append(vTLPSTR1);
Vt.Variant variant2 = new Vt.Variant();
Vt.VTInt32 vTInt321 = new Vt.VTInt32();
vTInt321.Text = "3";
variant2.Append(vTInt321);
vTVector1.Append(variant1);
vTVector1.Append(variant2);
headingPairs1.Append(vTVector1);
Ap.TitlesOfParts titlesOfParts1 = new Ap.TitlesOfParts();
Vt.VTVector vTVector2 = new Vt.VTVector() { BaseType = Vt.VectorBaseValues.Lpstr, Size = (UInt32Value)3U };
Vt.VTLPSTR vTLPSTR2 = new Vt.VTLPSTR();
vTLPSTR2.Text = "Sheet1";
Vt.VTLPSTR vTLPSTR3 = new Vt.VTLPSTR();
vTLPSTR3.Text = "Sheet2";
Vt.VTLPSTR vTLPSTR4 = new Vt.VTLPSTR();
vTLPSTR4.Text = "Sheet3";
vTVector2.Append(vTLPSTR2);
vTVector2.Append(vTLPSTR3);
vTVector2.Append(vTLPSTR4);
titlesOfParts1.Append(vTVector2);
Ap.Company company1 = new Ap.Company();
company1.Text = "PricewaterhouseCoopers";
Ap.LinksUpToDate linksUpToDate1 = new Ap.LinksUpToDate();
linksUpToDate1.Text = "false";
Ap.SharedDocument sharedDocument1 = new Ap.SharedDocument();
sharedDocument1.Text = "false";
Ap.HyperlinksChanged hyperlinksChanged1 = new Ap.HyperlinksChanged();
hyperlinksChanged1.Text = "false";
Ap.ApplicationVersion applicationVersion1 = new Ap.ApplicationVersion();
applicationVersion1.Text = "12.0000";
properties1.Append(application1);
properties1.Append(documentSecurity1);
properties1.Append(scaleCrop1);
properties1.Append(headingPairs1);
properties1.Append(titlesOfParts1);
properties1.Append(company1);
properties1.Append(linksUpToDate1);
properties1.Append(sharedDocument1);
properties1.Append(hyperlinksChanged1);
properties1.Append(applicationVersion1);
extendedFilePropertiesPart1.Properties = properties1;
}
// Generates content of workbookPart1.
private void GenerateWorkbookPart1Content(WorkbookPart workbookPart1)
{
Workbook workbook1 = new Workbook();
workbook1.AddNamespaceDeclaration("r", "http://schemas.openxmlformats.org/officeDocument/2006/relationships");
FileVersion fileVersion1 = new FileVersion() { ApplicationName = "xl", LastEdited = "4", LowestEdited = "4", BuildVersion = "4506" };
WorkbookProperties workbookProperties1 = new WorkbookProperties();
BookViews bookViews1 = new BookViews();
WorkbookView workbookView1 = new WorkbookView() { XWindow = 120, YWindow = 60, WindowWidth = (UInt32Value)15255U, WindowHeight = (UInt32Value)8160U };
bookViews1.Append(workbookView1);
//new line
//workbook1.Append(new BookViews(new WorkbookView()));
workbook1.Append(bookViews1);
Sheets sheets1 = new Sheets();
Sheet sheet1 = new Sheet() { Name = "Sheet1", SheetId = (UInt32Value)1U, Id = "rId1" };
Sheet sheet2 = new Sheet() { Name = "Sheet2", SheetId = (UInt32Value)2U, Id = "rId2" };
Sheet sheet3 = new Sheet() { Name = "Sheet3", SheetId = (UInt32Value)3U, Id = "rId3" };
sheets1.Append(sheet1);
sheets1.Append(sheet2);
sheets1.Append(sheet3);
CalculationProperties calculationProperties1 = new CalculationProperties() { CalculationId = (UInt32Value)125725U };
workbook1.Append(fileVersion1);
workbook1.Append(workbookProperties1);
workbook1.Append(sheets1);
workbook1.Append(calculationProperties1);
workbookPart1.Workbook = workbook1;
}
// Generates content of worksheetPart1.
private void GenerateWorksheetPart1Content(WorksheetPart worksheetPart1)
{
Worksheet worksheet1 = new Worksheet();
worksheet1.AddNamespaceDeclaration("r", "http://schemas.openxmlformats.org/officeDocument/2006/relationships");
SheetDimension sheetDimension1 = new SheetDimension() { Reference = "A1" };
SheetViews sheetViews1 = new SheetViews();
SheetView sheetView1 = new SheetView() { WorkbookViewId = (UInt32Value)0U };
sheetViews1.Append(sheetView1);
SheetFormatProperties sheetFormatProperties1 = new SheetFormatProperties() { DefaultRowHeight = 12.75D };
SheetData sheetData1 = new SheetData();
PageMargins pageMargins1 = new PageMargins() { Left = 0.7D, Right = 0.7D, Top = 0.75D, Bottom = 0.75D, Header = 0.3D, Footer = 0.3D };
worksheet1.Append(sheetDimension1);
worksheet1.Append(sheetViews1);
worksheet1.Append(sheetFormatProperties1);
worksheet1.Append(sheetData1);
worksheet1.Append(pageMargins1);
worksheetPart1.Worksheet = worksheet1;
}
// Generates content of worksheetPart2.
private void GenerateWorksheetPart2Content(WorksheetPart worksheetPart2)
{
Worksheet worksheet2 = new Worksheet();
worksheet2.AddNamespaceDeclaration("r", "http://schemas.openxmlformats.org/officeDocument/2006/relationships");
SheetDimension sheetDimension2 = new SheetDimension() { Reference = "A1" };
SheetViews sheetViews2 = new SheetViews();
SheetView sheetView2 = new SheetView() { WorkbookViewId = (UInt32Value)0U };
sheetViews2.Append(sheetView2);
SheetFormatProperties sheetFormatProperties2 = new SheetFormatProperties() { DefaultRowHeight = 12.75D };
SheetData sheetData2 = new SheetData();
PageMargins pageMargins2 = new PageMargins() { Left = 0.7D, Right = 0.7D, Top = 0.75D, Bottom = 0.75D, Header = 0.3D, Footer = 0.3D };
worksheet2.Append(sheetDimension2);
worksheet2.Append(sheetViews2);
worksheet2.Append(sheetFormatProperties2);
worksheet2.Append(sheetData2);
worksheet2.Append(pageMargins2);
worksheetPart2.Worksheet = worksheet2;
}
private void GenerateWorksheetPart3Content(WorksheetPart worksheetPart3)
{
Worksheet worksheet3 = new Worksheet();
worksheet3.AddNamespaceDeclaration("r", "http://schemas.openxmlformats.org/officeDocument/2006/relationships");
SheetDimension sheetDimension3 = new SheetDimension() { Reference = "A1" };
SheetViews sheetViews3 = new SheetViews();
SheetView sheetView3 = new SheetView() { TabSelected = true, WorkbookViewId = (UInt32Value)0U };
sheetViews3.Append(sheetView3);
SheetFormatProperties sheetFormatProperties3 = new SheetFormatProperties() { DefaultRowHeight = 12.75D };
Columns columns1 = new Columns();
Column column1 = new Column() { Min = (UInt32Value)1U, Max = (UInt32Value)52U, Width = 20.7109375D, CustomWidth = true };
columns1.Append(column1);
SheetData sheetData3 = new SheetData();
Row row1 = new Row() { RowIndex = (UInt32Value)1U, Spans = new ListValue<StringValue>() { InnerText = "1:1" } };
Cell cell1 = new Cell() { CellReference = "A1", StyleIndex = (UInt32Value)1U };
row1.Append(cell1);
sheetData3.Append(row1);
/*
Row row2 = new Row() { RowIndex = (UInt32Value)2U, Spans = new ListValue<StringValue>() { InnerText = "1:1" } };
Cell cell2 = new Cell() { CellReference = "B2", StyleIndex = (UInt32Value)1U };
row2.Append(cell2);
sheetData3.Append(row2);
Row row3 = new Row() { RowIndex = (UInt32Value)3U, Spans = new ListValue<StringValue>() { InnerText = "1:1" } };
Cell cell3 = new Cell() { CellReference = "C3", StyleIndex = (UInt32Value)2U };
row3.Append(cell3);
sheetData3.Append(row3);
*/
PageMargins pageMargins3 = new PageMargins() { Left = 0.7D, Right = 0.7D, Top = 0.75D, Bottom = 0.75D, Header = 0.3D, Footer = 0.3D };
PageSetup pageSetup1 = new PageSetup() { Orientation = OrientationValues.Portrait, Id = "rId1" };
worksheet3.Append(sheetDimension3);
worksheet3.Append(sheetViews3);
worksheet3.Append(sheetFormatProperties3);
worksheet3.Append(columns1);
worksheet3.Append(sheetData3);
worksheet3.Append(pageMargins3);
worksheet3.Append(pageSetup1);
worksheetPart3.Worksheet = worksheet3;
}
// Generates content of worksheetPart3.
private void GenerateWorksheetPart3ContentNew(WorksheetPart worksheetPart3)
{
Worksheet worksheet3 = new Worksheet();
worksheet3.AddNamespaceDeclaration("r", "http://schemas.openxmlformats.org/officeDocument/2006/relationships");
SheetDimension sheetDimension3 = new SheetDimension() { Reference = "A1" };
SheetViews sheetViews3 = new SheetViews();
SheetView sheetView3 = new SheetView() { TabSelected = true, WorkbookViewId = (UInt32Value)0U };
sheetViews3.Append(sheetView3);
SheetFormatProperties sheetFormatProperties3 = new SheetFormatProperties() { DefaultRowHeight = 12.75D };
Columns columns1 = new Columns();
Column column1 = new Column() { Min = (UInt32Value)1U, Max = (UInt32Value)52U, Width = 20.7109375D, CustomWidth = true };
columns1.Append(column1);
string[] cellname = new string[] { "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z" };
SheetData sheetData3 = new SheetData();
int counter = 1;
Row row1 = new Row() { RowIndex = (UInt32Value)1U, Spans = new ListValue<StringValue>() { InnerText = "1:1" } };
Cell cell1 = new Cell() { CellReference = "A1", StyleIndex = (UInt32Value)1U };
row1.Append(cell1);
sheetData3.Append(row1);
/*
int counter = 1;
Row row1 = new Row() { RowIndex = (UInt32Value)1U, Spans = new ListValue<StringValue>() { InnerText = "1:1" } };
foreach (string cell in cellname)
{
string cellId = cell + counter;
Cell cell1 = new Cell() { CellReference = cellId, StyleIndex = (UInt32Value)1U };
row1.Append(cell1);
}
sheetData3.Append(row1);
*/
/*
Row row1 = new Row() { RowIndex = (UInt32Value)1U, Spans = new ListValue<StringValue>() { InnerText = "1:1" } };
string[] cellname = new string[] { "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z" };
Cell cell1 = new Cell() { CellReference = "A1", StyleIndex = (UInt32Value)2U };
row1.Append(cell1);
Cell cell12 = new Cell() { CellReference = "B1", StyleIndex = (UInt32Value)2U };
row1.Append(cell12);
Cell cell13 = new Cell() { CellReference = "C1", StyleIndex = (UInt32Value)2U };
row1.Append(cell13);
//Cell cell21 = new Cell() { CellReference = "A2", StyleIndex = (UInt32Value)2U };
//Cell cell31 = new Cell() { CellReference = "A3", StyleIndex = (UInt32Value)2U };
//Cell cell41 = new Cell() { CellReference = "A4", StyleIndex = (UInt32Value)2U };
//row1.StyleIndex = (UInt32Value)2U;
//row1.Append(cell21);
//row1.Append(cell31);
//row1.Append(cell41);
sheetData3.Append(row1);
*/
counter = 2;
Row row2 = new Row() { RowIndex = (UInt32Value)2U, Spans = new ListValue<StringValue>() { InnerText = "1:1" } };
Cell cell2 = new Cell() { CellReference = "B2", StyleIndex = (UInt32Value)1U };
row2.Append(cell2);
sheetData3.Append(row2);
counter = 3;
Row row3 = new Row() { RowIndex = (UInt32Value)3U, Spans = new ListValue<StringValue>() { InnerText = "1:1" } };
Cell cell3 = new Cell() { CellReference = "C3", StyleIndex = (UInt32Value)2U };
row3.Append(cell3);
sheetData3.Append(row3);
counter = 4;
Row row4 = new Row() { RowIndex = (UInt32Value)4U, Spans = new ListValue<StringValue>() { InnerText = "1:1" } };
Cell cell4 = new Cell() { CellReference = "D4", StyleIndex = (UInt32Value)2U };
row4.Append(cell4);
sheetData3.Append(row4);
counter = 5;
Row row5 = new Row() { RowIndex = (UInt32Value)5U, Spans = new ListValue<StringValue>() { InnerText = "1:1" } };
foreach (string cell in cellname)
{
string cellId = cell + counter;
Cell cell5 = new Cell() { CellReference = cellId, StyleIndex = (UInt32Value)2U };
row5.Append(cell5);
}
sheetData3.Append(row5);
counter = 6;
Row row6 = new Row() { RowIndex = (UInt32Value)6U, Spans = new ListValue<StringValue>() { InnerText = "1:1" } };
Cell cell6 = new Cell() { CellReference = "F6", StyleIndex = (UInt32Value)1U };
row6.Append(cell6);
sheetData3.Append(row6);
counter = 7;
Row row7 = new Row() { RowIndex = (UInt32Value)7U, Spans = new ListValue<StringValue>() { InnerText = "1:1" } };
Cell cell7 = new Cell() { CellReference = "G7", StyleIndex = (UInt32Value)1U };
row7.Append(cell7);
sheetData3.Append(row7);
PageMargins pageMargins3 = new PageMargins() { Left = 0.7D, Right = 0.7D, Top = 0.75D, Bottom = 0.75D, Header = 0.3D, Footer = 0.3D };
PageSetup pageSetup1 = new PageSetup() { Orientation = OrientationValues.Portrait, Id = "rId1" };
worksheet3.Append(sheetDimension3);
worksheet3.Append(sheetViews3);
worksheet3.Append(sheetFormatProperties3);
worksheet3.Append(columns1);
worksheet3.Append(sheetData3);
worksheet3.Append(pageMargins3);
worksheet3.Append(pageSetup1);
worksheetPart3.Worksheet = worksheet3;
}
以下是我用于阅读excel文件的代码
public static DataTable ExtractExcelToDataTable(Stream filename)
{
DataTable dt = new DataTable();
string value = string.Empty;
//MemoryStream stream = new MemoryStream();
//stream.Write(filename1, 0, filename1.Length);
try
{
using (SpreadsheetDocument spreadSheetDocument = SpreadsheetDocument.Open(filename, false))
//using (SpreadsheetDocument spreadSheetDocument = SpreadsheetDocument.Open(stream, false))
{
/*
WorkbookPart workbookPart = spreadSheetDocument.WorkbookPart;
IEnumerable<Sheet> sheets = spreadSheetDocument.WorkbookPart.Workbook.GetFirstChild<Sheets>().Elements<Sheet>();
string relationshipId = sheets.First().Id.Value;
WorksheetPart worksheetPart = (WorksheetPart)spreadSheetDocument.WorkbookPart.GetPartById(relationshipId);
Worksheet workSheet = worksheetPart.Worksheet;
*/
WorkbookPart workbook = spreadSheetDocument.WorkbookPart;
//create a reference to Sheet1
WorksheetPart workSheet = workbook.WorksheetParts.Last();
SheetData sheetData = workSheet.Worksheet.GetFirstChild<SheetData>();
//SheetData sheetData = workSheet.GetFirstChild<SheetData>();
IEnumerable<Row> rows = sheetData.Descendants<Row>();
int RowIndex = 0;
foreach (var row in rows)
{
//Create the data table header row ie columns using first excel row.
if (RowIndex == 0)
{
//CreateColumnsFromHeaderRow(row, dt);
foreach (Cell cell in rows.ElementAt(0))
{
dt.Columns.Add(GetCellValue(spreadSheetDocument, cell));
}
RowIndex++;
}
else
{
//From second row of excel onwards, add data rows to data table.
IEnumerable<Cell> cells = GetCellsFromRowIncludingEmptyCells(row);
DataRow newDataRow = dt.NewRow();
int columnCount = 0;
foreach (Cell currentCell in cells)
{
value = GetCellValue(spreadSheetDocument, currentCell);
//There are empty headers which are not added to data table columns. So avoid those.
if (columnCount < dt.Columns.Count)
{
newDataRow[columnCount++] = value;
}
}
dt.Rows.Add(newDataRow);
}
}
//dt.Rows.RemoveAt(0);
//remove empty rows
//DataTable filteredDataTable = (dt.Rows.Cast<DataRow>().Where(row => row.ItemArray.Any(field => !(field is DBNull)))).CopyToDataTable<DataRow>();
DataTable filteredDataTable = new DataTable();
if (dt != null && dt.Rows.Count > 0)
{
filteredDataTable = (dt.Rows.Cast<DataRow>().Where(row => row.ItemArray.Any(field => (field.ToString() != string.Empty && field != null)))).CopyToDataTable<DataRow>();
}
return filteredDataTable;
}
}
catch (Exception ex)
{
throw ex;
}
}
public static string GetCellValue(SpreadsheetDocument document, Cell cell)
{
SharedStringTablePart stringTablePart = document.WorkbookPart.SharedStringTablePart;
string value = string.Empty;
if (cell != null)
{
if (cell.CellValue != null)
{
value = cell.CellValue.InnerXml;
if (cell.DataType != null && cell.DataType.Value == CellValues.SharedString)
{
value = stringTablePart.SharedStringTable.ChildElements[Int32.Parse(value)].InnerText;
//Remove new line character
value = value.Replace("\n", "").Trim();
}
}
}
return value;
}