我想要做的是使用数据集在工作簿中创建多个工作表。我用来从数据集创建工作表数据对象的代码如下:
public static SheetData CreateDataSheet(DataSet ds)
{
var xlSheetData = new SheetData();
if (ds.Tables.Count > 0 && ds.Tables[0].Rows.Count > 0)
{
var tbl = ds.Tables[0];
foreach (DataRow row in tbl.Rows)
{
var xlRow = new Row();
foreach (DataColumn col in tbl.Columns)
{
var cellData = row[col];
Cell xlCell = null;
if (cellData != null)
{
xlCell = new Cell(new InlineString(new Text(cellData.ToString())))
{
DataType = CellValues.InlineString
};
}
else
{
xlCell = new Cell(new InlineString(new Text(String.Empty)))
{
DataType = CellValues.InlineString
};
}
xlRow.Append(xlCell);
}
xlSheetData.Append(xlRow);
}
}
return xlSheetData;
}
然后,为了创建电子表格并将上述内容追加到电子表格中,我有以下代码:
public static void CreateSpreadsheetWorkbook(string filepath, List<SheetData> sd)
{
var spreadsheetDocument = SpreadsheetDocument.Create(filepath, SpreadsheetDocumentType.Workbook);
var workbookpart = spreadsheetDocument.AddWorkbookPart();
workbookpart.Workbook = new Workbook();
foreach (var x in sd)
{
var newWorksheetPart = spreadsheetDocument.WorkbookPart.AddNewPart<WorksheetPart>();
newWorksheetPart.Worksheet = new Worksheet(x);
var sheets = spreadsheetDocument.WorkbookPart.Workbook.AppendChild<Sheets>(new Sheets());
uint sheetId = 1;
if (sheets.Elements<Sheet>().Any())
{
sheetId = sheets.Elements<Sheet>().Select(s => s.SheetId.Value).Max() + 1;
}
var sheet = new Sheet() { Id = spreadsheetDocument.WorkbookPart.GetIdOfPart(newWorksheetPart), SheetId = sheetId, Name = "mySheet" + sheetId };
sheets.Append(sheet);
workbookpart.Workbook.Save();
}
spreadsheetDocument.Close();
}
这段代码没有任何错误,但是当我尝试打开文档时,由于文件已损坏而无法打开。
编辑 - 最终可用版本:
public static void CreateSpreadsheetWorkbook(string filepath, List<SheetData> sd)
{
var spreadsheetDocument = SpreadsheetDocument.Create(filepath, SpreadsheetDocumentType.Workbook);
var workbookpart = spreadsheetDocument.AddWorkbookPart();
workbookpart.Workbook = new Workbook();
var sheets = spreadsheetDocument.WorkbookPart.Workbook.AppendChild<Sheets>(new Sheets());
foreach (var x in sd)
{
var newWorksheetPart = spreadsheetDocument.WorkbookPart.AddNewPart<WorksheetPart>();
newWorksheetPart.Worksheet = new Worksheet(x);
sheets = spreadsheetDocument.WorkbookPart.Workbook.GetFirstChild<Sheets>();
uint sheetId = 1;
if (sheets.Elements<Sheet>().Any())
{
sheetId = sheets.Elements<Sheet>().Select(s => s.SheetId.Value).Max() + 1;
}
var sheet = new Sheet() { Id = spreadsheetDocument.WorkbookPart.GetIdOfPart(newWorksheetPart), SheetId = sheetId, Name = "mySheet" + sheetId };
sheets.Append(sheet);
workbookpart.Workbook.Save();
}
spreadsheetDocument.Close();
}
sheets.Append(sheet);
应更改为sheets.AppendChild(sheet);
。 - Tom Wuyts