我正在使用Microsoft Open XML SDK 2,我很难在单元格中插入日期。我可以通过设置Cell.DataType = CellValues.Number
插入数字而没有问题,但是当我使用日期(Cell.DataType = CellValues.Date
)执行相同的操作时,Excel 2010崩溃(2007年也是如此)。
我尝试将Cell.Text
值设置为多种日期格式以及Excel的日期/数字格式无济于事。我也尝试使用样式,删除type属性,以及我扔在墙上的许多其他比萨...
有人能指出我在工作表中插入日期的例子吗?
你必须使用函数DateTime
将double
转换为ToOADate
,即:
DateTime dtValue = DateTime.Now;
string strValue = dtValue.ToOADate().ToString(CultureInfo.InvariantCulture);
然后将其设置为CellValue
Cell cell;
cell.DataType = new EnumValue<CellValues>(CellValues.Date);
cell.CellValue = new CellValue(strValue);
请记住使用DateTime
格式化格式化单元格,否则您将看到double
值,而不是日期。
我使用了Andrew J提供的代码,但是DataType
CellValues.Date
为我生成了一个损坏的xlsx文件。
DataType
CellValues.Number
对我来说很好(别忘了设置NumberFormatId
):
cell.DataType = new EnumValue<CellValues>(CellValues.Number);
我的整个代码:
DateTime valueDate = DateTime.Now;
string valueString = valueDate.ToOADate().ToString();
CellValue cellValue = new CellValue(valueString);
Cell cell = new Cell();
cell.DataType = new EnumValue<CellValues>(CellValues.Number);
cell.StyleIndex = yourStyle; //StyleIndex of CellFormat cfBaseDate -> See below
cell.Append(cellValue);
样式表中此单元格的CellFormat如下所示:
CellFormat cfBaseDate = new CellFormat() {
ApplyNumberFormat = true,
NumberFormatId = 14, //14 is a localized short Date (d/m/yyyy) -> See list below
//Some further styling parameters
};
如果您想以另一种方式格式化日期,这里是所有默认Excel NumberFormatId
的列表
ID FORMAT CODE 0 General 1 0 2 0.00 3 #,##0 4 #,##0.00 9 0% 10 0.00% 11 0.00E+00 12 # ?/? 13 # ??/?? 14 d/m/yyyy 15 d-mmm-yy 16 d-mmm 17 mmm-yy 18 h:mm tt 19 h:mm:ss tt 20 H:mm 21 H:mm:ss 22 m/d/yyyy H:mm 37 #,##0 ;(#,##0) 38 #,##0 ;[Red](#,##0) 39 #,##0.00;(#,##0.00) 40 #,##0.00;[Red](#,##0.00) 45 mm:ss 46 [h]:mm:ss 47 mmss.0 48 ##0.0E+0 49 @
清单来源:https://github.com/ClosedXML/ClosedXML/wiki/NumberFormatId-Lookup-Table
我知道这个列表来自ClosedXML,但它在OpenXML中是相同的。
从头开始创建新的SpreadsheetDocument
时,要使Date
格式化工作,必须创建最小的Stylesheet
。
关键是那几行:
new CellFormat
{
NumberFormatId = 14,
ApplyNumberFormat = true
})
完整的Stylesheet
类:
using (var spreadSheet = SpreadsheetDocument.Create(ms, SpreadsheetDocumentType.Workbook))
{
// Workbook
var workbookPart = spreadSheet.AddWorkbookPart();
workbookPart.Workbook =
new Workbook(new Sheets(new Sheet { Name = "Sheet1", SheetId = (UInt32Value) 1U, Id = "rId1" }));
// Add minimal Stylesheet
var stylesPart = spreadSheet.WorkbookPart.AddNewPart<WorkbookStylesPart>();
stylesPart.Stylesheet = new Stylesheet
{
Fonts = new Fonts(new Font()),
Fills = new Fills(new Fill()),
Borders = new Borders(new Border()),
CellStyleFormats = new CellStyleFormats(new CellFormat()),
CellFormats =
new CellFormats(
new CellFormat(),
new CellFormat
{
NumberFormatId = 14,
ApplyNumberFormat = true
})
};
// Continue creating `WorksheetPart`...
添加Stylesheet
后,可以格式化DateTime
:
if (valueType == typeof(DateTime))
{
DateTime date = (DateTime)value;
cell.CellValue = new CellValue(date.ToOADate().ToString(CultureInfo.InvariantCulture));
// "StyleIndex" is "1", because "NumberFormatId=14"
// is in the 2nd item of `CellFormats` array.
cell.StyleIndex = 1;
}
请注意,StyleIndex
值取决于CellFormat
数组或CellFormats
对象中Stylesheet
项的顺序。在此示例中NumberFormatId = 14
项目在数组中的第二项。
有两种方法可以在OpenXml中存储日期;通过写一个数字(使用ToOADate
)并将DataType
设置为Number
或者写一个ISO 8601格式的日期并将DataType
设置为Date
。请注意,默认的DataType
是Number
,所以如果你选择第一个选项,则不必设置DataType
。
无论选择哪种方法,都需要设置样式,因为Excel会以相同的方式显示两种方法。以下代码显示了使用Number
格式(使用和不使用显式设置DataType
)和使用ISO 8601格式编写日期的示例。
using (SpreadsheetDocument document = SpreadsheetDocument.Create(filename, SpreadsheetDocumentType.Workbook))
{
//fluff to generate the workbook etc
WorkbookPart workbookPart = document.AddWorkbookPart();
workbookPart.Workbook = new Workbook();
var worksheetPart = workbookPart.AddNewPart<WorksheetPart>();
worksheetPart.Worksheet = new Worksheet();
Sheets sheets = workbookPart.Workbook.AppendChild(new Sheets());
Sheet sheet = new Sheet() { Id = workbookPart.GetIdOfPart(worksheetPart), SheetId = 1, Name = "Sheet" };
sheets.Append(sheet);
workbookPart.Workbook.Save();
var sheetData = worksheetPart.Worksheet.AppendChild(new SheetData());
//add the style
Stylesheet styleSheet = new Stylesheet();
CellFormat cf = new CellFormat();
cf.NumberFormatId = 14;
cf.ApplyNumberFormat = true;
CellFormats cfs = new CellFormats();
cfs.Append(cf);
styleSheet.CellFormats = cfs;
styleSheet.Borders = new Borders();
styleSheet.Borders.Append(new Border());
styleSheet.Fills = new Fills();
styleSheet.Fills.Append(new Fill());
styleSheet.Fonts = new Fonts();
styleSheet.Fonts.Append(new Font());
workbookPart.AddNewPart<WorkbookStylesPart>();
workbookPart.WorkbookStylesPart.Stylesheet = styleSheet;
CellStyles css = new CellStyles();
CellStyle cs = new CellStyle();
cs.FormatId = 0;
cs.BuiltinId = 0;
css.Append(cs);
css.Count = UInt32Value.FromUInt32((uint)css.ChildElements.Count);
styleSheet.Append(css);
Row row = new Row();
DateTime date = new DateTime(2017, 6, 24);
/*** Date code here ***/
//write an OADate with type of Number
Cell cell1 = new Cell();
cell1.CellReference = "A1";
cell1.CellValue = new CellValue(date.ToOADate().ToString());
cell1.DataType = new EnumValue<CellValues>(CellValues.Number);
cell1.StyleIndex = 0;
row.Append(cell1);
//write an OADate with no type (defaults to Number)
Cell cell2 = new Cell();
cell2.CellReference = "B1";
cell2.CellValue = new CellValue(date.ToOADate().ToString());
cell1.StyleIndex = 0;
row.Append(cell2);
//write an ISO 8601 date with type of Date
Cell cell3 = new Cell();
cell3.CellReference = "C1";
cell3.CellValue = new CellValue(date.ToString("yyyy-MM-dd"));
cell3.DataType = new EnumValue<CellValues>(CellValues.Date);
cell1.StyleIndex = 0;
row.Append(cell3);
sheetData.AppendChild(row);
worksheetPart.Worksheet.Save();
}
使用共享字符串:
// assuming it's the first item in the shared string table
SharedStringItem sharedStringItem = new SharedStringItem();
Text text = new Text();
text.Text = DateTime.Today.ToString("MM/dd/yyyy hh:mm");
sharedStringTable1.Append(sharedStringItem);
然后在代码中:
// assuming it's the first item in the shared string table
var cell = new Cell {CellReference = "A1", DataType = CellValues.SharedString};
var cellValue = new CellValue("0");
cell.Append(cellValue);
以下为我们工作:
c.CellValue = new CellValue(datetimeValue).ToOADate().ToString());
c.DataType = CellValues.Number;
c.StyleIndex = StyleDate;
将DataType设置为CellValues.Number,然后确保使用CellFormats中的相应样式索引格式化单元格。在我们的例子中,我们在工作表中构建样式表,StyleDate是样式表中CellFormats的索引。
a)与Excel 2007,Excel 2007 Viewer等兼容.b)1.1.1900之前的DateTime以字符串形式写入。
DateTime dat = (DateTime)dr[dc.ColumnName];
//Not working with Excel 2007
//cell.DataType = CellValues.Date;
//cell.CellValue = new CellValue(dat.ToString("s"));
double diff = (dat - new DateTime(1899, 12, 30)).TotalSeconds / 86400.0;
if (diff > 1)
{
cell.DataType = CellValues.Number;
cell.CellValue = new CellValue(diff.ToString().Replace(",", "."));
if (dat.TimeOfDay == new TimeSpan(0))
{
cell.StyleIndex = 2; //Custom Style NumberFormatId = 14 ( d/m/yyyy)
}
else
{
cell.StyleIndex = 1; //Custom Style NumberFormatId = 22 (m/d/yyyy H:mm)
}
}
else
{
cell.DataType = CellValues.String;
cell.CellValue = new CellValue(dat.ToString());
}