OpenXML自定义列宽不起作用

Question

我正在尝试更改一些excel列的宽度.我已经尝试了所有的东西,但我一直在获取空的excel文档,我的excel文件工作正常,没有添加:

Columns columns = new Columns();

columns.Append(new Column() { Min = 1, Max = 3, Width = 20, CustomWidth = true });
columns.Append(new Column() { Min = 4, Max = 4, Width = 30, CustomWidth = true });

wsPart.Worksheet.Append(columns);

但是一旦我像这个用户建议那样添加它,我就必须修复我的excel文件,它将是空的.我收到此错误:"替换部分:/xl/worksheets/sheet.xml部分出现XML错误.加载错误.第1行,第0列".并且'修复'文件是空的.

我的代码与MSDN示例中的代码基本相同

我尝试了很多不同的方法来改变列宽,所以我认为问题出在其他地方.我似乎无法弄清楚出了什么问题.

编辑:完整的代码

_document = SpreadsheetDocument.Create(newFileName, SpreadsheetDocumentType.Workbook);

_workbookPart = _document.AddWorkbookPart();
_workbookPart.Workbook = new Workbook();

WorksheetPart worksheetPart = _workbookPart.AddNewPart<WorksheetPart>();
worksheetPart.Worksheet = new Worksheet(new SheetViews(new SheetView { WorkbookViewId = 0, ShowGridLines = new BooleanValue(false) }), new SheetData());

_document.WorkbookPart.Workbook.AppendChild(new Sheets());

Sheet sheet = new Sheet { Id = _document.WorkbookPart.GetIdOfPart(worksheetPart), SheetId = 1, Name = "Sheet1" };
_workbookPart.Workbook.Sheets.Append(sheet);


WorkbookStylesPart stylesPart = _workbookPart.AddNewPart<WorkbookStylesPart>();
stylesPart.Stylesheet = CreateStylesheet();
stylesPart.Stylesheet.Save();

Columns columns = new Columns();

columns.Append(new Column() { Min = 1, Max = 3, Width = 20, CustomWidth = true });
columns.Append(new Column() { Min = 4, Max = 4, Width = 30, CustomWidth = true });

worksheetPart.Worksheet.Append(columns);

_sheetData = worksheetPart.Worksheet.GetFirstChild<SheetData>();

Answer 1

元素的顺序略有不同.本Columns应放在前的SheetData,而不是之后.Worksheet的XML模式的相关部分是:

<xsd:complexType name="CT_Worksheet">
    <xsd:sequence>
    <xsd:element name="sheetPr" type="CT_SheetPr" minOccurs="0" maxOccurs="1"/>
    <xsd:element name="dimension" type="CT_SheetDimension" minOccurs="0" maxOccurs="1"/>
    <xsd:element name="sheetViews" type="CT_SheetViews" minOccurs="0" maxOccurs="1"/>
    <xsd:element name="sheetFormatPr" type="CT_SheetFormatPr" minOccurs="0" maxOccurs="1"/>
    <xsd:element name="cols" type="CT_Cols" minOccurs="0" maxOccurs="unbounded"/>
    <xsd:element name="sheetData" type="CT_SheetData" minOccurs="1" maxOccurs="1"/>

要修复代码,您可以SheetData从new Worksheet行中删除并添加SheetData以下内容Columns:

worksheetPart.Worksheet = new Worksheet(new SheetViews(new SheetView { WorkbookViewId = 0, ShowGridLines = new BooleanValue(false) }));

//....code omitted for brevity

Columns columns = new Columns();

columns.Append(new Column() { Min = 1, Max = 3, Width = 20, CustomWidth = true });
columns.Append(new Column() { Min = 4, Max = 4, Width = 30, CustomWidth = true });

worksheetPart.Worksheet.Append(columns);
worksheetPart.Worksheet.Append(new SheetData());

或者你可以按new Worksheet原样保留代码,并InsertBefore在添加Columns插入它们之前使用方法SheetData:

Columns columns = new Columns();

columns.Append(new Column() { Min = 1, Max = 3, Width = 20, CustomWidth = true });
columns.Append(new Column() { Min = 4, Max = 4, Width = 30, CustomWidth = true });

var sheetdata = worksheetPart.Worksheet.GetFirstChild<SheetData>();
worksheetPart.Worksheet.InsertBefore(columns, sheetdata);

还有一点需要注意 - 你应该SpreadsheetDocument.Create用using语句包装它.这将清理所有资源并在更改结束时为您保存文件,即:

using (var _document = SpreadsheetDocument.Create(filename, SpreadsheetDocumentType.Workbook))
{
    //all your OpenXml code here...
}