/// <summary>
/// 获取Worksheet
/// </summary>
/// <param name="document">document对象</param>
/// <param name="sheetName">sheetName可空</param>
/// <returns>Worksheet对象</returns>
public static SheetEx GetWorksheet(this SpreadsheetDocument document, string sheetName = null)
{
var sheets = document.WorkbookPart.Workbook.Descendants <Sheet>();
var sheet = (sheetName == null
? sheets.FirstOrDefault()
: sheets.FirstOrDefault(s => s.Name == sheetName)) ?? sheets.FirstOrDefault();
var worksheetPart = (WorksheetPart)document.WorkbookPart.GetPartById(sheet.Id);
SheetEx sheetEx = new SheetEx();
sheetEx.Worksheet = worksheetPart.Worksheet;
sheetEx.SheetId = sheet.Id;
sheetEx.SheetName = sheet.Name;
return(sheetEx);
}
/// <summary>
/// 获取Worksheet
/// </summary>
/// <param name="document">document对象</param>
/// <param name="sheetName">sheetName可空</param>
/// <returns>Worksheet对象</returns>
public static List <SheetEx> GetWorksheets(this SpreadsheetDocument document)
{
List <SheetEx> list = new List <SheetEx>();
var sheets = document.WorkbookPart.Workbook.Descendants <Sheet>();
foreach (var sheet in sheets)
{
var worksheetPart = (WorksheetPart)document.WorkbookPart.GetPartById(sheet.Id);
SheetEx sheetEx = new SheetEx();
sheetEx.Worksheet = worksheetPart.Worksheet;
sheetEx.SheetId = sheet.Id;
sheetEx.SheetName = sheet.Name;
list.Add(sheetEx);
}
return(list);
}
private List <OpenXmlImportImages> GetOpenXmlImportImages(SheetEx sheet, WorkbookPart workbookPart)
{
WorksheetPart wsPart = (WorksheetPart)workbookPart.GetPartById(sheet.SheetId);
DrawingsPart drawingPart = wsPart.GetPartsOfType <DrawingsPart>().ToList().FirstOrDefault();
List <OpenXmlImportImages> pictures = new List <OpenXmlImportImages>();
if (drawingPart != null)
{
foreach (var part in drawingPart.Parts)
{
OpenXmlImportImages pic = new OpenXmlImportImages();
ImagePart imgPart = (ImagePart)part.OpenXmlPart;
pic.Image = StreamToBytes(imgPart.GetStream());
pic.RefId = part.RelationshipId;
pictures.Add(pic);
}
var worksheetDrawings = drawingPart.WorksheetDrawing.Where(c => c.ChildElements.Any
(a => a.GetType().FullName == "DocumentFormat.OpenXml.Drawing.Spreadsheet.Picture")).ToList();
foreach (var worksheetDrawing in worksheetDrawings)
{
if (worksheetDrawing.GetType().FullName ==
"DocumentFormat.OpenXml.Drawing.Spreadsheet.TwoCellAnchor")
{
TwoCellAnchor anchor = (TwoCellAnchor)worksheetDrawing;
DocumentFormat.OpenXml.Drawing.Spreadsheet.Picture picDef =
(DocumentFormat.OpenXml.Drawing.Spreadsheet.Picture)
anchor.ChildElements.FirstOrDefault(c => c.GetType().FullName ==
"DocumentFormat.OpenXml.Drawing.Spreadsheet.Picture");
if (picDef != null)
{
var embed = picDef.BlipFill.Blip.Embed;
if (embed != null)
{
var picMapping = pictures.FirstOrDefault(c => c.RefId == embed.InnerText);
picMapping.FromCol = int.Parse(anchor.FromMarker.ColumnId.InnerText);
picMapping.FromRow = int.Parse(anchor.FromMarker.RowId.InnerText);
}
}
}
}
}
return(pictures);
}
