Microsoft^® การแปลงรูปแบบ Excel via .NET

// load the template file
var workbook = new Aspose.Cells.Workbook("template.xls");
// save as XLSX, ODS, SXC & FODS formats
workbook.Save("output.xlsx", Aspose.Cells.SaveFormat.Xlsx);
workbook.Save("output.ods", Aspose.Cells.SaveFormat.Ods);
workbook.Save("output.scx", Aspose.Cells.SaveFormat.Sxc);
workbook.Save("output.fods", Aspose.Cells.SaveFormat.Fods);

// load template Excel file from disc
var book = new Aspose.Cells.Workbook("template.xlsx");
// save Excel in PDF/A-1a format
book.Save("output.pdf", new Aspose.Cells.PdfSaveOptions() { Compliance = PdfComplianceVersion.PdfA1a });
// save Excel in XPS with 1 page per worksheet
book.Save("output.xps", new Aspose.Cells.XpsSaveOptions() { OnePagePerSheet = true });
// save Excel in HTML with images as Base64
book.Save("output.html", new Aspose.Cells.HtmlSaveOptions() { ExportImagesAsBase64 = true });
// save Excel in Markdown (MD) while retaining cell formatting
book.Save("output.md", new Aspose.Cells.MarkdownSaveOptions() { FormatStrategy = Cells.CellValueFormatStrategy.CellStyle });

// create a Workbook object
var workbook = new Cells.Workbook();
var worksheet = workbook.Worksheets[0];
// read JSON data from file
string jsonInput = File.ReadAllText("Data.json");
// set JsonLayoutOptions to treat Arrays as Table
var options = new Cells.Utility.JsonLayoutOptions();
options.ArrayAsTable = true;
// import JSON data to worksheet starting at cell A1
Cells.Utility.JsonUtility.ImportData(jsonInput, worksheet.Cells, 0, 0, options);
// save resultant file in XLSX format
workbook.Save("output.xlsx", Cells.SaveFormat.Auto); 

// load XLSX file with an instance of Workbook
var workbook = new Workbook("template.xlsx", new LoadOptions(Cells.LoadFormat.Auto));
// access CellsCollection of the worksheet containing data to be converted
var cells = workbook.Worksheets[0].Cells;
// create & set ExportRangeToJsonOptions for advanced options
var exportOptions = new Utility.ExportRangeToJsonOptions();
// create a range of cells containing data to be exported
var range = cells.CreateRange(0, 0, cells.LastCell.Row + 1, cells.LastCell.Column + 1);
// export range as JSON data
string jsonData = Cells.Utility.JsonUtility.ExportRangeToJson(range, exportOptions);
// write data file to disc in JSON format
System.IO.File.WriteAllText("output.json", jsonData); 

// load template spreadsheet
var workbook = new Aspose.Cells.Workbook("template.xlsx");
// create & set an instance of ImageOrPrintOptions
var options = new Aspose.Cells.Rendering.ImageOrPrintOptions();
options.OnePagePerSheet = true;
// set output image format
options.ImageType = Aspose.Cells.Drawing.ImageType.Jpeg;
// create SheetRender for first worksheet in the collection
var render = new Aspose.Cells.Rendering.SheetRender(workbook.Worksheets[0], options);
// render worksheet to image
render.ToImage(0, "output.jpg");

// load the template file
var workbook = new Aspose.Cells.Workbook("template.xlsx");
// save spreadsheet as DOCX
workbook.Save("output.docx", new Aspose.Cells.DocxSaveOptions());
// save spreadsheet as PPTX
workbook.Save("output.pptx", new Aspose.Cells.PptxSaveOptions());