on.nemtina/DD.WellWorkover.Cloud
1
0
Fork 0
forked from ddrilling/AsbCloudServer
Code Pull Requests Activity

Changed Images collection storage from temp sheet to memory

Browse Source
This commit is contained in:
KharchenkoVV 2021-09-21 13:39:03 +05:00
parent 5d21d841a2
commit 68eca5fdef
1 changed files with 39 additions and 30 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

69
ConsoleApp1/Program.cs
View File

@ -14,19 +14,32 @@ namespace ConsoleApp1
// .Options;
//var context = new AsbCloudDbContext(options);
class ImageInfo
{
public int Id { get; set; }
public byte[] Data { get; set; }
public int Height { get; set; }
public int Width { get; set; }
public IXLAddress TopLeftCellAddress { get; set; }
public int Left { get; set; }
public int Top { get; set; }
}
class Program
{
private static IXLWorksheet CopyImagesToAnotherSheet(IXLWorksheet sourceSheet,
private static IXLWorksheet CopyImagesToAnotherSheet(IEnumerable<ImageInfo> imagesInfos,
IXLWorksheet resultSheet)
{
foreach (var picture in sourceSheet.Pictures)
foreach (var image in imagesInfos)
{
resultSheet.AddPicture(picture.ImageStream)
var stream = new MemoryStream();
stream.Write(image.Data, 0, image.Data.Length);
resultSheet.AddPicture(stream)
.WithPlacement(XLPicturePlacement.Move)
.WithSize(picture.Width, picture.Height)
.MoveTo(resultSheet.Cell(picture.TopLeftCell.Address),
picture.Left, picture.Top);
.WithSize(image.Width, image.Height)
.MoveTo(resultSheet.Cell(image.TopLeftCellAddress),
image.Left, image.Top);
}
return resultSheet;
@ -49,27 +62,6 @@ namespace ConsoleApp1
return rngData;
}
// Изображения не переносятся при вызове метода sheet.CopyTo(). Падает с exception.
// Для этого сначала все изображения переносятся на временный лист "PicsCopy",
// затем удаляются из копируемого листа, копируемый лист копируется в лист-результат
// и после этого из temp листа "PicsCopy" в лист-результат также копируются изображения.
// Temp лист удаляется.
private static void CopySheetToFile(IXLWorksheet currentSheet, XLWorkbook resultExcelFile)
{
var picturesCopySheet = resultExcelFile.AddWorksheet("PicsCopy");
var copy = currentSheet.Pictures.Select(p => new { buff = p.ImageStream, });
CopyImagesToAnotherSheet(currentSheet, picturesCopySheet);
RemovePicturesFromSheet(currentSheet);
var resultSheet = currentSheet.CopyTo(resultExcelFile, currentSheet.Name);
CopyImagesToAnotherSheet(picturesCopySheet, resultSheet);
picturesCopySheet.Delete();
}
static void Main(/*string[] args*/)
{
var sourceExcelPaths = new List<string>
@ -98,6 +90,17 @@ namespace ConsoleApp1
foreach (var sheet in sourceExcelFile.Worksheets)
{
var imagesInfos = sheet.Pictures.Select(p => new ImageInfo
{
Id = p.Id,
Data = p.ImageStream.GetBuffer(),
Height = p.Height,
Width = p.Width,
TopLeftCellAddress = p.TopLeftCell.Address,
Left = p.Left,
Top = p.Top
}).ToList();
if (sheet.Columns().Count() > maxAllowedColumns)
{
var resultSheet = resultExcelFile.Worksheets.Add(sheet.Name);
@ -115,14 +118,20 @@ namespace ConsoleApp1
resultSheet.Column(i).Width = sheet.Column(i).Width;
}
CopyImagesToAnotherSheet(sheet, resultSheet);
CopyImagesToAnotherSheet(imagesInfos, resultSheet);
}
else
CopySheetToFile(sheet, resultExcelFile);
{
RemovePicturesFromSheet(sheet);
var resultSheet = sheet.CopyTo(resultExcelFile, sheet.Name);
CopyImagesToAnotherSheet(imagesInfos, resultSheet);
}
}
}
resultExcelFile.SaveAs(resultExcelPath, true, true);
resultExcelFile.SaveAs(resultExcelPath);
Console.WriteLine("Done. Press any key to quit.");
Console.ReadKey();