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Added advanced union logic for files with small amount of empty columns

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This commit is contained in:
KharchenkoVV 2021-09-17 15:58:01 +05:00
parent 6c2e58a14d
commit 99c805c7d4
1 changed files with 32 additions and 11 deletions
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43
ConsoleApp1/Program.cs
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@ -29,6 +29,15 @@ namespace ConsoleApp1
sheet.Pictures.Delete(n); sheet.Pictures.Delete(n);
} }
private static IXLRange GetCellsRange(IXLWorksheet sheet)
{
var firstTableCell = sheet.FirstCellUsed();
var lastTableCell = sheet.LastCellUsed();
var rngData = sheet.Range(firstTableCell.Address, lastTableCell.Address);
return rngData;
}
static void Main(/*string[] args*/) static void Main(/*string[] args*/)
{ {
var sourceExcelPaths = new List<string> var sourceExcelPaths = new List<string>
@ -36,8 +45,8 @@ namespace ConsoleApp1
//@"D:\excels\excel1.xlsx", //@"D:\excels\excel1.xlsx",
//@"D:\excels\excel2.xlsx" //@"D:\excels\excel2.xlsx"
//@"D:\excels\e1.xlsx", //@"D:\excels\e1.xlsx",
//@"D:\excels\e2.xlsx", @"D:\excels\e2.xlsx",
//@"D:\excels\e3.xlsx", @"D:\excels\e3.xlsx",
@"D:\excels\e4.XLSX", @"D:\excels\e4.XLSX",
@"D:\excels\e5.XLSX", @"D:\excels\e5.XLSX",
@"D:\excels\e6.XLSX" @"D:\excels\e6.XLSX"
@ -55,12 +64,10 @@ namespace ConsoleApp1
foreach (var sheet in sourceExcelFile.Worksheets) foreach (var sheet in sourceExcelFile.Worksheets)
{ {
//var columnsToDelete = sheet.Columns().Skip(sheet.ColumnsUsed().Count()); // Если в файле очень много колонок и многие из них пустые -
// предлагаем удалить их вручную или пытаемся копировать
//foreach (var d in columnsToDelete) // ячейки попорядку (не красиво). Красиво не получится.
// d.Delete(); if (sheet.Columns().Count() > maxAllowedColumns &&
if (sheet.Columns().Count() > maxAllowedColumns &&
sheet.Columns().Count() / sheet.ColumnsUsed().Count() > 5) sheet.Columns().Count() / sheet.ColumnsUsed().Count() > 5)
{ {
Console.WriteLine($"В файле {Path.GetFileName(sourceExcelPath)} " + Console.WriteLine($"В файле {Path.GetFileName(sourceExcelPath)} " +
@ -75,9 +82,7 @@ namespace ConsoleApp1
if (res != "y") if (res != "y")
return; return;
var firstTableCell = sheet.FirstCellUsed(); var rngData = GetCellsRange(sheet);
var lastTableCell = sheet.LastCellUsed();
var rngData = sheet.Range(firstTableCell.Address, lastTableCell.Address);
RemovePicturesFromSheet(sheet); RemovePicturesFromSheet(sheet);
@ -86,6 +91,22 @@ namespace ConsoleApp1
GC.Collect(); GC.Collect();
} }
// Если колонок в файле немного, но среди них также есть пустые -
// проще удалить ненужные колонки и скопировать лист красиво.
else if (sheet.Columns().Count() < maxAllowedColumns &&
sheet.Columns().Count() / sheet.ColumnsUsed().Count() > 2)
{
RemovePicturesFromSheet(sheet);
var columnsToDelete = sheet.Columns().Skip(sheet.ColumnsUsed().Count());
foreach (var d in columnsToDelete)
d.Delete();
sheet.CopyTo(resultExcelFile, sheet.Name);
GC.Collect();
}
// Если по колонкам все хорошо, копируем лист красиво.
else else
{ {
RemovePicturesFromSheet(sheet); RemovePicturesFromSheet(sheet);