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[英]C# (Microsoft.Office.Interop.Excel), Save Data as Excel 2003 File(xls)
[英]Is it possible to append multiple .xls files into a single Excel 2003 worksheet without Office Interop?
我有一個ASP.NET Web API,需要為將來的版本實現此功能。 特別:
有沒有辦法在不使用指定的辦公室互操作圖書館或任何付費的第三方圖書館(免費的第三方圖書館受歡迎)的情況下這樣做?
從NuGet安裝Spire.XLS: Install-Package Spire.XLS -Version 9.6.7
Spire.XLS提供了兩種將Excel文件合並到一個excel工作表中的方法:
1.使用CellRange.Copy()將excel與樣式合並
static void Main(string[] args)
{
string outputPath = "output.xls";
List<string> files = new List<string>();
files.Add(@"File1.xls");
files.Add(@"File2.xls");
CombineFiles(files, outputPath);
}
private static void CombineFiles(List<string> files, string outputPath)
{
Spire.Xls.Workbook resultworkbook = new Spire.Xls.Workbook();
resultworkbook.Worksheets.Clear();
Spire.Xls.Worksheet resultworksheet = resultworkbook.Worksheets.Add("worksheet");
Spire.Xls.Workbook workbook = new Spire.Xls.Workbook();
for (int i = 0; i < files.Count; i++)
{
workbook.LoadFromFile(files[i]);
Worksheet sheet = workbook.Worksheets[0];
if (i == 0)
{
sheet.AllocatedRange.Copy(resultworksheet.Range[1, 1], true, true);
}
else
{
sheet.AllocatedRange.Copy(resultworksheet.Range[resultworksheet.LastRow + 1, 1], true, true);
}
}
resultworkbook.SaveToFile(outputPath, ExcelVersion.Version97to2003);
}
2.使用DataTable合並沒有樣式的excel
Workbook workbook1 = new Workbook();
//load the first workbook
workbook1.LoadFromFile(FilePath1);
//load the second workbook
Workbook workbook2 = new Workbook();
workbook2.LoadFromFile(FilePath2);
//load the third workbook
Workbook workbook3 = new Workbook();
workbook3.LoadFromFile(FilePath3);
//import the second and third workbook's first worksheet into the first workbook using datatable
Worksheet sheet1 = workbook1.Worksheets[0];
Worksheet sheet2 = workbook2.Worksheets[0];
Worksheet sheet3 = workbook3.Worksheets[0];
DataTable dataTable1 = sheet2.ExportDataTable();
DataTable dataTable2 = sheet3.ExportDataTable();
sheet1.InsertDataTable(dataTable1, false, sheet1.LastRow + 1, 1);
sheet1.InsertDataTable(dataTable2, false, sheet1.LastRow + 1, 1);
workbook1.SaveToFile(OutputPath + "Merged.xls", ExcelVersion.Version97to2003);
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