Click here to Skip to main content
15,886,873 members
Articles / Programming Languages / C++

BasicExcel - A Class to Read and Write to Microsoft Excel

Rate me:
Please Sign up or sign in to vote.
4.94/5 (199 votes)
5 Aug 200610 min read 5.5M   65.6K   520  
A Class to Read and Write to Microsoft Excel
#include <BasicExcel.hpp>
using namespace YExcel;

int main(int argc, char* argv[])
{
	BasicExcel e;

	// Load a workbook with one sheet, display its contents and save into another file.
	e.Load("example1.xls");	
	BasicExcelWorksheet* sheet1 = e.GetWorksheet("Sheet1");
	if (sheet1)
	{
		size_t maxRows = sheet1->GetTotalRows();
		size_t maxCols = sheet1->GetTotalCols();
		cout << "Dimension of " << sheet1->GetAnsiSheetName() << " (" << maxRows << ", " << maxCols << ")" << endl;

		printf("          ");
		for (size_t c=0; c<maxCols; ++c) printf("%10d", c+1);
		cout << endl;

		for (size_t r=0; r<maxRows; ++r)
		{
			printf("%10d", r+1);
			for (size_t c=0; c<maxCols; ++c)
			{
				BasicExcelCell* cell = sheet1->Cell(r,c);
				switch (cell->Type())
				{
					case BasicExcelCell::UNDEFINED:
						printf("          ");
						break;

					case BasicExcelCell::INT:
						printf("%10d", cell->GetInteger());
						break;

					case BasicExcelCell::DOUBLE:
						printf("%10.6lf", cell->GetDouble());
						break;

					case BasicExcelCell::STRING:
						printf("%10s", cell->GetString());
						break;

					case BasicExcelCell::WSTRING:
						wprintf(L"%10s", cell->GetWString());
						break;
				}
			}
			cout << endl;
		}
	}
	cout << endl;
	e.SaveAs("example2.xls");

	// Create a new workbook with 2 worksheets and write some contents.
	e.New(2);
	e.RenameWorksheet("Sheet1", "Test1");
	BasicExcelWorksheet* sheet = e.GetWorksheet("Test1");
	BasicExcelCell* cell;
	if (sheet)
	{
		for (size_t c=0; c<4; ++c)
		{
			cell = sheet->Cell(0,c);
			cell->Set((int)c);
		}

		cell = sheet->Cell(1,3);
		cell->SetDouble(3.141592654);

		sheet->Cell(1,4)->SetString("Test str1");
		sheet->Cell(2,0)->SetString("Test str2");
		sheet->Cell(2,5)->SetString("Test str1");

		sheet->Cell(4,0)->SetDouble(1.1);
		sheet->Cell(4,1)->SetDouble(2.2);
		sheet->Cell(4,2)->SetDouble(3.3);
		sheet->Cell(4,3)->SetDouble(4.4);
		sheet->Cell(4,4)->SetDouble(5.5);

		sheet->Cell(4,4)->EraseContents();
	}

	sheet = e.AddWorksheet("Test2", 1);
	sheet = e.GetWorksheet(1); 
	if (sheet)
	{
		sheet->Cell(1,1)->SetDouble(1.1);
		sheet->Cell(2,2)->SetDouble(2.2);
		sheet->Cell(3,3)->SetDouble(3.3);
		sheet->Cell(4,4)->SetDouble(4.4);
		sheet->Cell(70,2)->SetDouble(5.5);
	}
	e.SaveAs("example3.xls");

	// Load the newly created sheet and display its contents
	e.Load("example3.xls");

	size_t maxSheets = e.GetTotalWorkSheets();
	cout << "Total number of worksheets: " << e.GetTotalWorkSheets() << endl;
	for (size_t i=0; i<maxSheets; ++i)
	{
		BasicExcelWorksheet* sheet = e.GetWorksheet(i);
		if (sheet)
		{
			size_t maxRows = sheet->GetTotalRows();
			size_t maxCols = sheet->GetTotalCols();
			cout << "Dimension of " << sheet->GetAnsiSheetName() << " (" << maxRows << ", " << maxCols << ")" << endl;

			if (maxRows>0)
			{
				printf("          ");
				for (size_t c=0; c<maxCols; ++c) printf("%10d", c+1);
				cout << endl;
			}

			for (size_t r=0; r<maxRows; ++r)
			{
				printf("%10d", r+1);
				for (size_t c=0; c<maxCols; ++c)
				{
					cout << setw(10) << *(sheet->Cell(r,c));	// Another way of printing a cell content.				
				}
				cout << endl;
			}
			if (i==0)
			{
				ofstream f("example4.csv");
				sheet->Print(f, ',', '\"');	// Save the first sheet as a CSV file.
				f.close();
			}
		}
		cout << endl;
	}
	return 0;
}

By viewing downloads associated with this article you agree to the Terms of Service and the article's licence.

If a file you wish to view isn't highlighted, and is a text file (not binary), please let us know and we'll add colourisation support for it.

License

This article has no explicit license attached to it but may contain usage terms in the article text or the download files themselves. If in doubt please contact the author via the discussion board below.

A list of licenses authors might use can be found here


Written By
Researcher
Singapore Singapore
This member has not yet provided a Biography. Assume it's interesting and varied, and probably something to do with programming.

Comments and Discussions