Unicode C
Unicode C
XLSX Convert Sheet to CSV
Open an Excel spreadsheet (.xlsx) and loads a sheet into a CSV object.Chilkat Unicode C Downloads
#include <C_CkZipW.h>
#include <C_CkCsvW.h>
#include <C_CkStringTableW.h>
void ChilkatSample(void)
{
BOOL success;
HCkZipW zip;
HCkCsvW csv;
HCkStringTableW sheetNames;
const wchar_t *sheetName;
const wchar_t *csvStr;
success = FALSE;
// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
// .xlsx files are Zip archives
zip = CkZipW_Create();
success = CkZipW_OpenZip(zip,L"qa_data/excel/fakeCompanies.xlsx");
if (success == FALSE) {
wprintf(L"%s\n",CkZipW_lastErrorText(zip));
CkZipW_Dispose(zip);
return;
}
csv = CkCsvW_Create();
sheetNames = CkStringTableW_Create();
success = CkCsvW_XlsxGetSheets(csv,zip,sheetNames);
if (success == FALSE) {
wprintf(L"%s\n",CkCsvW_lastErrorText(csv));
CkZipW_Dispose(zip);
CkCsvW_Dispose(csv);
CkStringTableW_Dispose(sheetNames);
return;
}
if (CkStringTableW_getCount(sheetNames) == 0) {
wprintf(L"There are no sheets in the .xlsx\n");
CkZipW_Dispose(zip);
CkCsvW_Dispose(csv);
CkStringTableW_Dispose(sheetNames);
return;
}
// Get the name of the 1st sheet.
sheetName = CkStringTableW_stringAt(sheetNames,0);
// Load the 1st sheet into the CSV.
// We could've also loaded the 1st sheet by passing an empty string for the sheet name.
success = CkCsvW_XlsxLoadSheet(csv,zip,sheetName);
if (success == FALSE) {
wprintf(L"%s\n",CkZipW_lastErrorText(zip));
CkZipW_Dispose(zip);
CkCsvW_Dispose(csv);
CkStringTableW_Dispose(sheetNames);
return;
}
// The Chilkat CSV API can now be used to read, modify, or insert cells.
// ...
// ...
csvStr = CkCsvW_saveToString(csv);
wprintf(L"%s\n",csvStr);
// Sample output:
// CompanyName,Address,City,State,Zip,Phone
// Acme Innovations LLC,7428 Westbrook Blvd,Oak Bend,IL,60514,630-555-2398
// BlueHorizon Data Systems,1850 Crestline Park Suite 210,Rivergate,CA,92814,714-555-8821
// Pinnacle Manufacturing Corp,3912 Industrial Loop,Maple Ridge,TX,77301,281-555-4477
// Evergreen Analytics Inc,1250 Highland Terrace,Stonefield,WA,98290,425-555-9914
// NovaTech Solutions Group,578 Marketview Drive,Clearwater,FL,33760,727-555-6032
// Save to a .csv file.
success = CkCsvW_SaveFile2(csv,L"c:/temp/qa_output/fakeCompanies.csv",L"utf-8");
if (success == FALSE) {
wprintf(L"%s\n",CkCsvW_lastErrorText(csv));
CkZipW_Dispose(zip);
CkCsvW_Dispose(csv);
CkStringTableW_Dispose(sheetNames);
return;
}
CkZipW_Dispose(zip);
CkCsvW_Dispose(csv);
CkStringTableW_Dispose(sheetNames);
}