#include <iostream>
#include <string>
#include <xlnt/xlnt.hpp>
#include <windows.h>

static std::string utf8_to_ansi(const std::string &utf8)
{
    WCHAR unicode[1500];
    char ansi[1500];

    memset(unicode, 0, sizeof(unicode));
    memset(ansi, 0, sizeof(ansi));

    ::MultiByteToWideChar(CP_UTF8, 0, utf8.c_str(), -1, unicode, sizeof(unicode));
    ::WideCharToMultiByte(CP_ACP, 0, unicode, -1, ansi, sizeof(ansi), NULL, NULL);

    return std::string(ansi);
}


int
main()
{
    xlnt::workbook wb;
    wb.load("d:/test.xlsx");
    auto ws = wb.active_sheet();
    std::cout << "Processing spread sheet" << std::endl;
    for (const auto& row : ws.rows(false)) {
        for (const auto& cell : row) {
            const auto utf8_encoded = cell.to_string();
            std::cout << utf8_to_ansi(utf8_encoded) << std::endl;
        }
    }
    std::cout << "Processing complete " << std::endl;
}