flutter datetime format

#include <iostream>
#include <iomanip>
#include <sstream>
#include <ctime>

int main() {
    // Get current time
    std::time_t currentTime = std::time(nullptr);

    // Convert time to tm structure
    std::tm *timeStruct = std::localtime(&currentTime);

    // Format the date and time
    std::ostringstream oss;
    oss << std::put_time(timeStruct, "%Y-%m-%d %H:%M:%S");

    // Get the formatted date and time as a string
    std::string formattedDateTime = oss.str();

    // Print the formatted date and time
    std::cout << "Formatted DateTime: " << formattedDateTime << std::endl;

    return 0;
}