获取磁盘剩余容量
#include <filesystem>struct DiskSpaceInfo
{double total;double free;double available;
};DiskSpaceInfo getDiskSpace(const std::string& path)
{std::filesystem::space_info si = std::filesystem::space(path);DiskSpaceInfo info;info.total = static_cast<double>(si.capacity) / (1024 * 1024 * 1024);info.free = static_cast<double>(si.free) / (1024 * 1024 * 1024);info.available = static_cast<double>(si.available) / (1024 * 1024 * 1024);return info;
}int main()
{DiskSpaceInfo info = getDiskSpace("D:\\");std::cout << "Total space: " << info.total << " GB" << std::endl;std::cout << "Free space: " << info.free << " GB" << std::endl;std::cout << "Available space: " << info.available << " GB" << std::endl;return 0;
}