CC++ 的选项解析器 [复制]

C/C++ 的选项解析器

cpp
#include 
#include 
namespace po = boost::program_options;
int main(int argc, char* argv[]) {
    int value;
    std::string name;
    po::options_description desc("Allowed options");
    desc.add_options()
        ("help", "produce help message")
        ("value,v", po::value(&value)->default_value(0), "set a value")
        ("name,n", po::value(&name), "set a name");
    po::variables_map vm;
    po::store(po::command_line_parser(argc, argv).options(desc).run(), vm);
    po::notify(vm);
    if (vm.count("help")) {
        std::cout << desc << "\n";
        return 1;
    }
    std::cout << "Value: " << value << std::endl;
    std::cout << "Name: " << name << std::endl;
    return 0;
}