bruceteen的方法(使用一个如此设置的local):#include <iostream>#include <locale> int main( void ){ using namespace std; cout << 1389992 << endl; // 1389992 locale chs( "chs" ); // chs在我这里行,不知道你那里怎么样 cout.imbue( chs ); cout << 1389992 << endl; // 1,389,992} 特别推荐 namtso的方法(自己订制local):#include <iostream>#include <string>#include <locale>using namespace std; class thousands_sep_facet:public std::numpunct<char>{public: explicit thousands_sep_facet( size_t r=0 ) : std::numpunct<char>(r) { }protected: string do_grouping() const { return "\003"; }}; int main( void ){ cout << 1389992 << endl; // 1389992 locale loc( locale(), new thousands_sep_facet ); std::cout.imbue( loc ); cout << 1389992 << endl; // 1,389,992 return 0;}

评论