利用流将数字转换为字符串 (C++)

#include <string>#include <sstream>using std::string;using std::wstring;using std::stringstream;using std::wstringstream;string num2str(int i){stringstream ss;ss<<i;return ss.str();}wstring num2wstr(int i){wstringstream ss;ss<<i;return ss.str();}