std::map<std::string,int >::iterator iter = m_data.begin();
for(; iter != m_data.end(); ++ iter)
{
cout << iter->first << iter ->second
}
iter ->second 是枚举值
iter ->first 枚举变量名
std::map<std::string,int >::iterator iter = m_data.begin();
for(; iter != m_data.end(); ++ iter)
{
cout << iter->first << iter ->second
}
iter ->second 是枚举值
iter ->first 枚举变量名