这些方法，ostringstream，ostream和fostream对象都是可用的吧？
大家讲道理2017-04-18 10:50:10
@龙方枞 Upstairs has given a pretty good and reliable place - there is a lot of information on the Internet that is really made up.
Let me recommend the MSDN Library
The documentation written by Microsoft seems very comfortable for beginners. Although it is for VS's own implementation, most of it conforms to the standard interface. After so many years of revision, VS supports the standard. It’s getting better and better (the era of VC6.0 has long passed).
