将std :: string转换为basic_ostream？

Question

上面有转换吗？

Answer 1

将a转换std::string为输出流？通常是:将字符串转换为从给定字符串中读取字符的输入流:

std::string myString = //...
std::istringstream iss(myString);

另见:http://www.cplusplus.com/reference/iostream/istringstream/

Answer 2

std::ostringstream 来自<sstream>:

http://www.cplusplus.com/reference/iostream/ostringstream/