我按照网上找的方法.
template<typename T>
string num2str(const T val)
{
istringstream iss;
iss << "" << val;
retrun iss.str();
}
出现如下错误:
error C2784: 'std::basic_ostream<_Elem,_Traits> &std::operator <<(std::basic_ostream<_Elem,_Traits> &,const char *)' : could not deduce template argument for 'std::basic_ostream<_Elem,_Traits> &' from 'std::istringstream'
求指导.
你需要
#include <sstream>