請問各位大大: 小弟寫了讀檔的C++語法出現compiler錯誤, 請問要如何排除? 謝謝!
加入的讀檔語法如下:
for(int j=0; j<30; j )
{
ostringstream inName, outName1, outName2;
inName << dir << "\\jobtime" << j 1 << ".txt";
ifstream fin(inName.str().c_str());
if (!fin) {fin.close(); continue;}


錯誤的訊息如下:

115 C:\Program Files\NetMeeting\3\3\Godspeed\D9-991112\Small scale of optimum\DWPSO for optimum-991112.cpp aggregate `std::ostringstream inName' has incomplete type and cannot be defined
115 C:\Program Files\NetMeeting\3\3\Godspeed\D9-991112\Small scale of optimum\DWPSO for optimum-991112.cpp aggregate `std::ostringstream outName1' has incomplete type and cannot be defined
115 C:\Program Files\NetMeeting\3\3\Godspeed\D9-991112\Small scale of optimum\DWPSO for optimum-991112.cpp aggregate `std::ostringstream outName2' has incomplete type and cannot be defined