1. 程式人生 > >opencv 將int型別數字轉換為固定長度的字串cv::format

opencv 將int型別數字轉換為固定長度的字串cv::format

int currentFrame = 2;stringstream frame_name;frame_name << cv::format("%.3d",currentFrame) << ".jpg";或者:String save_frame_path;save_frame_path = cv::format("%.3d", frame_num) + ".jpg";