读取csv数据并保存成图像

int main(int argc, char* argv[]){ifstream file("******.csv");string value;int i = 0;int j = 0;while (file.good()){getline(file, value, '\n');//cout << string(value, 0, value.length()) << endl;if (i > 0){value.erase(0, 2);value.erase(value.length() - 9);//cout << string(value, 0, value.length()) << endl;char split = ' ';std::vector<int> matrix(2304);int count1 = 0;for (int numPixel = 0; numPixel < 2304; numPixel++){char p[8] = { 0 };int f;for (int index = 0; index < value.length(); index++){f = value.find_first_of(split);if (index < f){p[index] = value[index];}else{break;}}if (count1 == 2303){for (int index = 0; index < value.length(); index++){     p[index] = value[index];}}value.erase(0, f + 1);int pushData = atoi(p);  //这儿做的有些脑残//cout << "this is " << pushData << endl;matrix[count1] = pushData;count1++;//cout << "this is the " << numPixel << " th number\n";}int count = 0;Mat mat(48, 48, CV_8UC1, Scalar(100));for (int matGX = 0; matGX < 48; matGX++){for (int matGY = 0; matGY < 48; matGY++){mat.at<char>(matGX, matGY) = matrix[count];//cout << mat.at<char>(matGX, matGY) << "fuzhi \n";count++;//cout << "count" << count << endl;}}namedWindow("Lena", CV_WINDOW_AUTOSIZE);imshow("Lena", mat);waitKey(33);char nameJpg[8];_itoa(j, nameJpg, 10);printf("nameJpg = %s\n", nameJpg);string nameJpgS = nameJpg;string path = "D:\\Facial\\";string imgPath = path + nameJpgS + ".jpg";imwrite(imgPath, mat);j++;//cout << matrix.size() << endl;matrix.clear();}i++;cout << i << endl;if (i==3588){break;}}return 0;}