C++写入和读取txt文件

#include <iostream>#include <fstream>#include <sstream>using namespace std;int main(){ifstream inStream;ofstream outStream;stringstream ss;outStream.open("outfile.txt");for (int i = 1; i <= 100; ++i){ss.str("");ss.clear();ss << i << ".jpg";outStream << ss.str() << endl;}outStream.close();inStream.open("outfile.txt");string filename;while (inStream >> filename){ss.str("");ss.clear();ss << filename;cout << ss.str() << endl;}inStream.close();return 0;}