C++ 文件IO
1 #include <iostream> 2 #include <fstream> 3 using namespace std; 4 int main(int argc, char *argv[]) 5 { 6 ofstream fout("D:\\a.txt"); 7 fout << "good morning!\n"; 8 fout << "1 + 2 = " << 1 + 2 << endl; 9 fout.close(); 10 return 0; 11 }
1 #include <iostream> 2 #include <fstream> 3 #include <string> 4 using namespace std; 5 6 int main(int argc, char *argv[]) 7 { 8 string stContent = ""; 9 ifstream fin("D:\\a.txt"); 10 getline(fin, stContent); 11 cout << "第一行:" + stContent <<endl; 12 getline(fin, stContent); 13 cout << "第二行:" + stContent <<endl; 14 return 0; 15 }