17th Chapter, TXT file writing and reading data combining exercises (C + +)

#include <iostream> #include <fstream>int main (int argc, char** argv) {std::string str;//--------1. Write data to a file--------  std::cout<< "Please enter the data you wish to enter, and press the" enter "key to end. "<<std::endl;std::cin>>str; Without this file, Std::ofstream outfile ("E:\\123.txt", Std::ios::app) will be created automatically;//write to file outfile<<str;//be sure to close Outfile.close (); --------2. Read data from a file---------  std::ifstream infile ("E:\\123.txt"); Char cs[1024];//read from file std::cout<< " The data in the file is: "<<std::endl; while (INFILE>>CS) {//output Std::cout<<cs<<std::endl;} Close Infile.close (); return 0;}

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17th Chapter, TXT file writing and reading data combining exercises (C + +)