MFC用ofstream输出CString型到文件

       MFC用ofstream输出CString型到文件

ofstream:从内存到磁盘，ifstream:从磁盘到内存:

头文件：#include<fstream> ,#include<istream>   

#include<stdio.h>

#include<fstream>

#include<istream>

int main(int arg,char *argv[])

{

CString cstr = 1234"";

fstream out("Debug.txt");

string str;

str = CStringA(cstr);

out << cstr.c_str() << endl;

  

}