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#include<iostream>
#include <string>
using namespace std;
int main()
{
FILE *pFile = NULL;
string fn("data");
char num[10]="";
for (int i=1; i<10; ++i)
{
itoa(i, num, 10);
string tmp(num);
fn = "data"+tmp+".txt";// 这句
pFile = fopen(fn.c_str(),"wb+");
}
#include<iostream>
#include <string>
using namespace std;
int main()
{
FILE *pFile = NULL;
string fn("data");
char num[10]="";
for (int i=1; i<10; ++i)
{
itoa(i, num, 10);
string tmp(num);
fn = "data"+tmp+".txt";// 这句
pFile = fopen(fn.c_str(),"wb+");
}
}
#include<iostream>
#include <string>
using namespace std;
int main()
{
FILE *pFile = NULL;
string fn("data");
char num[10]="";
for (int i=1; i<10; ++i)
{
itoa(i, num, 10);
string tmp(num);
fn = fn+tmp+".txt";
pFile = fopen(fn.c_str(),"wb+");
}
}