iostream中输入输出十六进制数

By: Zhiqiang Ma On: Nov 12, 2008 Views: 6 No Comment Print Email
Tags: C, programming

很简单, 直接上示例代码:

#include <fstream>
#include <iomanip>

using std::cout;
using std::ifstream;
using std::ios;
using std::hex;

int main(){
    ifstream is("e:\test\test.txt");
    int i = 0;
    is >> hex >> i;
    cout << hex << i << endl;
    is.close();
    return 0;
}