随机密码生成

johnniac — Fri, 27 Oct 2006 01:35:00 GMT

#include
#include
#include
#include
#include

using namespace std;

const int PWDLENGTH = 10; //定义密码长度

int main() {

   ofstream codefile ("codefile.txt", ios_base::app);

   string password(PWDLENGTH,'0');

   srand((unsigned)time(NULL));

   for (int i = 0; i<9; i++)
   {
        // a 是 0-61 之间的随机数
        int a = rand()%62;

        if (a>=10 && a<=35) // A-Z
        {
            char c = a -10 +'A';
            password[i] = c;
        }
        else if ( a>=36 && a<=61) // a-z
        {
            char c = a - 36 + 'a';
            password[i] = c;
        }
        else
            password[i]= a + '0';
   }

   codefile << password << endl;

   return 0;

}

johnniac 2006-10-27 09:35 发表评论

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随机密码生成