C++产生随机汉字

//#include "stdafx.h"
#include <iostream>
#include <ctime>
#include <Windows.h>

using namespace std;

int main()
{
	int i = 0;
	srand(time(NULL));
	int rand1 = 0xf7 - 0xb0;
	int rand2 = 0xfe - 0xa1;

	string str;
	BYTE byte1, byte2;
	for (i = 0; i < 10; ++i)
	{
		byte1 = rand() % rand1 + 0xb0;
		byte2 = rand() % rand2 + 0xa1;

		str = byte1;
		str += byte2;
		cout << str << endl;
	}

	return 0;
}