解决cin输入类型不匹配的问题

#include "stdafx.h"
#include <iostream>
#include <windows.h>
using namespace std;
BOOL InputValue(int& a);
int _tmain(int argc, _TCHAR* argv[])
{
int a = 0;
InputValue(a);
cout << "a = " << a << endl;
return 0;
}
BOOL InputValue(int& a)
{
while (true)
{
cout << "please input a number:" << endl;
cin >> a;
if (cin.fail())
{
cout << "input failed!" << endl;
cin.clear();
cin.get();
}
else
{
break;
}
}
return TRUE;
}