测试成功代码

static int nMybuffer[100] = {0}; //假设你输入的都是正整数
CString strText;
GetDlgItemText(IDC_EDIT1, strText);
int m_bz = _ttoi((LPCTSTR)strText);
BOOL bExsit = FALSE;
//int 不放在外面会有点问题
int i =0;
for( ; i < 100; i++)
{
if(nMybuffer[i] == 0)
{
//MessageBox(L"1");
break;
}

if(nMybuffer[i] == m_bz)
{
bExsit = TRUE;
MessageBox(L"2");
break;
}

}

if(!bExsit)
{
nMybuffer[i] = m_bz;
MessageBox(L"3");