如何获取网页中的密码和文本输入框的内容

VARIANT id, index;
CComPtr<IDispatch> spDispatch;
CComQIPtr<IHTMLDocument2, &IID_IHTMLDocument2> pDoc2;
CComPtr<IHTMLElement> pElement;
CComPtr<IHTMLElementCollection> pElementCol;
CComPtr<IHTMLFormElement> pFormElement;
CComPtr<IHTMLInputTextElement> pInputElement;

//首先获取IWebBrowser2接口
CoInitialize(NULL);    //必须要这句初始化
SHDocVw::IWebBrowser2Ptr spBrowser(spDisp);
if (m_spSHWinds == NULL)
{
if (m_spSHWinds.CreateInstance(__uuidof(SHDocVw::ShellWindows)) != S_OK)
{
MessageBox("Failed");
CoUninitialize();

}
}

if (m_spSHWinds)
{
int n = m_spSHWinds->GetCount();
for (int i = 0; i < n; i++)
{
_variant_t v = (long)i;
IDispatchPtr spDisp = m_spSHWinds->Item(v);

SHDocVw::IWebBrowser2Ptr spBrowser(spDisp);   //生成一个IE窗口的智能指针
if (spBrowser)
{
//获取IHTMLDocument2接口
if (SUCCEEDED(spBrowser->get_Document( &spDispatch)))
pDoc2 = spDispatch;
if(pDoc2!=NULL)
{
//    AfxMessageBox("已经获取IHTMLDocument2");
if (SUCCEEDED(pDoc2->get_forms(&pElementCol)))
{
//    AfxMessageBox("已经获取IHTMLElementCollection");
long p=0;
if(SUCCEEDED(pElementCol->get_length(&p)))
if(p!=0)
{
for(long i=0;i<=(p-1);i++)
{
V_VT(&id) = VT_I4;
V_I4(&id) = i;
V_VT(&index) = VT_I4;
V_I4(&index) = 0;

if(SUCCEEDED(pElementCol->item(id,index, &spDispatch)))
if(SUCCEEDED(spDispatch->QueryInterface(IID_IHTMLFormElement,(void**)&pFormElement)))
{
// AfxMessageBox("已经获取IHTMLFormElement");
long q=0;
if(SUCCEEDED(pFormElement->get_length(&q)))
for(long j=0;j<=(q-1);j++)
{
V_VT(&id) = VT_I4;
V_I4(&id) = j;
V_VT(&index) = VT_I4;
V_I4(&index) = 0;
if(SUCCEEDED(pFormElement->item(id,index, &spDispatch)))
if(SUCCEEDED(spDispatch->QueryInterface(IID_IHTMLInputTextElement,(void**)&pInputElement)))
{
//AfxMessageBox("已经获取IHTMLInputTextElement");
CComBSTR value;
CComBSTR type;

pInputElement->get_type(&type); //获取输入框类型(密码框还是文本框)

CString strtype(type);
strtype.MakeUpper();
if(strtype.Find("TEXT")!=-1) //获取文本框的值
{
pInputElement->get_value(&value);
CString str(value);
if(!str.IsEmpty())
m_ctrlIE.InsertItem(0, _bstr_t(value)+_bstr_t("  【可能是用户名或其他需提交的内容】"));

}
else if(strtype.Find("PASSWORD")!=-1) //获取密码框的值
{
pInputElement->get_value(&value);
CString str(value);
if(!str.IsEmpty())
m_ctrlIE.InsertItem(0, _bstr_t(value) + _bstr_t("  【应该是密码】"));
}
}
}
}
}
}
}

}

}

}
}