最近公司的产品需要使用ActiveX文件上传。讨论了基本所有的技术，最后还是决定C++搞个ActiveX。。。但上传的回调费了半天劲，才搞定。代码如下
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STDMETHODIMP CFileSelector::TestJSInvoke(VARIANT scriptCallback){ AFX_MANAGE_STATE(AfxGetStaticModuleState());
CComPtr<IDispatch> spCallback;
if(scriptCallback.vt == VT_DISPATCH)
spCallback = scriptCallback.pdispVal;
CComVariant avarParams[1];
CFileDialog dlgFile(TRUE,NULL,NULL,OFN_ALLOWMULTISELECT | OFN_FILEMUSTEXIST,L"所有文件(*.*)|*.*||",NULL,NULL,FALSE);
if(dlgFile.DoModal() == IDOK)
{
avarParams[0] = dlgFile.GetPathName();
}
DISPPARAMS params = { avarParams, NULL,1,0 };
if(spCallback)
spCallback->Invoke(0,
IID_NULL,
LOCALE_USER_DEFAULT,
DISPATCH_METHOD,
¶ms,NULL,NULL,NULL);
return
S_OK;
} |
JS调用方法：
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<script type="text/javascript">
function
OnClick() {
var
activeX = document.getElementById("ActiveX");
activeX.FileExtFilter = "所有文件(*.*)|*.*||";
activeX.TestJSInvoke(function
(e) {
alert(e);
});
return
false;
}
</script>
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