Soap 使用ONVIF从IP摄像机的SD卡获取记录的数据

我想使用ONVIF和我找到的从IP摄像机（支持ONVIF配置文件G）本地存储（SD卡）导出录制的视频

ExportRecordedData（）

方法。但是我找不到这个函数的任何例子。我想用SOAP格式发布这个函数。如何实现SOAP消息？如何填写指定的问号字段

(post uri:http://camIP/onvif/Recording) 
    <s:Envelope xmlns:s="http://www.w3.org/2003/05/soap-envelope">
    <s:Header>
        <Security s:mustUnderstand="1" xmlns="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd">
            <UsernameToken>
                <Username>*****</Username>
                <Password Type="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-username-token-profile-1.0#PasswordDigest">*****</Password>
                <Nonce EncodingType="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-soap-message-security-1.0#Base64Binary">*****</Nonce>
                <Created xmlns="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd">*****</Created>
            </UsernameToken>
        </Security>
    </s:Header>
    <s:Body xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xmlns:xsd='http://www.w3.org/2001/XMLSchema' xmlns:xs='http://www.w3.org/2001/XMLSchema' xmlns:tt="http://www.onvif.org/ver10/schema">
        <ExportRecordedData xmlns='http://www.onvif.org/ver10/recording/wsdl/ExportRecordedData'>
            <tt:SearchScope xmlns='http://www.onvif.org/ver10/recording/wsdl'>
                <tt:IncludingSources>
                    <tt:Type>???</tt:Type>
                    <tt:Token>???</tt:Token>
                </tt:IncludingSources>
                <tt:IncludedRecordings>???</tt:IncludedRecordings>
                <tt:RecordingInformationFilter>???</tt:RecordingInformationFilter>
            </tt:SearchScope>
            <xs:FileFormat xmlns='http://www.onvif.org/ver10/recording/wsdl'>???</xs:FileFormat>
            <tt:StorageDestination xmlns='http://www.onvif.org/ver10/recording/wsdl'>
                <tt:StorageToken>???</tt:StorageToken>
            </tt:StorageDestination>
        </ExportRecordedData>
    </s:Body>
</s:Envelope>

（发布uri:http://camIP/onvif/Recording) 
*****
*****
*****
*****
???
???
???
???
???
???