我怎么读xml文件的 里的数据啊
我想从以下xml文件中获得<TransactionID>中的值 ,有什么方法呢?
<?xml version='1.0' encoding='UTF-8'?>
<SOAP-ENV:Envelope
xmlns:SOAP-ENV='http://schemas.xmlsoap.org/soap/envelope/'
xmlns:SOAP-ENC='http://schemas.xmlsoap.org/soap/encoding/'
xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance'
xmlns:xsd='http://www.w3.org/2001/XMLSchema'
xmlns:dsmp='http://www.monternet.com/dsmp/schemas/'>
<SOAP-ENV:Header>
<TransactionID>00110100031159</TransactionID>
</SOAP-ENV:Header>
<SyncOrderRelationReq xmlns="http://123.com">
<linkid>a</linkid>
<ActionID>1</ActionID>
<ActionReasonID>2</ActionReasonID>
<SPID>66</SPID>
<SPServiceID>444</SPServiceID>
<AccessMode>2</AccessMode>
<FeatureStr>fdg</FeatureStr>
</SyncOrderRelationReq>
</SOAP-ENV:Envelope>