如何构置类似这样的数据包发给某个网页进行请求,并拿到它的处理结果?

//---------------------------UnSubscribeServiceReq---------------------POST /dsmp/dsmp.wsdl HTTP/1.0Host: 211.136.89.99Content-Type: text/xml; charset=utf-8Content-Length: 1243SOAPAction:"sim.SubscribeService"<?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" SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" xmlns="http://www.monternet.com/dsmp/schemas/">
<SOAP-ENV:Header>
<TransactionID xmlns="http://www.monternet.com/dsmp/schemas/" xsi:type="xsd:string">9990000000001</TransactionID>
</SOAP-ENV:Header>
<SOAP-ENV:Body>
<UnSubscribeServiceReq xmlns="http://www.monternet.com/dsmp/schemas/"><Version>1.5.0</Version><MsgType>UnSubscribeServiceReq</MsgType><Send_Address><DeviceType>400</DeviceType><DeviceID>901000</DeviceID></Send_Address><Dest_Address><DeviceType>0</DeviceType><DeviceID>999</DeviceID></Dest_Address><FeeUser_ID><UserIDType>1</UserIDType><MSISDN>13980000149</MSISDN><PseudoCode /></FeeUser_ID><DestUser_ID><UserIDType>1</UserIDType><MSISDN>13980000149</MSISDN><PseudoCode /></DestUser_ID><Service_ID><ServiceIDType>1</ServiceIDType><SPID>901000</SPID><SPServiceID>-DG</SPServiceID><AccessNo /><FeatureStr /></Service_ID><FeatureStr /></UnSubscribeServiceReq>
</SOAP-ENV:Body>
</SOAP-ENV:Envelope>