首先发送请求，然后处理响应。我用.net写的WebService，直接访问，点击方法名称可以看到实例代码，只需要在asp中使用Microsoft.XMLHTTP发送请求，然后处理xml的结果就行了。
要注意Namespace不能写错了。
<%@language=vbscript codepage=936 %><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312" /></head><body><% Dim strxml Dim str '定义soap消息 strxml = "<?xml version='1.0' encoding='utf-8'?>" strxml = strxml & "<soap:Envelope xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xmlns:xsd='http://www.w3.org/2001/XMLSchema' xmlns:soap='http://schemas.xmlsoap.org/soap/envelope/'>" strxml = strxml & "<soap:Body> " strxml = strxml & "<Decrypt xmlns='http://192.168.3.239:8000/3des/'>" strxml = strxml & "<strIn>4Dv5esfHAh0=</strIn>" strxml = strxml & "<strKey>Not.ceNte</strKey>" strxml = strxml & "</Decrypt>" strxml = strxml & "</soap:Body>" strxml = strxml & "</soap:Envelope>" Set h = createobject( "Microsoft.XMLHTTP") '向指定的URL发送Post消息 h.open "POST", "http://192.168.3.239:8000/3des/Service.asmx", False h.setRequestHeader "Content-Type", "text/xml; charset=utf-8" h.setRequestHeader "Content-Length",LEN(strxml) h.setRequestHeader "SOAPAction", "http://192.168.3.239:8000/3des/Decrypt" h.send (strxml) '显示返回的XML信息 If h.Status = 200 Then Set xmlDOC = server.CreateObject("MSXML.DOMDocument") xmlDOC.load(h.responseXML) str = xmlDOC.childNodes(1).Text ''调用SHOWALLNODE '遍历并取出xml中的一个节点 Set Node = xmlDOC.getElementsByTagName("RegionID") 'for x=Node.length-1 to 0 step -1 regMgrID = Node.item(0).Text 'next Set xmlDOC = nothing response.write(str) Else Response.Write h.Status &" " Response.Write h.StatusText End if %> </body></html>