在Delphi中动态调用webservice

安装ms SoapToolKit3.0
uses
  comobj;

//---
var
  soap:OleVariant;
begin
  soap:=CreateOleObject('MSSOAP.SoapClient30');
  soap.mssoapinit('http://192.168.1.1/servweb/services/aa.wsdl');
  showmessage( soap.helloworld );
end;