Imports System.Web.Services
Imports System.Web.Services.Protocols
Imports System.ComponentModel<System.Web.Services.WebService(Namespace:="http://tempuri.org/")> _
<System.Web.Services.WebServiceBinding(ConformsTo:=WsiProfiles.BasicProfile1_1)> _
<ToolboxItem(False)> _
<SoapDocumentService(RoutingStyle:=SoapServiceRoutingStyle.RequestElement)> _
Public Class Service1
    Inherits System.Web.Services.WebService<WebMethod()> _
   Public Function HelloWorld(ByVal para_in1 As String, ByVal para_in2 As String) As String
        Try
            Dim s As String = "para_in1:" & para_in1.ToString() & ",para_in2=" & para_in2 & vbCrLf
            My.Computer.FileSystem.WriteAllText("c:\ws.txt", s, True)
            Return s
        Catch ex As Exception
            My.Computer.FileSystem.WriteAllText("c:\ws.txt", "ex:" & ex.ToString() & vbCrLf, True)
            Return ex.ToString()
        End Try
        Return "NO"End Function
End Class

import javax.xml.namespace.QName;import org.apache.axis.client.Call;
import org.apache.axis.client.Service;public class myMain2 {/**
     * @param args
     */
    public static void main(String[] args) {
        // TODO 自动生成方法存根
        InvokeWebservice();
    }
    
    public static void InvokeWebservice()
    {
        try
        {
            /**说明:
               
               http://127.0.0.1:4727/Service1.asmx    表示Dotnet的WebService地址
               http://tempuri.org/     表示命名空间
               HelloWorld             表示调用的函数名
               para_in1                表示 HelloWorld 函数的第一个参数名
               para_in2                表示 HelloWorld 函数的第二个参数名
               
               另:本源码需要引用三个JAR包(axis.jar, jaxrpc.jar, commons-discovery-0.2.jar);
             * */        
            
            String endpoint = "http://127.0.0.1:4727/Service1.asmx";
                
            Service service = new Service();
    
            Call call = (Call) service.createCall();
    
            call.setTargetEndpointAddress(new java.net.URL(endpoint));            
                    
            call.addParameter(new QName("http://tempuri.org/","para_in1"), org.apache.axis.Constants.XSD_STRING,javax.xml.rpc.ParameterMode.IN);
            call.addParameter(new QName("http://tempuri.org/","para_in2"), org.apache.axis.Constants.XSD_STRING,javax.xml.rpc.ParameterMode.IN);
            call.setReturnType(org.apache.axis.Constants.XSD_STRING);
     
            call.setOperationName(new QName("http://tempuri.org/","HelloWorld"));
            call.setUseSOAPAction(true);
            call.setSOAPActionURI("http://tempuri.org/HelloWorld"); 

            String para_in1