// WCF服务端配置
<system.serviceModel>
  <services>
    <service name="MyService">
      <endpoint 
        address=""
        binding="wsHttpBinding"
        bindingConfiguration="SecureWSBinding"
        contract="IMyService" />
    </service>
  </services>
  <bindings>
    <wsHttpBinding>
      <binding name="SecureWSBinding">
        <security mode="Message">
          <message clientCredentialType="UserName" />
        </security>
      </binding>
    </wsHttpBinding>
  </bindings>
</system.serviceModel>

// Java客户端使用JAX-WS调用WCF服务
public class WCFClient {
    public static void main(String[] args) {
        try {
            URL wsdlUrl = new URL("http://server/MyService.svc?wsdl");
            QName serviceName = new QName("http://tempuri.org/", "MyService");
            
            Service service = Service.create(wsdlUrl, serviceName);
            IMyService port = service.getPort(IMyService.class);
            
            // 设置安全凭证
            ((BindingProvider)port).getRequestContext().put(
                BindingProvider.USERNAME_PROPERTY, "username");
            ((BindingProvider)port).getRequestContext().put(
                BindingProvider.PASSWORD_PROPERTY, "password");
                
            // 调用服务方法
            String result = port.someMethod("parameter");
            System.out.println("Result: " + result);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}