java - Java的smslib:发送消息示例错误

我在Windows计算机中安装了库smslib。我按照smslib.org网站上的所有说明进行库设置。但是，当我尝试运行SendMessage示例时出现错误。

    package examples.modem;

    import org.smslib.AGateway;
    import org.smslib.IOutboundMessageNotification;
    import org.smslib.Library;
    import org.smslib.OutboundMessage;
    import org.smslib.Service;
    import org.smslib.modem.SerialModemGateway;

    public class SendMessage
    {
        public void doIt() throws Exception
        {

            OutboundNotification outboundNotification = new OutboundNotification();
            System.out.println("Example: Send message from a serial gsm modem.");
            System.out.println(Library.getLibraryDescription());
            System.out.println("Version: " + Library.getLibraryVersion());
            SerialModemGateway gateway = new SerialModemGateway("modem.com1", "COM12", 115200, "Huawei", "E303");
            gateway.setInbound(true);
            gateway.setOutbound(true);
            gateway.setSimPin("0000");
            // Explicit SMSC address set is required for some modems.
            // Below is for VODAFONE GREECE - be sure to set your own!
            gateway.setSmscNumber("+xxxxxxxxxxx");
            Service.getInstance().setOutboundMessageNotification(outboundNotification);
            Service.getInstance().addGateway(gateway);
            Service.getInstance().startService();
            System.out.println();
            System.out.println("Modem Information:");
            System.out.println("  Manufacturer: " + gateway.getManufacturer());
            System.out.println("  Model: " + gateway.getModel());
            System.out.println("  Serial No: " + gateway.getSerialNo());
            System.out.println("  SIM IMSI: " + gateway.getImsi());
            System.out.println("  Signal Level: " + gateway.getSignalLevel() + " dBm");
            System.out.println("  Battery Level: " + gateway.getBatteryLevel() + "%");
            System.out.println();
            // Send a message synchronously.
            OutboundMessage msg = new OutboundMessage("xxxxxxxxx", "Hello from SMSLib!");
            Service.getInstance().sendMessage(msg);
            System.out.println(msg);
            // Or, send out a WAP SI message.
            //OutboundWapSIMessage wapMsg = new OutboundWapSIMessage("xxxxxxxx",  new URL("http://www.smslib.org/"), "Visit SMSLib now!");
            //Service.getInstance().sendMessage(wapMsg);
            //System.out.println(wapMsg);
            // You can also queue some asynchronous messages to see how the callbacks
            // are called...
            //msg = new OutboundMessage("xxxxxxxxxxx", "Wrong number!");
            //srv.queueMessage(msg, gateway.getGatewayId());
            //msg = new OutboundMessage("308888888888", "Wrong number!");
            //srv.queueMessage(msg, gateway.getGatewayId());
            System.out.println("Now Sleeping - Hit <enter> to terminate.");
            System.in.read();
            Service.getInstance().stopService();
        }

          public class OutboundNotification implements IOutboundMessageNotification
    {
        public void process(AGateway gateway, OutboundMessage msg)
        {
            System.out.println("Outbound handler called from Gateway: " + gateway.getGatewayId());
            System.out.println(msg);
        }
    }

    public static void main(String args[])
    {
        SendMessage app = new SendMessage();
        try
        {
            app.doIt();
        }
        catch (Exception e)
        {
            e.printStackTrace();
        }
    }
}

错误：

Exception in thread "main" java.lang.Error: Unresolved compilation problems:
The method getInstance() is undefined for the type Service
The method getInstance() is undefined for the type Service
The method getInstance() is undefined for the type Service
The method getInstance() is undefined for the type Service
The method getInstance() is undefined for the type Service

at examples.modem.SendMessage.doIt(SendMessage.java:34)
at examples.modem.SendMessage.main(SendMessage.java:79)

有人可以帮我吗？

最佳答案

清单：-


添加javax.comm.properties，
Win32.dll文件（这些您需要与调制解调器对话）
smslib罐
确保您有兼容的调制解调器。 android智能手机无法正常工作。您可能需要一些内置调制解调器或USB-GSM调制解调器的特定老式型号。
您的包裹中还有其他课程吗？