wireless toolkit code

//客户端移动的j2me代码
    public class TCPConnectSend extends MIDlet implements CommandListener {
    Display display;

    public TCPConnectSend0 () {
    frm = new Form ("TCPConnectSend0");
    sendCmd = new Command("Send",Command.SCREEN, 1);
    frm.addCommand(sendCmd);
    frm.setCommandListener(this);
    text = new TextField("text:","",40,TextField.ANY);
    frm.append(text);
    }
    public void startApp() {
    if(display==null) {
    display = Display.getDisplay (this);
    }
    display.setCurrent(frm);
    try {
    conn=(SocketConnection)Connector.open("socket://|ip-address|:80");//socket connection to the server

    outs=conn.openOutputStream();
    } catch(IOException e) { }
    }
    public void pauseApp() { }
    public void destroyApp(boolean unconditional) { }
    public void commandAction(Command c, Displayable s) {
    if(c==sendCmd) {
    try {
    outs.write((text.getString()+"\n").getBytes());
    } catch(IOException e) {}
    } else { }
    }
    }

    server code

//这从客户端接收套接字请求
    class TCPServer
    {
       public static void main(String argv[]) throws Exception
          {
             try {
                ServerSocket server = new ServerSocket(80);
        System.out.println("ip address : "+InetAddress.getLocalHost());
        System.out.println("waiting for connection");
        Socket s1 = server.accept();
        System.out.println("connection established");
        BufferedReader br = new BufferedReader(new
InputStreamReader(s1.getInputStream()));
            while (true) {
                String str1 = br.readLine();
            System.out.println("client says :" +str1);
                if (str1.equals("quit"))
                        break;
                }
            } catch (Exception e) {
                e.printStackTrace();
            }
          }
    }

//运行此代码后,我在诺基亚手机中收到一个Java安全异常,其他任何端口号在诺基亚手机中均无响应

最佳答案

发生此问题的原因是,诺基亚在其某些系统应用程序中阻止了80端口号,因此更改端口号以及 public IP地址就可以解决问题

07-24 13:59