我正在寫一個RMI聊天程序。在我的程序中,我能夠接收和發送消息,但我無法在TextArea中顯示它。我不確定錯誤是什麼。我也試過使用Event Dispatch方法。它沒有幫助。更新jTextArea的問題
public class client extends javax.swing.JFrame implements inter {
public client() {
initComponents();
}
private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
try {
final inter i = (inter) Naming.lookup("rmi://localhost:1111/client1");
final String msg = jTextField1.getText();
if (msg.length() > 0) {
jTextArea1.append("Me :" + msg);
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
try {
i.rcvMsg("Client 1 : " + msg);
} catch (RemoteException ex) {
}
}
});
}
} catch (RemoteException ex) {
} catch (NotBoundException ex) {
} catch (MalformedURLException ex) {
}
}
public void rcvMsg(String msg) {
final String s = msg;
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
System.out.println("server called");
System.out.println(s);
jTextArea1.append(s);
System.out.println("client msg" + java.awt.EventQueue.isDispatchThread());
jTextArea1.update(jTextArea1.getGraphics());
}
});
}
public static void main(String args[]) {
try {
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new client().setVisible(true);
}
});
client c2 = new client();
inter stub = (inter) UnicastRemoteObject.exportObject(c2, 0);
Registry registry = LocateRegistry.createRegistry(1113);
registry.bind("client2", stub);
} catch (AlreadyBoundException ex) {
} catch (AccessException ex) {
} catch (RemoteException ex) {
}
}
}
請幫助...
也許你空的catch語句隱藏了一些信息? – 2010-10-18 06:18:13
nope ...我剛剛刪除了代碼,以便在stackoverflow中發帖。 – rgksugan 2010-10-18 06:31:09