未打开框架

Question

package gc;

import static gc.Login.pass; 
import static gc.Login.uname; 
import java.io.BufferedReader; 
import java.io.IOException; 
import java.io.InputStreamReader; 
import java.lang.reflect.InvocationTargetException; 
import java.util.logging.Level; 
import java.util.logging.Logger; 
import org.jivesoftware.smack.Chat; 
import org.jivesoftware.smack.ConnectionConfiguration; 
import org.jivesoftware.smack.MessageListener; 
import org.jivesoftware.smack.XMPPConnection; 
import org.jivesoftware.smack.XMPPException; 
import org.jivesoftware.smack.packet.Message; 

public final class Mymain extends javax.swing.JFrame { 


public static String name = ""; 
public String msg; 

XMPPConnection connection; 
public Mymain() throws NullPointerException,IOException,XMPPException { 
initComponents(); 
welcome.setText(name); 

} 


public Mymain(String username,String password) throws IOException,XMPPException,NullPointerException, InterruptedException, InvocationTargetException { 
ConnectionConfiguration config = new ConnectionConfiguration("talk.google.com",5222, "gmail.com"); 
connection = new XMPPConnection(config); 
connection.connect(); 
connection.login(username,password); 
name = username; 
Mymain setter = new Mymain(); 

java.awt.EventQueue.invokeLater(new Runnable() { 

@Override 
public void run() { 
try { 
new Mymain().setVisible(true); 
} catch (NullPointerException | IOException | XMPPException ex) { 
       Logger.getLogger(Mymain.class.getName()).log(Level.SEVERE, null, ex); 
} 
} 
}); 

begin_chat(); 
} 
public void begin_chat() throws IOException, XMPPException,NullPointerException { 
BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); 

Chat chat = connection.getChatManager().createChat("rssrivandla@gmail.com", new MessageListener() { 

@Override 
public void processMessage(Chat chat, Message msg) { 
if(msg.getType() == Message.Type.chat) 
if (msg != null && msg.getBody() != null) 
System.out.println(chat.getParticipant() + " says: " 
          + (msg != null ? msg.getBody() : "NULL")); 
} 
}); 
while((msg = br.readLine())!=null) { 

chat.sendMessage(msg); 
} 
if(msg.equals("bye")) 
{ 
connection.disconnect(); 
} 
} 



@SuppressWarnings("unchecked") 
// <editor-fold defaultstate="collapsed" desc="Generated Code">       
private void initComponents() { 

jLabel2 = new javax.swing.JLabel(); 
jPanel1 = new javax.swing.JPanel(); 
jLabel1 = new javax.swing.JLabel(); 
welcome = new javax.swing.JLabel(); 
jSeparator1 = new javax.swing.JSeparator(); 
jLabel3 = new javax.swing.JLabel(); 

jLabel2.setText("jLabel2"); 

setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE); 
setTitle("Ch@t Me!"); 
setCursor(new java.awt.Cursor(java.awt.Cursor.DEFAULT_CURSOR)); 
setResizable(false); 

jPanel1.setBackground(new java.awt.Color(0, 255, 204)); 

jLabel1.setFont(new java.awt.Font("Comic Sans MS", 1, 18)); // NOI18N 
jLabel1.setText("Heya,"); 

welcome.setFont(new java.awt.Font("Calibri", 1, 18)); // NOI18N 

jSeparator1.setBackground(new java.awt.Color(0, 0, 0)); 
jSeparator1.setForeground(new java.awt.Color(0, 0, 0)); 

jLabel3.setFont(new java.awt.Font("Comic Sans MS", 1, 18)); // NOI18N 
jLabel3.setText("Buddies Online"); 

javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1); 
jPanel1.setLayout(jPanel1Layout); 
jPanel1Layout.setHorizontalGroup(
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) 
     .addGroup(jPanel1Layout.createSequentialGroup() 
      .addContainerGap() 
      .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) 
       .addGroup(jPanel1Layout.createSequentialGroup() 
        .addComponent(jSeparator1) 
        .addContainerGap()) 
       .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel1Layout.createSequentialGroup() 
        .addGap(0, 61, Short.MAX_VALUE) 
        .addComponent(jLabel1) 
        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) 
        .addComponent(welcome, javax.swing.GroupLayout.PREFERRED_SIZE, 389, javax.swing.GroupLayout.PREFERRED_SIZE) 
        .addGap(67, 67, 67)))) 
     .addGroup(jPanel1Layout.createSequentialGroup() 
      .addGap(57, 57, 57) 
      .addComponent(jLabel3, javax.swing.GroupLayout.PREFERRED_SIZE, 130, javax.swing.GroupLayout.PREFERRED_SIZE) 
      .addContainerGap(398, Short.MAX_VALUE)) 
    ); 
jPanel1Layout.setVerticalGroup(
     jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) 
     .addGroup(jPanel1Layout.createSequentialGroup() 
      .addContainerGap(19, Short.MAX_VALUE) 
      .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) 
       .addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 24, javax.swing.GroupLayout.PREFERRED_SIZE) 
       .addComponent(welcome, javax.swing.GroupLayout.PREFERRED_SIZE, 24, javax.swing.GroupLayout.PREFERRED_SIZE)) 
      .addGap(18, 18, 18) 
      .addComponent(jSeparator1, javax.swing.GroupLayout.PREFERRED_SIZE, 10, javax.swing.GroupLayout.PREFERRED_SIZE) 
      .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) 
      .addComponent(jLabel3, javax.swing.GroupLayout.PREFERRED_SIZE, 32, javax.swing.GroupLayout.PREFERRED_SIZE) 
      .addGap(293, 293, 293)) 
    ); 

    javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane()); 
    getContentPane().setLayout(layout); 
    layout.setHorizontalGroup(
     layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) 
     .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup() 
      .addContainerGap() 
      .addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE) 
      .addContainerGap()) 
    ); 
    layout.setVerticalGroup(
     layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) 
     .addGroup(javax.swing.GroupLayout.Alignment.TRAILING,    layout.createSequentialGroup() 
      .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE) 
      .addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) 
      .addContainerGap()) 
    ); 

    pack(); 
}// </editor-fold>       

public static void main(String args[]) { 

} 
// Variables declaration - do not modify      
private javax.swing.JLabel jLabel1; 
private javax.swing.JLabel jLabel2; 
private javax.swing.JLabel jLabel3; 
private javax.swing.JPanel jPanel1; 
private javax.swing.JSeparator jSeparator1; 
public static javax.swing.JLabel welcome; 
// End of variables declaration     

}

为什么框架是没有得到打开，即使的initComponents（）被调用？当我从参数化的构造函数中删除begin_chat（），框架正在显示...我需要框架与begin_chat函数一起显示工作...所以，任何人都请帮助我..

Answer 1

当我删除从参数化的构造函数，begin_chat（），帧正在显示...

听起来像您的聊天代码阻塞事件调度线程（EDT）。您需要使用此代码在单独的线程中执行，以便GUI自由重新绘制自己并响应用户事件。

请参阅Concurrency的Swing教程中的部分了解更多信息。您可能会使用SwingWorker来处理聊天代码。