Java - GUI를 활용한 Server와 Client 활용
2020. 7. 29. 22:48ㆍJava
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package chat;
import javax.swing.JFrame;
import javax.swing.JTextArea;
import javax.swing.JTextField;
import java.awt.Color;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.SwingConstants;
public class SimpleChatServer extends JFrame {
private JTextField textField;
JTextArea textArea ;
public SimpleChatServer(){
showFrame();
}
public void showFrame() {
setTitle("1:1 채팅 서버");
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setBounds(400, 400, 500, 300);
getContentPane().setLayout(null);
textArea = new JTextArea();
textArea.setEditable(false);
textArea.setBackground(Color.LIGHT_GRAY);
textArea.setBounds(0, 21, 484, 208);
getContentPane().add(textArea);
textField = new JTextField();
textField.setBounds(0, 230, 390, 31);
getContentPane().add(textField);
textField.setColumns(10);
JButton btnInput = new JButton("입력");
btnInput.setBackground(Color.YELLOW);
btnInput.setForeground(Color.BLUE);
btnInput.setBounds(387, 230, 97, 31);
getContentPane().add(btnInput);
JPanel panel = new JPanel();
panel.setBounds(0, 0, 484, 22);
getContentPane().add(panel);
JLabel lblStatus = new JLabel("클라이언트 연결 상태 : ");
lblStatus.setForeground(Color.RED);
panel.add(lblStatus);
textField.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
sendMessage();
}
});
setVisible(true);
}
public void sendMessage() {
String text=textField.getText();
textArea.append(text+"\n");
textField.setText("");
textField.requestFocus();
}
public static void main(String[] args) {
new SimpleChatServer();
}
}
package chat;
import java.awt.Color;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JTextArea;
import javax.swing.JTextField;
import javax.swing.SwingConstants;
import javax.swing.JPanel;
public class SimpleChatClient extends JFrame{
private JTextField textField;
JTextArea textArea;
public SimpleChatClient() {
showFrame();
}
public void showFrame() {
setTitle("1:1 채팅 클라이언트");
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setBounds(1200, 400, 500, 300);
getContentPane().setLayout(null);
textArea = new JTextArea();
textArea.setEditable(false);
textArea.setBackground(Color.LIGHT_GRAY);
textArea.setBounds(0, 24, 484, 205);
getContentPane().add(textArea);
textField = new JTextField();
textField.setBounds(0, 230, 390, 31);
getContentPane().add(textField);
textField.setColumns(10);
JButton btnInput = new JButton("입력");
btnInput.setForeground(Color.BLUE);
btnInput.setBackground(Color.YELLOW);
btnInput.setBounds(387, 230, 97, 31);
getContentPane().add(btnInput);
JPanel panel = new JPanel();
panel.setBounds(0, 0, 484, 22);
getContentPane().add(panel);
JLabel lblStatus = new JLabel("서버 연결 상태 : ");
lblStatus.setForeground(Color.RED);
panel.add(lblStatus);
textField.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
sendMessage();
}
});
setVisible(true);
}
public void sendMessage() {
String text=textField.getText();
textArea.append(text+"\n");
textField.setText("");
textField.requestFocus();
}
public static void main(String[] args) {
new SimpleChatClient();
}
}
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cs |
GUI를 활용해서 1:1 채팅이 가능하도록 만들어 보았다. Absolute Layout를 사용했는데 다음엔 BorderLayout을 사용해 보아야겠다. 엔터키로 채팅을 적용시키고 싶으면 버튼에 ActionListener를 걸지 말고 TextField에 걸어야 가능하다.
간단한 것이니 잊어먹지 않게 기억해 둬야 겠다.
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