chat_client.java

简单java聊天室

import java.awt.BorderLayout;
import java.awt.Dimension;

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JLabel;
import java.awt.*;
import javax.swing.JButton;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

public class chat_client extends JFrame {
    JPanel contentPane;
    JLabel jLabel1 = new JLabel();
    JLabel jLabel2 = new JLabel();
    JButton jButton1 = new JButton();
    JButton jButton2 = new JButton();
    public chat_client() {
        try {
            setDefaultCloseOperation(EXIT_ON_CLOSE);
            jbInit();
        } catch (Exception exception) {
            exception.printStackTrace();
        }
    }

    /**
     * Component initialization.
     *
     * @throws java.lang.Exception
     */
    private void jbInit() throws Exception {
        contentPane = (JPanel) getContentPane();
        contentPane.setLayout(null);
        setSize(new Dimension(400, 300));
        setTitle("login");
        jLabel1.setFont(new java.awt.Font("Dialog", Font.PLAIN, 14));
        jLabel1.setText("基于SCOKET的聊天室");
        jLabel1.setBounds(new Rectangle(130, 24, 237, 64));
        jLabel2.setFont(new java.awt.Font("Dialog", Font.PLAIN, 13));
        jLabel2.setToolTipText("");
        jLabel2.setText("陈益旺、邓大维、杜凯、蒋霞、李穗生、林子欣、潘嘉俊、翁敦龙");
        jLabel2.setBounds(new Rectangle(14, 185, 392, 81));
        jButton1.setBounds(new Rectangle(78, 103, 80, 39));
        jButton1.setFont(new java.awt.Font("Dialog", Font.PLAIN, 14));
        jButton1.setText("登陆");
        jButton1.addActionListener(new chat_client_jButton1_actionAdapter(this));
        jButton2.setBounds(new Rectangle(215, 103, 76, 37));
        jButton2.setFont(new java.awt.Font("Dialog", Font.PLAIN, 14));
        jButton2.setText("退出");
        jButton2.addActionListener(new chat_client_jButton2_actionAdapter(this));
        contentPane.add(jLabel2);
        contentPane.add(jLabel1);
        contentPane.add(jButton2);
        contentPane.add(jButton1);
    }

    public void jButton2_actionPerformed(ActionEvent e) {
    this.dispose();
    }

    public void jButton1_actionPerformed(ActionEvent e) {
    login_frame login =new login_frame();
    login.setSize(400,300);
    login.setTitle("基于SCOKET的聊天室");
    Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
    Dimension frameSize = login.getSize();
        if (frameSize.height > screenSize.height) {
            frameSize.height = screenSize.height;
        }
        if (frameSize.width > screenSize.width) {
            frameSize.width = screenSize.width;
        }
        login.setLocation((screenSize.width - frameSize.width) / 2,
                          (screenSize.height - frameSize.height) / 2);
        login.setVisible(true);
        try {
            jbInit();
        } catch (Exception ex) {
            ex.printStackTrace();
        }

    login.setVisible(true);
    this.dispose();
    }
}


class chat_client_jButton1_actionAdapter implements ActionListener {
    private chat_client adaptee;
    chat_client_jButton1_actionAdapter(chat_client adaptee) {
        this.adaptee = adaptee;
    }

    public void actionPerformed(ActionEvent e) {

        adaptee.jButton1_actionPerformed(e);
    }
}


class chat_client_jButton2_actionAdapter implements ActionListener {
    private chat_client adaptee;
    chat_client_jButton2_actionAdapter(chat_client adaptee) {
        this.adaptee = adaptee;
    }

    public void actionPerformed(ActionEvent e) {
        adaptee.jButton2_actionPerformed(e);
    }
}