login.java

P2P聊天系统 该程序是由NetBeans IDE 6.5

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

/*
 * login.java
 *
 * Created on 2009-2-28, 3:01:45
 */

package chatGUI;

import java.awt.event.KeyEvent;
import multicast.MultiCast;

/**
 *
 * @author Administrator
 */
public class login extends javax.swing.JFrame {

    private boolean flag = true;
    private String str = "";

    /** Creates new form login */
    public login() {
        initComponents();
        this.setLocation(400, 200);
        this.setVisible(true);
    }

    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        jPanel1 = new javax.swing.JPanel();
        jLabel1 = new javax.swing.JLabel();
        jtf = new javax.swing.JTextField();
        jButton1 = new javax.swing.JButton();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        jLabel1.setFont(new java.awt.Font("宋体", 0, 18));
        jLabel1.setText("请输入你的用户名：");

        jtf.setFont(new java.awt.Font("宋体", 2, 18)); // NOI18N
        jtf.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jtfActionPerformed(evt);
            }
        });
        jtf.addKeyListener(new java.awt.event.KeyAdapter() {
            public void keyPressed(java.awt.event.KeyEvent evt) {
                jtfKeyPressed(evt);
            }
        });

        jButton1.setFont(new java.awt.Font("宋体", 1, 14));
        jButton1.setText("登入");
        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton1ActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
        jPanel1.setLayout(jPanel1Layout);
        jPanel1Layout.setHorizontalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel1Layout.createSequentialGroup()
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(jPanel1Layout.createSequentialGroup()
                        .addGap(34, 34, 34)
                        .addComponent(jLabel1))
                    .addGroup(jPanel1Layout.createSequentialGroup()
                        .addGap(105, 105, 105)
                        .addComponent(jtf, javax.swing.GroupLayout.PREFERRED_SIZE, 161, javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addGroup(jPanel1Layout.createSequentialGroup()
                        .addGap(151, 151, 151)
                        .addComponent(jButton1)))
                .addContainerGap(105, Short.MAX_VALUE))
        );
        jPanel1Layout.setVerticalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel1Layout.createSequentialGroup()
                .addGap(37, 37, 37)
                .addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 31, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addComponent(jtf, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(41, 41, 41)
                .addComponent(jButton1)
                .addContainerGap(42, Short.MAX_VALUE))
        );

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

        pack();
    }// </editor-fold>//GEN-END:initComponents

    private void jtfActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jtfActionPerformed
        // TODO add your handling code here:
}//GEN-LAST:event_jtfActionPerformed

    private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton1ActionPerformed
        // TODO add your handling code here:
        flag = false;
        str = "login " + jtf.getText();
        //System.out.println(str);
        new MultiCast(str);
        this.dispose();
    }//GEN-LAST:event_jButton1ActionPerformed

    private void jtfKeyPressed(java.awt.event.KeyEvent evt) {//GEN-FIRST:event_jtfKeyPressed
        // TODO add your handling code here:
        if(evt.getKeyCode()==KeyEvent.VK_ENTER){
            flag = false;
            str = "login " + jtf.getText();
            //System.out.println(str);
            new MultiCast(str);
            this.dispose();
        }
    }//GEN-LAST:event_jtfKeyPressed

    public String getusername(){
        return jtf.getText();
    }
    public boolean getflag(){
        return flag;
    }
    /**
    * @param args the command line arguments
    */
    /*public static void main(String args[]) {
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                login lg = new login();
            }
        });
    }*/

    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton jButton1;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JPanel jPanel1;
    private javax.swing.JTextField jtf;
    // End of variables declaration//GEN-END:variables

}