getip.java

本工程模拟网上社区,其中包括银行,软件销售公司,软件投资公司,茶餐馆,和多个服务器.

package client;
import java.net.Socket;
import javax.swing.*;

public class GetIP extends javax.swing.JFrame {
    
    public GetIP() {
        initComponents();
        this.setLocation(450,200);
    }  
    // <editor-fold defaultstate="collapsed" desc=" 生成的代码 ">//GEN-BEGIN:initComponents
    private void initComponents() {
        jPanel1 = new javax.swing.JPanel();
        jButton1 = new javax.swing.JButton();
        jButton2 = new javax.swing.JButton();
        jLabel1 = new javax.swing.JLabel();
        jTextField1 = new javax.swing.JTextField();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        setTitle("\u8f93\u5165\u4e3b\u673aIP");
        jPanel1.setBackground(new java.awt.Color(204, 204, 204));
        jPanel1.setBorder(javax.swing.BorderFactory.createEtchedBorder());
        jButton1.setText("\u786e\u5b9a");
        jButton1.addMouseListener(new java.awt.event.MouseAdapter() {
            public void mouseClicked(java.awt.event.MouseEvent evt) {
                jButton1MouseClicked(evt);
            }
        });

        jButton2.setText("\u53d6\u6d88");
        jButton2.addMouseListener(new java.awt.event.MouseAdapter() {
            public void mouseClicked(java.awt.event.MouseEvent evt) {
                jButton2MouseClicked(evt);
            }
        });

        jLabel1.setText("\u8f93\u5165\u4e3b\u673aIP\uff1a");

        jTextField1.addKeyListener(new java.awt.event.KeyAdapter() {
            public void keyPressed(java.awt.event.KeyEvent evt) {
                jTextField1KeyPressed(evt);
            }
        });

        org.jdesktop.layout.GroupLayout jPanel1Layout = new org.jdesktop.layout.GroupLayout(jPanel1);
        jPanel1.setLayout(jPanel1Layout);
        jPanel1Layout.setHorizontalGroup(
            jPanel1Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
            .add(jPanel1Layout.createSequentialGroup()
                .add(30, 30, 30)
                .add(jLabel1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 83, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED, 46, Short.MAX_VALUE)
                .add(jTextField1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 141, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                .add(32, 32, 32))
            .add(org.jdesktop.layout.GroupLayout.TRAILING, jPanel1Layout.createSequentialGroup()
                .add(45, 45, 45)
                .add(jButton1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 90, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED, 67, Short.MAX_VALUE)
                .add(jButton2, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 86, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                .add(44, 44, 44))
        );
        jPanel1Layout.setVerticalGroup(
            jPanel1Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
            .add(org.jdesktop.layout.GroupLayout.TRAILING, jPanel1Layout.createSequentialGroup()
                .add(33, 33, 33)
                .add(jPanel1Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
                    .add(jLabel1)
                    .add(jTextField1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED, 60, Short.MAX_VALUE)
                .add(jPanel1Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
                    .add(jButton2)
                    .add(jButton1))
                .add(44, 44, 44))
        );

        org.jdesktop.layout.GroupLayout layout = new org.jdesktop.layout.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
            .add(layout.createSequentialGroup()
                .addContainerGap()
                .add(jPanel1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                .addContainerGap(org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
            .add(layout.createSequentialGroup()
                .addContainerGap()
                .add(jPanel1, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                .addContainerGap())
        );
        pack();
    }// </editor-fold>//GEN-END:initComponents

    private void jTextField1KeyPressed(java.awt.event.KeyEvent evt) {//GEN-FIRST:event_jTextField1KeyPressed
        int  key=evt.getKeyCode();
        String ip=jTextField1.getText(); 
        if(key==evt.VK_ENTER)
        {
            if(!ip.equals(""))
            {
                try{
                    Socket socket=new Socket(ip,2009);
                    new Login(socket).setVisible(true);
                    socket=null;
                    this.dispose();
                }
                catch(Exception e)
                {
                    JOptionPane.showMessageDialog(this,"IP不正确，请重新输入");
                    jTextField1.setText("");
                    System.out.println(e.toString());                   
                }  
            }
            else
            {
                JOptionPane.showMessageDialog(this,"请输入主机的IP地址");
            }
        }
    }//GEN-LAST:event_jTextField1KeyPressed

    private void jButton2MouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_jButton2MouseClicked
        this.dispose();
    }//GEN-LAST:event_jButton2MouseClicked

    private void jButton1MouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_jButton1MouseClicked
               String ip=jTextField1.getText();
               if(!ip.equals(""))
               {
                   try{
                       Socket socket=new Socket(ip,2009);
                       new Login(socket).setVisible(true);
                       socket=null;
                       this.dispose();
                   }
                   catch(Exception e)
                   {
                       JOptionPane.showMessageDialog(this,"IP不正确，请重新输入");
                       jTextField1.setText("");
                       System.out.println(e.toString());                   
                   }    
               }
               else
               {
                       JOptionPane.showMessageDialog(this,"请输入主机的IP地址");                   
               }
    }//GEN-LAST:event_jButton1MouseClicked
    
    // 变量声明 - 不进行修改//GEN-BEGIN:variables
    private javax.swing.JButton jButton1;
    private javax.swing.JButton jButton2;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JPanel jPanel1;
    private javax.swing.JTextField jTextField1;
    // 变量声明结束//GEN-END:variables
    public static void main(String args[]) {
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new GetIP().setVisible(true);
            }
        });
    }    
}