dengframe.java

机房网吧刷卡计费

package cn.com.S1t55.killer.view;

import java.awt.BorderLayout;
import java.awt.Dimension;
import javax.swing.JOptionPane;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextField;
import java.awt.*;
import javax.swing.JPasswordField;
import javax.swing.JLabel;
import javax.swing.JButton;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.ArrayList;
import cn.com.S1t55.killer.entity.Card; //导入学员的实体类
import cn.com.S1t55.killer.business.CardBusiness;
import java.awt.event.KeyEvent;
import java.awt.event.KeyAdapter;
import java.awt.Rectangle;
import cn.com.S1t55.killer.entity.Record;
import java.net.InetAddress;
import java.net.*;
import java.util.Date;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import cn.com.S1t55.killer.entity.Computer;
import cn.com.S1t55.killer.business.ComBusiness;
import cn.com.S1t55.killer.view.XiaoFeiFrame;
import cn.com.S1t55.killer.view.ZhuFrame;

/**
 * <p>Title: </p>
 *
 * <p>Description: </p>
 *
 * <p>Copyright: Copyright (c) 2007</p>
 *
 * <p>Company: </p>
 *
 * @author not attributable
 * @version 1.0
 */
public class DengFrame extends JFrame {
    JPanel contentPane;
     int j=0;
    JTextField CardName = new JTextField();
    JPasswordField Cardpassword = new JPasswordField();
    JLabel a = new JLabel();
    JLabel jLabel2 = new JLabel();
    JButton btnTui = new JButton();
    JButton btnDeng = new JButton();
    public DengFrame() {
        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("网吧登陆");
        CardName.setText("");
        CardName.setBounds(new Rectangle(156, 51, 195, 33));
        CardName.addKeyListener(new DengFrame_CardName_keyAdapter(this));
        Cardpassword.setText("");
        Cardpassword.setBounds(new Rectangle(157, 110, 194, 30));
        Cardpassword.addActionListener(new DengFrame_Cardpassword_actionAdapter(this));
        Cardpassword.addKeyListener(new DengFrame_Cardpassword_keyAdapter(this));
        a.setFont(new java.awt.Font("Dialog", Font.PLAIN, 14));
        a.setText("用户名");
        a.setBounds(new Rectangle(72, 49, 83, 35));
        jLabel2.setFont(new java.awt.Font("Dialog", Font.PLAIN, 14));
        jLabel2.setToolTipText("");
        jLabel2.setText("密码");
        jLabel2.setBounds(new Rectangle(70, 107, 86, 30));
        btnTui.setBounds(new Rectangle(254, 212, 92, 30));
        btnTui.setFont(new java.awt.Font("Dialog", Font.PLAIN, 14));
        btnTui.setText("退出");
        btnTui.addKeyListener(new DengFrame_jButton2_keyAdapter(this));
        btnTui.addActionListener(new DengFrame_jButton2_actionAdapter(this));
        btnDeng.setBounds(new Rectangle(102, 213, 92, 30));
        btnDeng.setFont(new java.awt.Font("Dialog", Font.PLAIN, 14));
        btnDeng.setText("登陆");
        btnDeng.addActionListener(new DengFrame_jButton1_actionAdapter(this));
        contentPane.add(CardName);
        contentPane.add(Cardpassword);
        contentPane.add(a);
        contentPane.add(jLabel2);
        contentPane.add(btnTui);
        contentPane.add(btnDeng);
        Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
        Dimension frameSize = this.getSize();
        if (frameSize.height > screenSize.height) {
            frameSize.height = screenSize.height;
        }
        if (frameSize.width > screenSize.width) {
            frameSize.width = screenSize.width;
        }
        this.setLocation((screenSize.width - frameSize.width) / 2,
                         (screenSize.height - frameSize.height) / 2);

    }

    public void jButton2_actionPerformed(ActionEvent e) {
        ZhuFrame f = new ZhuFrame();
        f.setVisible(true);
        this.setVisible(false);

    }

    public void jButton1_actionPerformed(ActionEvent e) {
        String a = (String) CardName.getText();
        String b = new String(Cardpassword.getPassword());
        //记录错误
        if (a.length() == 0 || b.length() == 0) {
            javax.swing.JOptionPane.showMessageDialog(this,
                    "帐户和密码不能为空！");
            return;
        }

        Card stu = new Card();
        stu.setId(a);
        stu.setPassword(b);
        ArrayList arr = CardBusiness.Dselect(stu);

        if (!arr.isEmpty()) {
            javax.swing.JOptionPane.showMessageDialog(this,
                    "欢迎普通用户使用本系统！");
            Card stu1 = new Card();
            Record.cardId = a; //存卡ID
            stu1.setId(a);
            /*查询卡的余额*/
            ArrayList arr1 = CardBusiness.select(stu1);
            for (int i = 0; i < arr1.size(); i++) {
                stu1 = (Card) arr1.get(i);
            }
            double tall = stu1.getBalance();

            try {
                InetAddress add = InetAddress.getLocalHost();
                //getHostAddress()方法获取本机的IP地址
                String id = add.getHostAddress();
                String name = add.getHostName();
                Record.computerId = name; //存机器ID
                /*更新机器表为使用*/
                Computer gen = new Computer();
                gen.setId(name);
                gen.setOnUse(1);
                gen.setNotes("使用");
                ComBusiness.update(gen);

            } catch (UnknownHostException ex) {
                System.out.println("有错误发生了!" + ex.getMessage());
            }
            /*获得当前时间*/
            Date Time = new Date();
            SimpleDateFormat df;
            df = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
            String bs = df.format(Time);
            Record.beginTime = bs; //存上机时间
            Record.balance = tall; //存卡余
            if (Record.balance < 0.7) {
                javax.swing.JOptionPane.showMessageDialog(this,
                        "你的卡余额不足！请充值！");
                this.CardName.setText(""); //setText清空文本框中的文本。
                this.Cardpassword.setText("");
                this.CardName.requestFocus();

                return;
            }
            /*转换到计费页面，隐藏本页面。*/
            XiaoFeiFrame f = new XiaoFeiFrame();
            f.setVisible(true);
            this.setVisible(false);
        }

        else {
            JLabel lf = new JLabel("错误的用户名和密码!");
            lf.setFont(new java.awt.Font("Dialog", Font.PLAIN, 14));
            JOptionPane.showMessageDialog(null, lf, "消息提示",
                                          JOptionPane.INFORMATION_MESSAGE);
            if (j == 3) {
                javax.swing.JOptionPane.showMessageDialog(this,
                        "密码错误3次数！");
                this.setVisible(false);
                ZhuFrame f = new ZhuFrame();
                f.setVisible(true);

            }

            j++;
            this.CardName.setText(""); //setText清空文本框中的文本。
            this.Cardpassword.setText("");
            this.CardName.requestFocus(); //requestFocus方法用来设置焦点。
        }

    }

    public void CardName_keyPressed(KeyEvent e) {
        if (e.getKeyCode() == KeyEvent.VK_ENTER) {
            Cardpassword.requestFocus();
        }
    }


    public void Cardpassword_keyPressed(KeyEvent e) {
        if (e.getKeyCode() == KeyEvent.VK_ENTER) {
            btnDeng.requestFocus();
        }
    }

    public void Cardpassword_actionPerformed(ActionEvent e) {

    }

    public void jButton2_keyPressed(KeyEvent e) {
        if (e.getKeyCode() == KeyEvent.VK_ENTER) {
            btnTui.doClick();
        }
    }
}


class DengFrame_Cardpassword_actionAdapter implements ActionListener {
    private DengFrame adaptee;
    DengFrame_Cardpassword_actionAdapter(DengFrame adaptee) {
        this.adaptee = adaptee;
    }

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


class DengFrame_Cardpassword_keyAdapter extends KeyAdapter {
    private DengFrame adaptee;
    DengFrame_Cardpassword_keyAdapter(DengFrame adaptee) {
        this.adaptee = adaptee;
    }

    public void keyPressed(KeyEvent e) {
        adaptee.Cardpassword_keyPressed(e);
    }
}


class DengFrame_jButton1_actionAdapter implements ActionListener {
    private DengFrame adaptee;
    DengFrame_jButton1_actionAdapter(DengFrame adaptee) {
        this.adaptee = adaptee;
    }

    public void actionPerformed(ActionEvent e) {

        adaptee.jButton1_actionPerformed(e);
    }
}


class DengFrame_CardName_keyAdapter extends KeyAdapter {
    private DengFrame adaptee;
    DengFrame_CardName_keyAdapter(DengFrame adaptee) {
        this.adaptee = adaptee;
    }

    public void keyPressed(KeyEvent e) {
        adaptee.CardName_keyPressed(e);
    }
}


class DengFrame_jButton2_actionAdapter implements ActionListener {
    private DengFrame adaptee;
    DengFrame_jButton2_actionAdapter(DengFrame adaptee) {
        this.adaptee = adaptee;
    }

    public void actionPerformed(ActionEvent e) {

        adaptee.jButton2_actionPerformed(e);
    }
}


class DengFrame_jButton2_keyAdapter extends KeyAdapter {
    private DengFrame adaptee;
    DengFrame_jButton2_keyAdapter(DengFrame adaptee) {
        this.adaptee = adaptee;
    }

    public void keyPressed(KeyEvent e) {
        adaptee.jButton2_keyPressed(e);
    }
}