网吧计费系统

package netbarfeemanagement; import java.awt.*; import javax.swing.*; import java.util.*; import java.text.SimpleDateFormat; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; public class LoginPanel extends JPanel { public LoginPanel() { try { jbInit(); } catch (Exception exception) { exception.printStackTrace(); } } private void jbInit() throws Exception { this.setLayout(null); jLabel1.setFont(new java.awt.Font("Dialog", Font.BOLD, 16)); jLabel1.setText("机器号码："); jLabel1.setBounds(new Rectangle(60, 29, 89, 27)); jLabel2.setFont(new java.awt.Font("Dialog", Font.BOLD, 16)); jLabel2.setText("卡 号:"); jLabel2.setBounds(new Rectangle(60, 71, 89, 27)); jLabel3.setFont(new java.awt.Font("Dialog ", Font.BOLD, 16)); jLabel3.setText("密 码:"); jLabel3.setBounds(new Rectangle(60, 113, 89, 27)); jLabel4.setFont(new java.awt.Font("Dialog", Font.BOLD, 16)); jLabel4.setText("开始时间:"); jLabel4.setBounds(new Rectangle(60, 155, 89, 27)); comComputerNo.setFont(new java.awt.Font("Dialog", Font.BOLD, 16)); comComputerNo.setBounds(new Rectangle(192, 29, 140, 27)); txtCardNo.setFont(new java.awt.Font("Dialog", Font.BOLD, 16)); txtCardNo.setText(""); txtCardNo.setBounds(new Rectangle(192, 71, 140, 27)); txtPassword.setFont(new java.awt.Font("Dialog", Font.BOLD, 16)); txtPassword.setText(""); txtPassword.setBounds(new Rectangle(191, 113, 140, 27)); txtBeginTime.setFont(new java.awt.Font("Dialog", Font.BOLD, 16)); txtBeginTime.setText(""); txtBeginTime.setBounds(new Rectangle(192, 155, 140, 27)); btnOk.setBounds(new Rectangle(90, 212, 85, 24)); btnOk.setFont(new java.awt.Font("Dialog", Font.BOLD, 16)); btnOk.setText("确 定"); btnOk.addActionListener(new LoginPanel_btnOk_actionAdapter(this)); btnReset.setBounds(new Rectangle(229, 212, 85, 24)); btnReset.setFont(new java.awt.Font("Dialog", Font.BOLD, 16)); btnReset.setText("重 置"); btnReset.addActionListener(new LoginPanel_btnReset_actionAdapter(this)); this.add(txtPassword); this.add(comComputerNo); this.add(txtCardNo); this.add(txtBeginTime); this.add(jLabel4); this.add(jLabel1); this.add(jLabel2); this.add(jLabel3); this.add(btnOk); this.add(btnReset); txtBeginTime.setEnabled(false); setComboBoxValues(); } public void setComboBoxValues(){ DBConnection con = new DBConnection(); Vector v = con.selectComputerNo(0); for(int i=0; i<v.size(); i++){ comComputerNo.addItem(v.get(i)); } } JLabel jLabel1 = new JLabel(); JLabel jLabel2 = new JLabel(); JLabel jLabel3 = new JLabel(); JLabel jLabel4 = new JLabel(); JComboBox comComputerNo = new JComboBox(); JTextField txtCardNo = new JTextField(); JPasswordField txtPassword = new JPasswordField(); JTextField txtBeginTime = new JTextField(); JButton btnOk = new JButton(); JButton btnReset = new JButton(); public void btnOk_actionPerformed(ActionEvent e) { String cardNo = txtCardNo.getText().trim(); if(cardNo.equals("")){ JOptionPane.showConfirmDialog(this, "卡号不能为空,请输入卡号!", "信息", JOptionPane.YES_OPTION, JOptionPane.INFORMATION_MESSAGE); txtCardNo.requestFocus(true); return; } String passwordNo = new String(txtPassword.getPassword()); if(passwordNo.equals("")){ JOptionPane.showConfirmDialog(this, "密码不能为空,请输入密码!", "信息", JOptionPane.YES_OPTION, JOptionPane.INFORMATION_MESSAGE); txtPassword.requestFocus(true); return; } DBConnection con = new DBConnection(); String vpassword = con.selectCardNo(cardNo); if(vpassword == null){ JOptionPane.showConfirmDialog(this, "你输入的卡号有误,请重新输入卡号!", "信息", JOptionPane.YES_OPTION, JOptionPane.INFORMATION_MESSAGE); txtCardNo.requestFocus(true); txtCardNo.setSelectionStart(0); txtCardNo.setSelectionEnd(cardNo.length()); return; } if(!vpassword.equals(passwordNo)){ JOptionPane.showConfirmDialog(this, "输入的密码有误,请重新输入密码!", "信息", JOptionPane.YES_OPTION, JOptionPane.INFORMATION_MESSAGE); txtPassword.requestFocus(true); txtPassword.setSelectionStart(0); txtPassword.setSelectionEnd(passwordNo.length()); return; } if(con.isCardExists(cardNo)){ JOptionPane.showConfirmDialog(this, "卡号不能重复使用!", "警告", JOptionPane.YES_OPTION, JOptionPane.WARNING_MESSAGE); txtCardNo.requestFocus(true); txtCardNo.requestFocus(true); txtCardNo.setSelectionStart(0); txtCardNo.setSelectionEnd(cardNo.length()); return; } DataBean bean = new DataBean(); String machineNo = comComputerNo.getSelectedItem().toString(); Date now = new Date(); SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd kk:mm:ss"); String begintime = df.format(now); txtBeginTime.setText(begintime); ///////////////////////////////////////// bean.setCardNo(cardNo); bean.setMachineNo(machineNo); bean.setBeginTime(begintime); con.loginOperation(bean); comComputerNo.setEnabled(false); System.out.println("登录成功!"); } public void btnReset_actionPerformed(ActionEvent e) { comComputerNo.removeAllItems(); setComboBoxValues(); comComputerNo.setEnabled(true); comComputerNo.setSelectedIndex(0); txtCardNo.setText(""); txtPassword.setText(""); txtBeginTime.setText(""); txtCardNo.requestFocus(true); } } class LoginPanel_btnReset_actionAdapter implements ActionListener { private LoginPanel adaptee; LoginPanel_btnReset_actionAdapter(LoginPanel adaptee) { this.adaptee = adaptee; } public void actionPerformed(ActionEvent e) { adaptee.btnReset_actionPerformed(e); } } class LoginPanel_btnOk_actionAdapter implements ActionListener { private LoginPanel adaptee; LoginPanel_btnOk_actionAdapter(LoginPanel adaptee) { this.adaptee = adaptee; } public void actionPerformed(ActionEvent e) { adaptee.btnOk_actionPerformed(e); } }