java银行管理系统(实训项目)

package customerFinance; import java.awt.Color; import java.awt.Font; import java.awt.HeadlessException; import java.awt.event.*; import java.sql.ResultSet; import java.sql.SQLException; import java.text.SimpleDateFormat; import java.util.Date; //import java.util.regex.Matcher; //import java.util.regex.Pattern; import javax.swing.*; import DataMethod.DataBase; import DataMethod.Regex; ; /** * * @author Bondy Zhou * */ public class Transfer extends JPanel implements ActionListener { private JLabel[] jlArray = { new JLabel("输入您的卡号"), new JLabel("输入您的密码"), new JLabel("输入对方的卡号"), new JLabel("再次输入对方卡号"), new JLabel("转账数额"), new JLabel("转账日期") }; private JLabel[] jlArray2 = { new JLabel("卡号是0-9之间10为的数字"), new JLabel("密码是0-9之间的6位数字 "), new JLabel("卡号是0-9之间10为的数字"), new JLabel("卡号是0-9之间10为的数字"), new JLabel("金额是0-9之间的数字") }; private JTextField[] jtfArray = { new JTextField(), new JTextField(), new JTextField(), new JTextField(), new JTextField() }; private JPasswordField jpf = new JPasswordField(); private JButton[] jbArray = { new JButton("验 证"), new JButton("提 交"), new JButton("重 置") }; private DataBase db = null; public Transfer() { this.initialFrame(); this.addListener(); } public void initialFrame() { this.setLayout(null); for (int i = 0; i < jlArray.length; i++) { jlArray[i].setBounds(30, 20 + 50 * i, 180, 35); jlArray[i].setFont(new Font("华文行楷", Font.ITALIC + Font.BOLD, 16)); this.add(jlArray[i]); } for (int i = 0; i < jlArray2.length; i++) { jlArray2[i].setBounds(400, 20 + 50 * i, 200, 35); jlArray2[i].setForeground(Color.RED); jlArray2[i].setFont(new Font("华文行楷", Font.BOLD, 16)); this.add(jlArray2[i]); } jtfArray[0].setBounds(170, 20, 200, 35); jtfArray[0].setFont(new Font("宋体", Font.BOLD, 16)); this.add(jtfArray[0]); jpf.setBounds(170, 70, 200, 35); jpf.setFont(new Font("宋体", Font.BOLD, 16)); this.add(jpf); for (int i = 1; i < jtfArray.length; i++) { jtfArray[i].setBounds(170, 20 + 50 * (i + 1), 200, 35); jtfArray[i].setFont(new Font("宋体", Font.BOLD, 16)); this.add(jtfArray[i]); jtfArray[i].setEditable(false); jtfArray[i].addActionListener(this); } // 构造注册日期 Date date = new Date(); SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); jtfArray[4].setText(sdf.format(date)); jtfArray[4].setEditable(false); for (int i = 0; i < jbArray.length; i++) { jbArray[i].setBounds(40 + i * 120, 320, 100, 40); jbArray[i].setFont(new Font("宋体", Font.BOLD, 16)); this.add(jbArray[i]); jbArray[i].addActionListener(this); } jbArray[1].setEnabled(false); this.setBackground(Color.CYAN); //设置背景为青色 } public void addListener() { jtfArray[0].addActionListener(this); jpf.addActionListener(this); } public void actionPerformed(ActionEvent e) { db = new DataBase(); String sql = null; String message = null; String yourCard = jtfArray[0].getText().trim(); String pwd = new String(jpf.getPassword()).trim(); String hisCard = jtfArray[1].getText().trim(); String confirmCard = jtfArray[2].getText().trim(); String transferMoney = jtfArray[3].getText().trim(); String transferDate = jtfArray[4].getText().trim(); Regex r = new Regex(); ResultSet rs = null; // 增强键盘的可用性，自动移动光标 if (e.getSource() == jtfArray[0]) { jpf.requestFocus(true); } if (e.getSource() == jtfArray[1]) { jtfArray[2].requestFocus(true); } else if (e.getSource() == jtfArray[2]) { jtfArray[3].requestFocus(true); } else if (e.getSource() == jbArray[2]) { for (int i = 0; i < jtfArray.length; i++) { if (i == 0) { jtfArray[i].setEditable(true); jpf.setEditable(true); jtfArray[i].requestFocus(true); jtfArray[i].setText(""); } else if(i == 4) { return; } else { jpf.setText(""); jtfArray[i].setText(""); jtfArray[i].setEditable(false); } } jpf.setText(""); jpf.setEditable(true); jbArray[0].setEnabled(true); jbArray[1].setEnabled(false); } else if (e.getSource() == jpf || e.getSource() == jbArray[0]) { if (yourCard.equals("")) { jtfArray[0].requestFocus(true); // 将光标转到该文本框 JOptionPane.showMessageDialog(this, "请输入卡号", "提示", JOptionPane.INFORMATION_MESSAGE); return; } else if (!r.checkCusId(yourCard)) { jtfArray[0].requestFocus(true); // 将光标转到该文本框 JOptionPane.showMessageDialog(this, "卡号是0-9的10位数字", "提示", JOptionPane.INFORMATION_MESSAGE); return; } else if (pwd.equals("")) { jpf.requestFocus(true); // 将光标转到该文本框 JOptionPane.showMessageDialog(this, "请输入密码", "提示", JOptionPane.INFORMATION_MESSAGE); return; } else if (!r.checkCusPwd(pwd)) { jpf.requestFocus(true); // 将光标转到该文本框 JOptionPane.showMessageDialog(this, "密码只能是6位0-9的整数", "提示", JOptionPane.INFORMATION_MESSAGE); return; } // 得到顾客表中你的的余额信息 sql = "select cusLeftMoney from customer where cusCard = '" + yourCard + "'and cusPassword = '" + pwd + "'"; rs = db.selectDb(sql); try { if (rs.next()) { String str = rs.getString(1); // 得到customer中的余额 double yourMoney = Double.parseDouble(str.trim()); if (yourMoney < 10.0) { jtfArray[0].setText(""); jpf.setText(""); jtfArray[0].requestFocus(true); JOptionPane.showMessageDialog(this, "您的已余额不足，转账失败", "错误", JOptionPane.ERROR_MESSAGE); return; } else { int i = JOptionPane.showConfirmDialog(this, "你的余额为" + str +"元\n请输入转账金额","询问",JOptionPane.YES_NO_OPTION); //判断是否为该用户，然后进行相应的操作 if(i == JOptionPane.YES_OPTION) { jtfArray[1].requestFocus(true); jpf.setEditable(false); for(int j=0; j<jtfArray.length; j++) { if(j==0 || j==4) { jtfArray[j].setEditable(false); } else { jtfArray[j].setEditable(true); } } jbArray[0].setEnabled(false); jbArray[1].setEnabled(true); } else { jtfArray[0].requestFocus(true); } } } else { JOptionPane.showMessageDialog(this, "请检查卡号或密码是否正确", "错误", JOptionPane.ERROR_MESSAGE); return; } } catch (NumberFormatException e1) { e1.printStackTrace(); } catch (HeadlessException e1) { e1.printStackTrace(); } catch (SQLException e1) { e1.printStackTrace(); } finally { db.dbClose(); } } else if (e.getSource() == jtfArray[3] || e.getSource() == jbArray[1]) { int i = 0; int j = 0; int k = 0; int a = 0; int b = 0; // 判断输入的情况是否符合实际情况 if (hisCard.equals("")) { jtfArray[1].requestFocus(true); // 将光标转到该文本框 JOptionPane.showMessageDialog(this, "请输入对方的卡号", "提示", JOptionPane.INFORMATION_MESSAGE); return; } else if (!r.checkCusId(hisCard)) { jtfArray[1].requestFocus(true); // 将光标转到该文本框 JOptionPane.showMessageDialog(this, "卡号是0-9的10位数字", "提示", JOptionPane.INFORMATION_MESSAGE); return; } else if (confirmCard.equals("")) { jtfArray[2].requestFocus(true); // 将光标转到该文本框 JOptionPane.showMessageDialog(this, "确认卡号不能为空", "提示", JOptionPane.INFORMATION_MESSAGE); return; } else if (!r.checkCusId(confirmCard)) { jtfArray[2].requestFocus(true); // 将光标转到该文本框 JOptionPane.showMessageDialog(this, "卡号是0-9的10位数字", "提示", JOptionPane.INFORMATION_MESSAGE); return; } else if (!confirmCard.equals(hisCard