Java-银行管理系统源代码

Java小型银行管理系统源代码（图形界面）

accounts.java

package Account;

public class accounts { protected int id;//银行账号 protected String password;//用户密码 protected String name;//用户型号 protected String personId;//身份账号 protected int accountType;//账号类型，0代表储蓄卡，1代表信用卡 protected double balance;//账户余额。之所以定义为protected是让他的子类可以直接用，不需要通过方法来赋值。 protected double ceiling; public String getPassword(){ return password; } public void setPassword(String password){ this.password=password; } public String getName(){ return name; } public void setName(String name){ this.name=name; } public String getPersonId(){ return personId; } public void setPersonId(String personId){ this.personId=personId; } public int getAccountType(){ return accountType; }

public void setAccountType(int accountType){ this.accountType=accountType; }

public double getBalance(){ return balance; }

public void setBalance(double balance){ this.balance=balance; }

public int getId(){ return id; }

public void setId(int id){ this.id=id; }

public double getCeiling(){ return ceiling; }

public void setCeiling(double ceiling){ this.ceiling=ceiling; }

//无参数构造方法 public accounts(){ }

//构造方法

public accounts(String password,String name,String personId,int accountType, double balance,double ceiling){ super(); this.password=password; this.name=name; this.personId=personId; this.accountType=accountType; this.balance=balance; this.ceiling=ceiling; }

}

//存款

public void deposit(double money){ balance+=money; }

//取款

public void withdraw(double money){ if(accountType==1){ if((balance+ceiling)

System.out.println(\对不起，已超出您的信用额度！\ } else{ balance-=money; } }else{ if(balance

System.out.println(\对不起，账户余额不足！\}else{ balance-=money; }

DBoper.java

package DB;

import java.sql.*;

import java.util.ArrayList;

import Account.accounts;

public class DBoper { private Connection conn = null; private Statement st = null; private PreparedStatement pstmt = null; private ResultSet rs = null; private ArrayList result; //连接数据库

public Connection getConnection(){ try{ Class.forName(\ conn=DriverManager.getConnection(\e=true&characterEncoding=utf8\ }catch(Exception e){ System.out.println(\数据库连接失败\ } return conn; } //修改删除用户数据 public boolean accountDataUpdate(String sql){ conn=getConnection(); try{ pstmt=conn.prepareStatement(sql); pstmt.executeUpdate(); //System.out.println(\数据更新成功\ conn.close(); return true; }catch(SQLException e){ e.printStackTrace(); //System.out.println(\更新失败\ return false; } } //依据id来修改记录 public boolean dataupdateid(accounts user, int id) { conn = getConnection(); try { String sql = \account username=?,userpwd=?,personId=?,accountType=?,balance=?,ceiling=? where id=\ + id; pstmt = conn.prepareStatement(sql); pstmt.setString(1, user.getName()); pstmt.setString(2, user.getPassword()); pstmt.setString(3, user.getPersonId()); pstmt.setInt(4, user.getAccountType()); pstmt.setDouble(5, user.getBalance()); pstmt.setDouble(6, user.getCeiling()); pstmt.executeUpdate();

set

System.out.println(\操作成功\ return true;

}

catch (SQLException e) { e.printStackTrace(); System.out.println(\操作失败\ return false; } }

//插入用户数据 public boolean accountDataInsert(accounts account){ conn=getConnection(); try{ pstmt=conn.prepareStatement(\into

(username,userpwd,personId,accountType,balance,ceiling) values (?,?,?,?,?,?)\ pstmt.setString(1, account.getName()); pstmt.setString(2, account.getPassword()); pstmt.setString(3, account.getPersonId()); pstmt.setInt(4, account.getAccountType()); pstmt.setDouble(5, account.getBalance()); pstmt.setDouble(6, account.getCeiling()); pstmt.executeUpdate(); System.out.println(\新用户数据插入成功\ conn.close(); return true;

}catch(SQLException e){ e.printStackTrace(); System.out.println(\插入失败\ return false;

}

}

//查询数据

public ResultSet dataquery(String sql) { conn = getConnection(); try { pstmt = conn.prepareStatement(sql); rs = pstmt.executeQuery();

}

account

catch (SQLException e) { e.printStackTrace(); System.out.println(\检索失败\ } return rs; }

public ResultSet testlist() {

try { String sql = \ pstmt = conn.prepareStatement(sql); System.out.println(sql); rs = pstmt.executeQuery(); } catch (SQLException e) { e.printStackTrace(); System.out.println(\检索失败\}

return rs;

}

public ArrayList testt(int id) { ArrayList list = new ArrayList(); conn = getConnection(); try { String sql = \ pstmt = conn.prepareStatement(sql); rs = pstmt.executeQuery(); while (rs.next()) { accounts user = new accounts(); user.setName(rs.getString(\ user.setPassword(rs.getString(\ user.setPersonId(rs.getString(\ user.setAccountType(rs.getInt(\ user.setBalance(rs.getDouble(\ user.setCeiling(rs.getDouble(\ list.add(user); }

}

catch (SQLException e) { e.printStackTrace();

System.out.println(\检索失败\ }

return list;

}

//根据卡号和密码验证用户是否存在 public boolean verify(int id,String password){ conn=getConnection(); try{ pstmt=conn.prepareStatement(\* from account userpwd=?\ pstmt.setInt(1, id); pstmt.setString(2, password); rs=pstmt.executeQuery(); if(rs.next()){ return true; }else{ return false; } }catch(SQLException e){ e.printStackTrace(); return false; } } /** * 登录验证 */ public accounts verifyAccount(int id, String password) { boolean flag = verify(id, password); if(flag){ accounts account=queryByIDandPassword(id, password); return account; } else { System.out.println(\用户不存在！\ return null; } } //根据卡号和密码查询信息 public accounts queryByIDandPassword(int id,String password){

where id=? and conn=getConnection(); try{ pstmt=conn.prepareStatement(\* from account where id=? and userpwd=?\ pstmt.setInt(1, id); pstmt.setString(2, password); rs=pstmt.executeQuery(); accounts account=new accounts(); while(rs.next()){ account.setId(rs.getInt(\ account.setName(rs.getString(\ account.setPassword(rs.getString(\ account.setPersonId(rs.getString(\ account.setAccountType(rs.getInt(\ account.setBalance(rs.getDouble(\ account.setCeiling(rs.getDouble(\ } return account; }catch(SQLException e){ e.printStackTrace(); return null; } }

//根据卡号查询信息

public accounts queryByID(int id){ conn=getConnection(); try{ pstmt=conn.prepareStatement(\ pstmt.setInt(1, id); rs=pstmt.executeQuery(); accounts account=new accounts(); while(rs.next()){ account.setId(rs.getInt(\ account.setName(rs.getString(\ account.setPassword(rs.getString(\ account.setPersonId(rs.getString(\ account.setAccountType(rs.getInt(\ account.setBalance(rs.getDouble(\ account.setCeiling(rs.getDouble(\ } return account; }catch(SQLException e){ e.printStackTrace();

return null; } } public static void main(String[] args) { // TODO Auto-generated method stub DBoper op=new DBoper(); ArrayList list=op.testt(1001); for(int i=0;i

//图像界面文件夹

DN_SYSTEM

Default.java //主界面

package DN_SYSTEM;

import java.awt.Color; import java.awt.Container;

import java.awt.event.ActionEvent; import java.awt.event.ActionListener;

import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel;

import javax.swing.JOptionPane; import javax.swing.JPanel;

import javax.swing.WindowConstants;

import Account.accounts; import DB.DBoper;

public class Default extends JFrame implements ActionListener{ accounts account=DN_ATM.client; DBoper db=new DBoper(); private JFrame jf; private JButton btn0,btn1,btn2,btn3,btn4,btn5; private Container c; public void defaltDemo() {

//添加主界面卡片 //DN_ATM.id; int id=DN_ATM.id;

//account=db.queryByID(id);

jf=new JFrame(\c=jf.getContentPane(); c.setLayout(null);

c.setBackground(new Color(119,119,253));

JLabel lblwel = new JLabel(\欢迎\用达能银行ATM系统\lblwel.setBounds(20, 15, 350, 30); c.add(lblwel);

JLabel lblwel1 = new JLabel(\请选择您需要的交易类型\lblwel1.setBounds(120, 45, 350, 30); c.add(lblwel1);

btn1 = new JButton(\取款服务\btn1.addActionListener(this); btn1.setBounds(70, 90, 100, 30); c.add(btn1);

btn2=new JButton(\存款服务\btn2.addActionListener(this); btn2.setBounds(210, 90, 100, 30); c.add(btn2);

btn3 = new JButton(\查询余额\btn3.addActionListener(this); btn3.setBounds(70, 150, 100, 30); c.add(btn3);

btn4 = new JButton(\转账服务\btn4.addActionListener(this);

btn4.setBounds(210, 150, 100, 30); c.add(btn4);

btn5 = new JButton(\注销账户\btn5.addActionListener(this); btn5.setBounds(70, 210, 100, 30); c.add(btn5);

btn0 = new JButton(\退出操作\ btn0.addActionListener(this); btn0.setBounds(210, 210, 100, 30); c.add(btn0); jf.setVisible(true); jf.setResizable(false); jf.setSize(400,300);

jf.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); } //事件处理 @Override public void actionPerformed(ActionEvent e){

//取款服务

if(e.getSource().equals(btn1)){ OutMoney outmoney=new OutMoney(); outmoney.outMoney(); jf.dispose(); }

//存款服务

if(e.getSource().equals(btn2)){ InMoney inmoney=new InMoney(); inmoney.InMoney(); jf.dispose(); }

//查询余额

if(e.getSource().equals(btn3)){ GetBalance getbalance=new GetBalance(); getbalance.getBalance(); jf.dispose(); }

}

}

//转账服务

if(e.getSource().equals(btn4)){ TransferAccounts tranfer=new TransferAccounts(); tranfer.transferAccounts(); jf.dispose(); }

//注销账户

if(e.getSource().equals(btn5)){ String sql=\ boolean flag=db.accountDataUpdate(sql); if(flag){

JOptionPane.showMessageDialog(this,\注销成功！\} else{

JOptionPane.showMessageDialog(this, \注销失败！\ } }

if(e.getSource().equals(btn0)){ System.exit(0); }

public static void main(String[] args) { // TODO Auto-generated method stub Default defaults=new Default(); defaults.defaltDemo(); }

DN_ATM.java //功能界面

package DN_SYSTEM;

import java.awt.CardLayout; import java.awt.Color; import java.awt.Container;

import java.awt.event.ActionEvent; import java.awt.event.ActionListener;

import javax.swing.AbstractButton; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel;

import javax.swing.JOptionPane; import javax.swing.JPanel;

import javax.swing.JPasswordField; import javax.swing.JTextField;

import DB.DBoper;

import Account.accounts;

public class DN_ATM extends JFrame implements ActionListener{ private JLabel lbljixu; private JButton btngetcard; private JButton btncard,btn010,btn_addAccount,btnsure,btnback; private JTextField txt1; private JPasswordField txt2; private Container container; private CardLayout Layout; private JLabel lblwrong; private JPanel panelfirst,panelmain; public static int id; static accounts client = null; public DN_ATM(){

}

super(\达能银行\this.setSize(435, 350); this.setLocation(500,250);

this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //设置不可改变窗口大小 this.setResizable(false);

//布局

public void setLayout(){ //用卡片布局 Layout = new CardLayout(); container = getContentPane(); container.setLayout(Layout); //添加第一张卡片 panelfirst = new JPanel(null);

//设置卡片的背景颜色

panelfirst.setBackground(new Color(119,119,253)); lbljixu = new JLabel(\请放入磁卡，然后继续操作\//设置卡片在Panel中的位置 lbljixu.setBounds(140, 90, 350, 30); //为第一张卡片添加一个Label panelfirst.add(lbljixu);

//为第一张卡片添加一个按钮 btncard = new JButton(\继续\

btncard.setBounds(310, 180, 80, 30); //为按钮注册事件监听器

btncard.addActionListener(this); //开始时设置按钮不可按 btncard.setEnabled(false); panelfirst.add(btncard);

//为第一张卡片添加一个按钮 btngetcard = new JButton(\取卡\btngetcard.setEnabled(false);

btngetcard.setBounds(310, 220, 80, 30); btngetcard.addActionListener(this); panelfirst.add(btngetcard);

//添加登录输入卡片

panelmain = new JPanel(null);

panelmain.setBackground(new Color(119,119,253));

//添加登录输入卡号

JLabel lblnumber = new JLabel(\请输入您的银行卡卡号：\panelmain.add(lblnumber);

lblnumber.setBounds(30, 30, 150, 30);

//设置文本框为密码型 txt1 = new JTextField(12);

//文本框不可选中 //txt1.enable(false); panelmain.add(txt1);

txt1.setBounds(170, 30, 200, 30);

JLabel lblpwd = new JLabel(\请输入您的银行卡密码：\panelmain.add(lblpwd);

lblpwd.setBounds(30, 80, 150, 30);

//设置文本框为密码型

txt2 = new JPasswordField(12); //文本框不可选中 //txt2.enable(false); panelmain.add(txt2);

//文本框的输入内容用*显示 txt2.setEchoChar('*');

txt2.setBounds(170, 80, 200, 30);

//添加选择按钮

btnsure = new JButton(\确定\btnsure.addActionListener(this); panelmain.add(btnsure);

btnsure.setBounds(70, 160, 80, 30);

//添加重输按钮

btn010 = new JButton(\重输\btn010.addActionListener(this); panelmain.add(btn010);

btn010.setBounds(175,160,80,30);

btnback = new JButton(\退出\btnback.addActionListener(this); panelmain.add(btnback);

btnback.setBounds(280, 160, 80, 30);

//开户

btn_addAccount = new JButton(\开户\btn_addAccount.setBounds(70, 220, 80, 30); btn_addAccount.addActionListener(this); panelmain.add(btn_addAccount);

lblwrong = new JLabel(\请注意保护好您的密码！\ panelmain.add(lblwrong); lblwrong.setBounds(180, 110, 200, 30); container.add(panelmain, \}

//事件处理

@SuppressWarnings(\@Override

public void actionPerformed(ActionEvent e){ DBoper db=new DBoper();

if(e.getSource().equals(btn_addAccount)){ OpenAccount open=new OpenAccount(); open.adduser(); }

//磁卡插入后，验证银行登录卡号与密码 if(e.getSource().equals(btnsure)) { client = db.verifyAccount(Integer.parseInt(txt1.getText()), txt2.getText()); if(client!=null){ Default defa=new Default(); defa.defaltDemo(); this.dispose(); id=Integer.parseInt(txt1.getText()); txt1.setText(\ txt2.setText(\ }else{ lblwrong.setText(\卡号或密码不正确，请重新输入！\ txt1.setText(\ txt2.setText(\ } }

//重置输入卡号和密码 if(e.getSource()==btn010) { txt1.setText(\ txt2.setText(\ lblwrong.setText(\请注意保护好您的密码！\ }

//退出 if(e.getSource().equals(btnback)){ System.exit(0); } }

public static void main(String[] args) { // TODO Auto-generated method stub DN_ATM ATM=new DN_ATM(); ATM.setLayout(); ATM.setVisible(true); }

}

GetBalance.java //查询余额

package DN_SYSTEM;

import java.awt.CardLayout; import java.awt.Color; import java.awt.Container;

import java.awt.event.ActionEvent; import java.awt.event.ActionListener;

import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel;

import javax.swing.WindowConstants;

import Account.accounts; import DB.DBoper;

public class GetBalance extends JFrame implements ActionListener{ private JFrame jf; private Container c; private JLabel lblremain1,lblremain; private JButton btnremain,btnremain1; accounts account=new accounts(); DBoper db=new DBoper(); private int id=DN_ATM.id; //添加查询余额界面卡片 public void getBalance(){ account=db.queryByID(id); jf=new JFrame(\ c=jf.getContentPane(); c.setLayout(null); jf.setResizable(false); c.setBackground(new Color(119,119,253));

lblremain1 = new JLabel(\尊敬的达能用户您好！\lblremain1.setBounds(90,70,350,30); c.add(lblremain1);

lblremain = new JLabel(\请点击继续操作查询余额：\lblremain.setBounds(90,110,350,30); c.add(lblremain);

btnremain = new JButton(\继续操作\btnremain.setBounds(95,150,90,30); btnremain.addActionListener(this); c.add(btnremain);

btnremain1 = new JButton(\退出操作\ btnremain1.setBounds(200,150,90,30); btnremain1.addActionListener(this); c.add(btnremain1); jf.setVisible(true); jf.setSize(400,300);

jf.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); } @Override public void actionPerformed(ActionEvent e){

//查询余额 if(e.getSource()==btnremain) { lblremain1.setText(\卡号:\ 用户名:\ lblremain.setText(\您的余额为\元,是否继续操作?\ } if(e.getSource()==btnremain1){ Default defa=new Default(); defa.defaltDemo(); jf.dispose(); } }

public static void main(String[] args) { // TODO Auto-generated method stub GetBalance balance=new GetBalance(); balance.getBalance(); }

}

InMoney.java //存款

package DN_SYSTEM;

import java.awt.CardLayout; import java.awt.Color; import java.awt.Container;

import java.awt.event.ActionEvent; import java.awt.event.ActionListener;

import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel;

import javax.swing.JOptionPane; import javax.swing.JTextField;

import javax.swing.WindowConstants;

import Account.accounts; import DB.DBoper;

public class InMoney extends JFrame implements ActionListener{ private JLabel lblsave,lblsave1; private JButton btnsave,btnsave2; private JTextField txt2; private double savemoney ; private double lastmoney; private boolean flag; private JFrame jf; private Container c; accounts account=new accounts(); DBoper db=new DBoper(); private int id=DN_ATM.id; public void InMoney(){ account=db.queryByID(id); jf=new JFrame(\ c=jf.getContentPane(); c.setLayout(null);

jf.setResizable(false);

//添加存款显示界面卡片

c.setBackground(new Color(119,119,253)); lblsave = new JLabel(\请在存款口处放入存款\lblsave.setBounds(60,30,350,30); c.add(lblsave);

lblsave1 = new JLabel(\请注意:只接收100元或100元的整数倍存款\lblsave1.setBounds(90,110,350,30); c.add(lblsave1);

txt2 = new JTextField(12); c.add(txt2);

txt2.setBounds(95, 80, 200, 30);

btnsave = new JButton(\放入存款完毕\ btnsave.setBounds(90,160,120,30); btnsave.addActionListener(this); c.add(btnsave); btnsave2 = new JButton(\返回\ btnsave2.setBounds(240,160,60,30); btnsave2.addActionListener(this); c.add(btnsave2); jf.setVisible(true); jf.setSize(400,300);

jf.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); } @Override public void actionPerformed(ActionEvent e){ if(e.getSource()==btnsave) { savemoney=Double.parseDouble(txt2.getText()); lastmoney=account.getBalance(); lastmoney+=savemoney; String sql = \ + id; flag=db.accountDataUpdate(sql); if(flag){ JOptionPane.showMessageDialog(this, \存款成功！\

}

txt2.setText(\ Default defa=new Default(); defa.defaltDemo(); jf.dispose(); } else { JOptionPane.showMessageDialog(this, \存款失败！\ } } if(e.getSource()==btnsave2) { Default defa=new Default(); defa.defaltDemo(); jf.dispose(); } }

public static void main(String[] args) { // TODO Auto-generated method stub InMoney inmoney=new InMoney(); inmoney.InMoney(); }

OpenAccount.java //开户

package DN_SYSTEM;

import java.awt.Component; import java.awt.Container;

import java.awt.event.ActionEvent; import java.awt.event.ActionListener;

import javax.swing.ButtonGroup; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel;

import javax.swing.JOptionPane; import javax.swing.JPasswordField; import javax.swing.JRadioButton;

import javax.swing.JTextField;

import javax.swing.WindowConstants;

import DB.DBoper;

import Account.accounts;

public class OpenAccount extends JFrame implements ActionListener{ private JFrame jf; private Container c; private JTextField txtname,txt_personId; private JPasswordField txtpwd,txtpwd1; private JRadioButton rbt1; private JRadioButton rbt2; String accountType;

//开户，增加新用户 public void adduser(){ jf=new JFrame(\ c=jf.getContentPane(); c.setLayout(null); jf.setResizable(false); JLabel lbname=new JLabel(\用户名：\ lbname.setBounds(100, 40, 80, 20); txtname=new JTextField(); txtname.setBounds(160, 40, 130, 20); c.add(lbname); c.add(txtname);

JLabel lbpwd=new JLabel(\密码：\ lbpwd.setBounds(110, 65, 80, 20); txtpwd=new JPasswordField(); txtpwd.setBounds(160, 65, 130, 20); txtpwd.setEchoChar('*'); c.add(lbpwd); c.add(txtpwd);

JLabel lbpwd1=new JLabel(\确认密码：\ lbpwd1.setBounds(86, 90, 80, 20); txtpwd1 = new JPasswordField(); txtpwd1.setBounds(160, 90, 130, 20); txtpwd1.setEchoChar('*'); c.add(lbpwd1);

c.add(txtpwd1);

JLabel lbpersonId=new JLabel(\身份证号：\lbpersonId.setBounds(86, 115, 80, 20); txt_personId = new JTextField(); txt_personId.setBounds(160, 115, 130, 20); c.add(lbpersonId); c.add(txt_personId);

JLabel lbtype=new JLabel(\账户类型：\ lbtype.setBounds(86, 120, 80, 60); rbt1=new JRadioButton(\信用卡\ rbt1.setBounds(160, 135, 70, 30);

rbt2=new JRadioButton(\储蓄卡\rbt2.setBounds(225, 135, 70, 30);

ButtonGroup group=new ButtonGroup(); group.add(rbt2); group.add(rbt1); c.add(lbtype); c.add(rbt2); c.add(rbt1);

JButton btnsubmit=new JButton(\提交\btnsubmit.setBounds(100, 190, 80, 20);

JButton btnreset=new JButton(\重置\ btnreset.setBounds(205, 190, 80, 20); c.add(btnsubmit); c.add(btnreset);

btnsubmit.addActionListener(this); btnreset.addActionListener(this);

jf.setVisible(true); jf.setSize(400,300);

jf.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); } public static void main(String[] args) { // TODO Auto-generated method stub OpenAccount openA=new OpenAccount(); openA.adduser(); } @Override

}

public void actionPerformed(ActionEvent e){ accounts account=new accounts(); account.setName(txtname.getText()); if(txtpwd.getText().equals(txtpwd1.getText())){ account.setPassword(txtpwd.getText()); }else{ JOptionPane.showMessageDialog(this,\两次输入的密码不一致，请重新输入！\ } account.setPersonId(txt_personId.getText()); if(rbt1.isSelected()) accountType=\ if(rbt2.isSelected()) accountType=\ account.setAccountType(Integer.parseInt(accountType)); account.setBalance(0); if(accountType.equals(\ account.setCeiling(5000.0); }else{ account.setCeiling(0); } DBoper db=new DBoper(); if(db.accountDataInsert(account)){ JOptionPane.showMessageDialog(this,\开户成功！\ }

jf.dispose();//关闭当前登录窗体 return; }else{ JOptionPane.showMessageDialog(this,\开户失败！\ return; }

OutMoney.java

package DN_SYSTEM;

import java.awt.CardLayout; import java.awt.Color; import java.awt.Container;

//取款

import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel;

import javax.swing.JOptionPane; import javax.swing.JPanel; import javax.swing.JTextField;

import javax.swing.WindowConstants;

import Account.accounts; import DB.DBoper;

import java.awt.event.ActionEvent; import java.awt.event.ActionListener;

public class OutMoney extends JFrame implements ActionListener{ private JFrame jf; private JButton btn100,btn200,btn300,btn500,btn1000; private

btn001,btn002,btn003,btn004,btn005,btn006,btn007,btn008,btn009,btn000; private JButton btnsure1,btn0010,btnback2; private JTextField txt2; private Container c; private JLabel lblqukuan; private int money; private double lastmoney; accounts account=new accounts(); DBoper db=new DBoper(); private int id=DN_ATM.id; public void outMoney(){ account=db.queryByID(id); jf=new JFrame(\ c=jf.getContentPane(); c.setLayout(null); jf.setResizable(false); //添加取款页面卡片 //panel4=new JPanel(null); c.setBackground(new Color(119,119,253)); lblqukuan = new JLabel(\请输入您的取款金额：\ c.add(lblqukuan);

JButton

}

}

outmoney1.outMoney();;

TransferAccounts.java //转账

package DN_SYSTEM;

import java.awt.Color; import java.awt.Container;

import java.awt.event.ActionEvent; import java.awt.event.ActionListener;

import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel;

import javax.swing.JOptionPane; import javax.swing.JPanel; import javax.swing.JTextField;

import javax.swing.WindowConstants;

import Account.accounts; import DB.DBoper;

public class TransferAccounts extends JFrame implements ActionListener{ private JFrame jf; private Container c; accounts account=new accounts(); DBoper db=new DBoper(); private int id=DN_ATM.id; private JTextField txttrans,txttrans1,txttrans2; private JButton btntra,btntra1,btntra2; private JLabel lbltra,lbltra1,lbltra2; public void transferAccounts(){ account=db.queryByID(id); jf=new JFrame(\ c=jf.getContentPane(); c.setLayout(null); jf.setResizable(false);

//添加转账卡片界面

c.setBackground(new Color(119,119,253));

lbltra = new JLabel(\请输入对方的银行帐号：\ lbltra.setBounds(20, 30, 160, 30); c.add(lbltra);

lbltra1 = new JLabel(\请再次输入对方的银行帐号：\ lbltra1.setBounds(20, 80, 190, 30); c.add(lbltra1);

lbltra2 = new JLabel(\请输入您的转账金额：\lbltra2.setBounds(20, 130, 160, 30); c.add(lbltra2);

txttrans = new JTextField(); c.add(txttrans);

txttrans.setBounds(200,30,200,30);

txttrans1 = new JTextField(); c.add(txttrans1);

txttrans1.setBounds(200,80,200,30);

txttrans2 = new JTextField(); c.add(txttrans2);

txttrans2.setBounds(200,130,200,30);

btntra = new JButton(\确定\ c.add(btntra);

btntra.addActionListener(this); btntra.setBounds(70,190,80,30);

btntra1 = new JButton(\重输\ c.add(btntra1); btntra1.addActionListener(this); btntra1.setBounds(175,190,80,30); btntra2 = new JButton(\返回\ c.add(btntra2); btntra2.addActionListener(this); btntra2.setBounds(280,190,80,30); jf.setVisible(true); jf.setSize(450,300);

jf.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); } @Override public void actionPerformed(ActionEvent e){

//转账确认

if(e.getSource()==btntra) {

//符合条件要求

if(txttrans.getText().equals(txttrans1.getText()) && txttrans2.getText().length()!=0 && Double.valueOf(txttrans2.getText()).doubleValue()<=account.getBalance()) { double trainsmoney = Double.valueOf(txttrans2.getText()).doubleValue(); double lastmoney=account.getBalance(); lastmoney=lastmoney-trainsmoney; String sql = \ db.accountDataUpdate(sql); int opid=db.queryByID(Integer.parseInt(txttrans.getText())).getId(); double

opbalance=db.queryByID(Integer.parseInt(txttrans.getText())).getBalance(); double opmoney=opbalance+trainsmoney; String sql1 = \ db.accountDataUpdate(sql1); JOptionPane.showMessageDialog(this, \转账成功！\ Default defa=new Default(); defa.defaltDemo(); jf.dispose(); }else{ //不符合要求 JOptionPane.showMessageDialog(null, \帐号不一致或帐号与金额输入有误,请确认\转账失败！\ } } //重输 if(e.getSource().equals(btntra1)){ this.txttrans.setText(\ this.txttrans1.setText(\ this.txttrans2.setText(\ } //返回 if(e.getSource().equals(btntra2)){ Default defa=new Default();

}

defa.defaltDemo(); jf.dispose(); } }

public static void main(String[] args) { // TODO Auto-generated method stub TransferAccounts tranfer=new TransferAccounts(); tranfer.transferAccounts(); }

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