1、Java 小型银行管理系统源代码（图形界面）accounts.javapackage 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
2、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)th
3、is.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=
4、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=p
5、ersonId;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) result;/连接数据库public Connection getConnection()tryClass.forName(“com.mysql.jdbc.Driver“);conn=Dri
6、verManager.getConnection(“jdbc:mysql:/localhost:3306/bankmanager?useUnicode=truecatch(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();trypstmt=conn.prepareStatement(sql);pstmt.executeUpdate();/System.out.println(“数据更新成功
7、“);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 = “update account set username=?,userpwd=?,personId=?,accountType=?,balance=?,ceiling=? w
8、here 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();System.
9、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();trypstmt=conn.prepareStatement(“insert into account (username,userpwd,personId,accountType,balance,ceiling)
10、 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.pri
11、ntln(“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();catch (SQLException e) e.printStackTrace();S
12、ystem.out.println(“检索失败“);return rs;public ResultSet testlist() try String sql = “select * from account where id =1001“;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 ArrayLi
13、st testt(int id) ArrayList list = new ArrayList();conn = getConnection();try String sql = “select * from account where id=“ + id;pstmt = conn.prepareStatement(sql);rs = pstmt.executeQuery();while (rs.next() accounts user = new accounts();user.setName(rs.getString(“username“);user.setPassword(rs.getS
14、tring(“userpwd“);user.setPersonId(rs.getString(“personId“);user.setAccountType(rs.getInt(“accountType“);user.setBalance(rs.getDouble(“balance“);user.setCeiling(rs.getDouble(“ceiling“);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pub
15、lic boolean verify(int id,String password)conn=getConnection();trypstmt=conn.prepareStatement(“select * from account where id=? and userpwd=?“);pstmt.setInt(1, id);pstmt.setString(2, password);rs=pstmt.executeQuery();if(rs.next()return true;elsereturn false;catch(SQLException e)e.printStackTrace();r
16、eturn 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;elseSystem.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 passw
17、ord)conn=getConnection();trypstmt=conn.prepareStatement(“select * 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(“id“);account.setName(rs.getString(“username“);acc
18、ount.setPassword(rs.getString(“userpwd“);account.setPersonId(rs.getString(“personId“);account.setAccountType(rs.getInt(“accountType“);account.setBalance(rs.getDouble(“balance“);account.setCeiling(rs.getDouble(“ceiling“);return account;catch(SQLException e)e.printStackTrace();return null;/根据卡号查询信息pub
19、lic accounts queryByID(int id)conn=getConnection();trypstmt=conn.prepareStatement(“select * from account where id=?“);pstmt.setInt(1, id);rs=pstmt.executeQuery();accounts account=new accounts();while(rs.next()account.setId(rs.getInt(“id“);account.setName(rs.getString(“username“);account.setPassword(
20、rs.getString(“userpwd“);account.setPersonId(rs.getString(“personId“);account.setAccountType(rs.getInt(“accountType“);account.setBalance(rs.getDouble(“balance“);account.setCeiling(rs.getDouble(“ceiling“);return account;catch(SQLException e)e.printStackTrace();return null;public static void main(Strin
21、g args) / TODO Auto-generated method stubDBoper op=new DBoper();ArrayList list=op.testt(1001);for(int i=0;ilist.size();i+)accounts user=new accounts();user=list.get(i);System.out.println(user.getName();System.out.println(user.getPassword();System.out.println(user.getPersonId();System.out.println(use
22、r.getAccountType();System.out.println(user.getBalance();System.out.println(user.getCeiling();/图像界面文件夹DN_SYSTEMDefault.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 ja
23、vax.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 ActionListeneraccounts account=DN_ATM.client;DBoper db=new DBoper();private J
24、Frame 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(“DEFAULT“);c=jf.getContentPane();c.setLayout(null);c.setBackground(new Color(119,119,253);JLabel lblwel = new JLabel(“欢迎“+ac
25、count.getName()+“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);
