Java-银行管理系统源代码

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

2、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)=name;public string getpersonid()return personid;public void setpersonid(string pers

3、onid)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)t

4、his.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;=name;this.per

5、sonid=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)money)system.out.println( 对不起，已超出您的信用额度！ ); elsebalance-=money;elseif(balancemoney)system.

6、out.println( 对不起，账户余额不足！ ); elsebalance-=money;dboper.javapackage 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 arraylis

7、t result;/连接数据库public connection getconnection()tryclass.forname(com.mysql.jdbc.driver);conn=drivermanager.getconnection(jdbc:mysql:/localhost:3306/bankmanager?useunicode=true&characterencoding=utf8,root,xuewei);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 acc

8、ountdataupdate(string sql)conn=getconnection();trypstmt=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

9、 id) conn = getconnection();try stringsql = update account setusername=?,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(

10、4, user.getaccounttype();pstmt.setdouble(5, user.getbalance();pstmt.setdouble(6, user.getceiling();pstmt.executeupdate();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)

11、conn=getconnection();trypstmt=conn.preparestatement(insert 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();

12、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 = getconnec

13、tion();accounttry pstmt = conn.preparestatement(sql);rs = pstmt.executequery();catch (sqlexception e) e.printstacktrace();system.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)

14、;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 = select * from account where id= + id; pstmt = conn.preparestatement(sql);rs = pstmt.exe

15、cutequery();while (rs.next() accounts user = new accounts(); user.setname(rs.getstring(username);user.setpassword(rs.getstring(userpwd);user.setpersonid(rs.getstring(personid);user.setaccounttype(rs.getint(accounttype);user.setbalance(rs.getdouble(balance);user.setceiling(rs.getdouble(ceiling);list.

16、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();trypstmt=conn.preparestatement(select * from account where id=? and userpwd=?); pstmt.setint(1, id);pstmt.setstring(2, passwor

17、d);rs=pstmt.executequery();if(rs.next()return true;elsereturn 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;els

18、esystem.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)conn=getconnection();trypstmt=conn.preparestatement(select * from account where id=? and userpwd=?); pstmt.setint(1, id);pstmt.setstring(2, password);rs=pstmt.executequery();accounts acc

19、ount=new accounts();while(rs.next()account.setid(rs.getint(id);account.setname(rs.getstring(username);account.setpassword(rs.getstring(userpwd);account.setpersonid(rs.getstring(personid);account.setaccounttype(rs.getint(accounttype);account.setbalance(rs.getdouble(balance);account.setceiling(rs.getd

20、ouble(ceiling);return account;catch(sqlexception e)e.printstacktrace();return null;/根据卡号查询信息public 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.nex

21、t()account.setid(rs.getint(id);account.setname(rs.getstring(username);account.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;ca

22、tch(sqlexception e)e.printstacktrace();return null;public static void main(string 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

23、(user.getpassword();system.out.println(user.getpersonid();system.out.println(user.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.actio

24、nevent;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 implemen

25、ts actionlisteneraccounts 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(default);c=jf.getcontentpane();c.setlayout(

26、null);c.setbackground(new color(119,119,253);jlabel lblwel = new jlabel( 欢迎+account.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.addactionlisten

27、er(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.addactionlisten

28、er(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)

29、;jf.setsize(400,300);jf.setdefaultcloseoperation(windowconstants.exit_on_close);/事件处理overridepublic 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();i

30、nmoney.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)stri

31、ng sql=delete from account where id=+account.getid(); boolean flag=db.accountdataupdate(sql);if(flag)joptionpane.showmessagedialog(this, 注销成功！); elsejoptionpane.showmessagedialog(this, 注销失败！); if(e.getsource().equals(btn0)system.exit(0);public static void main(string args) / todo auto-generated meth

32、od stubdefault defaults=new default();defaults.defaltdemo();dn_atm.javapackage dn_system;import java.awt.cardlayout;import java.awt.color;/功能界面import java.awt.container;import java.awt.event.actionevent;import java.awt.event.actionlistener;import javax.swing.abstractbutton;import javax.swing.jbutton

33、;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;p

34、rivate 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 =

35、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panelf

36、irst = 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 labelpanelfirst.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

37、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

38、(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 lblpw

39、d = 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.addactionlistene

40、r(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

41、);/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, main);/事件处理suppresswarni

42、ngs(deprecation)overridepublic 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

43、();if(client!=null) default defa=new default();defa.defaltdemo();this.dispose();id=integer.parseint(txt1.gettext();txt1.settext();txt2.settext();elselblwrong.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

44、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 stubdn_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.con

45、tainer;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 im

46、plements 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(find dalanc

47、e);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 =

48、 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(wind

49、owconstants.exit_on_close);overridepublic void actionperformed(actionevent e)/查询余额if(e.getsource()=btnremain)lblremain1.settext( 卡号:+account.getid()+用户名:+account.getname();lblremain.settext( 您的余额为 +account.getbalance()+ 元,是否继续操作 ?); if(e.getsource()=btnremain1)default defa=new default();defa.defaltd

50、emo();jf.dispose();public static void main(string args) / todo auto-generated method stubgetbalance 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.

51、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 actionlisten

52、erprivate 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(in money);c=jf.getcontentpane();c.setlayout(null);jf.setresizable(false)