文档介绍：Java小型银行管理系统源代码(图形界面);ounts{protectedintid;//银行账号protectedStringpassword;//用户密码protectedStringname;//用户型号protectedStringpersonId;//ountType;//账号类型,0代表储蓄卡,1代表信用卡protecteddoublebalance;//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。protecteddoubleceiling;publicStringgetPassword(){returnpassword;}publicvoidsetPassword(Stringpassword){=password;}publicStringgetName(){returnname;}publicvoidsetName(Stringname){=name;}publicStringgetPersonId(){returnpersonId;}publicvoidsetPersonId(StringpersonId){=personId;}ountType(){ountType;}ountType(ountType){=accountType;}publicdoublegetBalance(){returnbalance;}publicvoidsetBalance(doublebalance){=balance;}publicintgetId(){returnid;}publicvoidsetId(intid){=id;}publicdoublegetCeiling(){returnceiling;}publicvoidsetCeiling(doubleceiling){=ceiling;}//ounts(){}//ounts(Stringpassword,Stringname,StringpersonId,ountType,doublebalance,doubleceiling){super();=password;=name;=personId;=accountType;=balance;=ceiling;}2//存款publicvoiddeposit(doublemoney){balance+=money;}//取款publicvoidwithdraw(doublemoney){if(accountType==1){if((balance+ceiling)<money){"对不起,已超出您的信用额度!");}else{balance-=money;}}else{if(balance<money){"对不起,账户余额不足!");}else{balance-=money;}}}};.*;import;;lassDBoper{privateConnectionconn=null;privateStatementst=null;privatePreparedStatementpstmt=null;privateResultSetrs=null;privateArrayList<accounts>result;//onnectiongetConnection(){try{("");conn=("jdbc:","root","xuewei");}catch(Exceptione){"数据库连接失败");}returnconn;}//ountDataUpdate(Stringsql){conn=getConnection();try{pstmt=(sql);();//"数据更新成功");();returntrue;}catch(SQLExceptione){();//"更新失败");returnfalse;}}//依据id来修改记录publicbooleandataupdateid(accountsuser,intid){conn=getConn