简单银行系统Java版.doc

package experiment;import java.util.Scanner;public class Bank public int usercount;public BankUser user;public void usershowup(BankUser user) /显示银行账户的详细信息System.out.println(下面是+user.username+的详细信息);System.out.print( 用户账户：+user.banknumber);System.out.print( 用户名所在银行：+user.bankname);System.out.print( 用户名地址：+user.useraddress);System.out.print( 用户名余额：+user.leftmoney); /* public void adduser(BankUser BankUser) 下面是添加用户，方法void adduser(BankUser) /* * param args */public BankUser usersum=new BankUser1000;public void adduser(BankUser user) /把用户汇总usercount+;usersumusercount-1=user;public void user() /创建新用户Scanner s=new Scanner(System.in); System.out.println(请输入银行名：); String str1=s.nextLine(); System.out.println(请输入用户名：); String str2=s.nextLine(); System.out.println(请输入用户地址：); String str3=s.nextLine(); System.out.println(请输入用户账号：); int str4=s.nextInt(); System.out.println(请输入用户金额：); Double str5=s.nextDouble();BankUser user=new BankUser(str2,str1,str3,str4,str5); adduser(user); System.out.println(是否继续添加用户+是，请输入yes); String str=s.next(); if(str.equals(yes) user(); public void Select(BankUser user) /用户能选择的功能System.out.println(请选择你想要的功能：);System.out.print( 查询余额请输入：1+ 取款请输入：2+ 存款请输入3 查询你的账户详细信息请输入4);Scanner sc=new Scanner(System.in);int n=sc.nextInt();switch(n)case 1:System.out.println(账户余额：+user.getleftmoney();break;case 2: System.out.print(请输入你需要取走的金额); double m=sc.nextDouble(); user.getmoney(m);break;case 3:System.out.println(请输入你存款金额);double money=sc.nextDouble();user.savemoney( money);break;case 4:usershowup(user);break;System.out.println(是否继续+ 是?，请输入yes); String str=sc.next(); if(str.equals(yes) Select(user); public static void main(String args) Bank bank=new Bank(); bank.user(); System.out.print(请输入你查询的用户的账号：); Scanner s1=new Scanner(System.in); int num=s1.nextInt();for(int i=0;ibank.usercount;) int num2=(int)bank.usersumi.banknumber; if(num2=num) BankUser userselect=bank.usersumi; bank.Select(userselect); i+; else System.out.println(你输入的账号不存在); package experiment;import java.util.Scanner;class BankUser public String username;public String bankname;public int banknumber;public Double leftmoney;public String useraddress;public BankUser(String username,String bankname,String useraddress,int banknumber,Double leftmoney)this.username=username; /用户名称this.bankname=bankname; /银行名称this.useraddress=useraddress; /使用者的地址this.banknumber=banknumber; /账户号码this.leftmoney=leftmoney;public Double getleftmoney() /查询余额钱return leftmoney;public void savemoney(double money) /存钱leftmoney+=money;public void getmoney(double money) /得到钱if(money=leftmoney)leftmoney-=money;else System.out.println(您所剩余额不足！);System.out.println(只能取：+leftmoney);System