Java第一课——模拟ATM机代码

//信1705_2班20173640刘世朝
package Accunt;

import java.text.SimpleDateFormat;
import java.util.Date;

public class Account
{
private String accountID,accountname,operatedate,accontpassword;
private int operatetype,accountbalance,amount;//“1”表示存款，“2”表示取款，“3”表示转账汇款，“4”表示修改账户密码，“5”表示查询余额。
public Account() {}
public Account(String accountID,String accountname,String accontpassword,int accountbalance)
{
this.accountID = accountID;
this.accountname = accountname;
this.accontpassword = accontpassword;
this.accountbalance = accountbalance;
}
public int getAccountbalance()
{
return accountbalance;
}
public void setAccountbalance(int accountbalance)
{
this.accountbalance = accountbalance;
}
public String getAccountID()
{
return accountID;
}
public void setAccountID(String accountID)
{
this.accountID = accountID;
}
public String getAccountname()
{
return accountname;
}
public void setAccountname(String accountname)
{
this.accountname = accountname;
}
public String getOperatedate()
{
return operatedate;
}
public void setOperatedate()
{
Date now = new Date( );
SimpleDateFormat ft = new SimpleDateFormat ("yyyy.MM.dd");
this.operatedate = ft.format(now);
}
public String getAccontpassword()
{
return accontpassword;
}
public void setAccontpassword(String accontpassword)
{
this.accontpassword = accontpassword;
}
public int getOperatetype()
{
return operatetype;
}
public void setOperatetype(int operatetype)
{
this.operatetype = operatetype;
}
public int getAmount()
{
return amount;
}
public void setAmount(int amount)
{
this.amount = amount;
}

}

//信1705_2班20173640刘世朝
package Accunt;
import java.io.*;
import java.util.ArrayList;
import java.util.Scanner;
public class AccountManager
{

public static void main(String[] args)
{
Scanner input=new Scanner(System.in);
ArrayList<Account> ac=new ArrayList<Account>();
int select1=1,flag1=0,flag2=0,flagq=0,flag4=0,k;
String q="q";
getInformation(ac);
for(;;)
{

do
{
face(1);//账户对比
flag1=id(input.next(),ac);
if(flag1==-2) {face(0,12,ac);}
if(flag1==-1) {face(0,13,ac);}
}while(flag1<0);

for(k=0;k<3;k++)
{

face(2);//密码对比
flag2=login(flag1,input.next(),ac);
if(flag2<0) {face(flag1,14,ac);}
if(flag2>0) {break;}
}
if(flag2>0&&k<3)
{
do
{
face(flag1,3,ac);//主界面
try
{
select1=input.nextInt();
if(select1<=0) throw new Exception ();
}
catch(Exception e)
{
face(flag1,15,ac);
}
switch(select1)
{
case 1://存款
{
cunkuan(flag1,ac);
if(q.equals(input.next()))
{
q="";
flagq=1;
}
}break;
case 2://取款
{
flag4=qukuan(flag1,ac);
if(flag4==2)continue;
if(flag4==1)flagq=1;
}break;
case 3://转账
{
zhuanzhang(flag1,ac);
if(q.equals(input.next()))
{
q="";
flagq=1;
}
}break;
case 4://修改密码
{
resetpassward(flag1, ac);
if(q.equals(input.next()))
{
q="";
flagq=1;
}
}break;
case 5://查看
{
face(flag1,10,ac);
if(q.equals(input.next()))
{
q="";
flagq=1;
}
}break;
}
}while(flagq!=1);
}
else
{
face(flag1,11,ac);
}

}
}
public static void getInformation(ArrayList<Account> ac)//获得信息
{

try
{
FileReader fr=new FileReader("AccountInformation");
Scanner r=new Scanner(fr);
while(r.hasNext())
{
Account a=new Account();
a.setAccountID(r.next());
a.setAccontpassword(r.next());
a.setAccountname(r.next());
a.setAccountbalance(r.nextInt());
ac.add(a);
}
fr.close();
r.close();
}
catch(Exception e)
{
System.out.println("文件写入失败");
}
}
public static void setInformation(ArrayList<Account> ac)//写入信息
{
try
{
int i=0;
FileWriter fw=new FileWriter("AccountInformation");
PrintWriter pw=new PrintWriter(fw);
for(i=0;i<ac.size();i++)
{

pw.println(ac.get(i).getAccountID()+" "+ac.get(i).getAccontpassword()+" "+ ac.get(i).getAccountname()+" "+ac.get(i).getAccountbalance());
}
pw.flush();
pw.close();
fw.close();
}
catch(Exception e)
{
System.out.println("文件写入失败");
}
}
public static String getList(int i,ArrayList<Account> ac)//读取流水
{
try
{
FileReader fr=new FileReader("AccountList");
Scanner in=new Scanner(fr);
String iid=ac.get(i).getAccountID();
String id=new String();
String s=new String();
String sum="";
int z=1;
while(in.hasNextLine())
{
id=in.next();
if(iid.equals(id))
{
s=id+" "+in.nextLine()+"\n";
sum=sum+"( "+z+" )\t"+s;
z++;
}
}
fr.close();
in.close();
return sum;
}
catch(Exception e)
{
System.out.println("文件读取失败");
return "";
}
}
public static void setList(int i,ArrayList<Account> ac)//写入流水
{
try
{
Account a=ac.get(i);
FileWriter fw=new FileWriter("AccountList",true);
PrintWriter pw=new PrintWriter(fw);
pw.println(a.getAccountID()+" "+a.getAccountname()+" "+ a.getOperatedate()+" "+a.getOperatetype()+" "+a.getAmount());
pw.flush();
pw.close();
fw.close();
}
catch(Exception e)
{
System.out.println("文件写入失败");
}
}
public static void zhuanzhang(int i,ArrayList<Account> ac)
{
Account a=new Account();
Account b=new Account();
Scanner input=new Scanner(System.in);
String z="",x="";
int t=0,m=0,f1=0;
while(f1==0)
{
face(i,6,ac);
z=input.next();
if((t=id(z,ac))>=0)//判断
{
try
{
face(i,7,ac);
m=input.nextInt();
if(m<=0)throw new Exception();
}
catch(Exception e)
{
face(i,13,ac);
f1=1;
continue;
}

if(f1==0)//输入正确 开始转账
{
a=ac.get(i);
b=ac.get(t);
a.setAmount(-m);
b.setAmount(m);
ac.set(i, a);
face(i,t,1,ac);
x=input.next();
if(x.equals("Y")==true)
{
a.setOperatedate();
a.setOperatetype(3);
b.setOperatedate();
b.setOperatetype(3);
if(ac.get(i).getAccountbalance()>=m)
{
a.setAccountbalance(a.getAccountbalance()-m);//取款
ac.set(i, a);
setList(i, ac);
b.setAccountbalance(b.getAccountbalance()+m);//存款
ac.set(t, b);
setList(t, ac);
setInformation(ac);
face(i,t,2,ac);
break;
}
else
{
face(i,19,ac);
break;
}

}
else if(x.equals("N")==true)
{
break;
}
else
{
face(i,20,ac);
}

}
}
}
}
public static void resetpassward(int i,ArrayList<Account> ac)
{
Account a=new Account();
Scanner input=new Scanner(System.in);
String s1="",s2="",s3="";
int f1=0,f2=0,t=0;
face(i,8,ac);
s1=input.next();
f1=login(i,s1,ac);//密码正确
if(f1==1)
{
s2=input.next();
s3=input.next();
if(s2.equals(s3))//相等
{
if(s2.length()!=6)//格式
{
f2= -1;
face(i,16,ac);
}
for(t=0;t<s2.length();t++)//格式
{
if(s2.charAt(t)<'0'||s2.charAt(t)>'9')
{
f2= -1;
face(i,16,ac);
}
}
if(f2==0)
{
a=ac.get(i);
a.setAmount(0);
a.setOperatetype(4);
a.setOperatedate();
a.setAccontpassword(s2);
ac.set(i, a);
setList(i, ac);
setInformation(ac);
face(i,9,ac);
}
}
else
{
face(i,17,ac);
}
}
else
{
face(i,18,ac);
}
}
public static int qukuan(int i,ArrayList<Account> ac)
{
Account a=new Account();
Scanner input=new Scanner(System.in);
int f=0,m=0;
face(i,5,ac);
do
{
try
{
f=input.nextInt();
if(f<=0)throw new Exception();
}
catch(Exception e)
{
face(i,15,ac);
continue;
}
switch(f)
{
case 1:m=100;break;
case 2:m=500;break;
case 3:m=1000;break;
case 4:m=1500;break;
case 5:m=2000;break;
case 6:m=5000;break;
case 7:
{
try
{
m=input.nextInt();
if(m<=0)throw new Exception();
}
catch(Exception e)
{
face(i,15,ac);
continue;
}
};break;
case 8:return 1;
case 9:return 2;
}
}while(f>8);
if(ac.get(i).getAccountbalance()>=m)
{
a=ac.get(i);
a.setAccountbalance(a.getAccountbalance()-m);
a.setAmount(m*-1);
a.setOperatetype(2);
a.setOperatedate();
ac.set(i, a);
setList(i, ac);
setInformation(ac);
face(i,22,ac);
}
else
{
face(i,19,ac);
}
return 0;
}
//@SuppressWarnings("resource")
public static void cunkuan(int i,ArrayList<Account> ac)
{
Account a=new Account();
Scanner input=new Scanner(System.in);
int m=0,f=0;
face(i,4,ac);
try
{
m=input.nextInt();
if(m<=0) throw new Exception();

}
catch(Exception e)
{
face(i,15,ac);
f= -1;
}
a=ac.get(i);
a.setAccountbalance(a.getAccountbalance()+m);
a.setAmount(m);
a.setOperatetype(1);
a.setOperatedate();
ac.set(i, a);
setList(i, ac);
setInformation(ac);
if(f==0)
{
face(i,21,ac);
}
}
public static int id(String accountID,ArrayList<Account> ac)
{
int i=0,t=0;
if(accountID.length()!=8)//格式
{
return -2;
}
for(t=0;t<accountID.length();t++)//格式
{
if(accountID.charAt(t)<'0'||accountID.charAt(t)>'9')
{
return -2;
}
}
for(i=0;i<ac.size();i++)//查找 i 为账户序号
{
if(ac.get(i).getAccountID().equals(accountID)==true)
{
return i;
}
}
return -1;
}

public static int login(int i,String accountpassword,ArrayList<Account> ac)
{
int t=0;
if(accountpassword.length()!=6)//格式
{
return -1;
}
for(t=0;t<accountpassword.length();t++)//格式
{
if(accountpassword.charAt(t)<'0'||accountpassword.charAt(t)>'9')
{
return -1;
}
}
if(ac.get(i).getAccontpassword().equals(accountpassword)==true)//正误
{
return 1;
}
else
{
return -1;
}
}
public static void face(int select)
{
System.out.println("**********************************************");
System.out.println("\t欢迎使用中国工商银行自助柜台系统");
System.out.println("**********************************************");
switch(select)
{
case 1://输入账号
{
System.out.println("\t\t请输入你的账号");
}break;
case 2://输入密码
{
System.out.println("\t\t请输入你的密码");

}break;
}
}
public static void face(int i,int select,ArrayList<Account> ac)
{
System.out.println("**********************************************");
System.out.println(" 欢迎"+ac.get(i).getAccountname()+"使用中国工商银行自助柜台系统");
System.out.println("**********************************************");
switch(select)
{

case 3://主界面
{
System.out.println("\t\t1、 存款");
System.out.println("\t\t2、 取款");
System.out.println("\t\t3、 转账汇款");
System.out.println("\t\t4、 修改密码");
System.out.println("\t\t5、 查询余额");
}break;
case 4://存款
{
System.out.println("\t\t请输入存款金额");
}break;
case 5://取款
{
System.out.println("\t"+ac.get(i).getAccountname()+"账户当前账户每日可以支取2万元。");
System.out.println("\t\t1、100元");
System.out.println("\t\t2、500元");
System.out.println("\t\t3、1000元");
System.out.println("\t\t4、1500元");
System.out.println("\t\t5、2000元");
System.out.println("\t\t6、5000元");
System.out.println("\t\t7、其他金额");
System.out.println("\t\t8、退卡");
System.out.println("\t\t9、返回");
}break;
case 6://输入转账账户
{
System.out.println("\t\t请输入转账账户：");
}break;
case 7://输入转账金额
{
System.out.println("\t\t请输入转账金额：");
}break;
case 8://修改密码
{
System.out.println("\t\t请输入当前密码：");
System.out.println("\t\t请输入修改密码：");
System.out.println("\t\t请输入确认密码：");
}break;
case 9://修改密码成功
{
System.out.println("\t\t当前账户修改密码成功");
}break;
case 10://显示余额和操作流程
{
System.out.println("\t\t当前账户余额为 "+ac.get(i).getAccountbalance()+" 元。");
System.out.println("\t\t当前账户清单信息为：");
System.out.print(getList(i, ac));
Account a=ac.get(i);
a.setAmount(0);
a.setOperatetype(5);
a.setOperatedate();
setList(i, ac);
}break;
case 11:
{
System.out.println("\t该账号三次录入密码错误，该卡已被系统没收，请与工商银行及时联系。");
}break;
case 12:
{
System.out.println("\t\t该卡不是工商卡");
}break;
case 13:
{
System.out.println("\t\t该账号不存在");
}break;
case 14:
{
System.out.println("\t\t密码录入错误");
}break;
case 15:
{
System.out.println("\t\t请输入正整数");
}break;
case 16:
{
System.out.println("\t\t密码格式错误");
}break;
case 17:
{
System.out.println("\t修改密码与确认密码不一致");
}break;
case 18:
{
System.out.println("\t\t当前密码录入错误");
}break;
case 19:
{
System.out.println("\t\t账户余额不足");
}break;
case 20:
{
System.out.println("\t\t请输入\"Y\"或\"N\"");
}break;
case 21:
{
System.out.println("\t当前账户存款款"+ac.get(i).getAmount()+"成功。");
System.out.println("\t当前账户余额为 "+ac.get(i).getAccountbalance()+" 元。");
}break;
case 22:
{
System.out.println("\t当前账户取款"+ac.get(i).getAmount()+"成功。");
System.out.println("\t当前账户余额为 "+ac.get(i).getAccountbalance()+" 元。");
}break;
}
}
public static void face(int i,int t,int select,ArrayList<Account> ac)
{
String s=ac.get(t).getAccountname();
String star=s.substring(1);
star="*"+star;
System.out.println("*********************************************");
System.out.println(" 欢迎"+ac.get(i).getAccountname()+"使用中国工商银行自助柜台系统");
System.out.println("**********************************************");
switch(select)
{
case 1://确认
{
System.out.println("\t请确认是否向"+star+"转账"+ac.get(i).getAmount()*-1+"元");
}break;
case 2:
{
System.out.println("\t当前账户成功向"+star+"转账"+ac.get(i).getAmount()*-1+"元");
System.out.println("\t当前账户余额为 "+ac.get(i).getAccountbalance()+" 元。");
}break;
}
}

}