ATM.zip_site:www.pudn.com

import java.io.*; import java.util.*; import java.text.*; import java.io.File; /* e: cd java javac atm.java java ATM 2011001 123456 */ class ATM { public static void main(String[] args) throws Exception { Scanner in=new Scanner(System.in); for (;;) { System.out.print("请输入登录卡号："); String account=in.nextLine(); System.out.print("请输入登录密码："); String password=in.nextLine(); BufferedReader br=new BufferedReader(new FileReader("UserInfo.txt")); while (br.ready()==true) { String s1=br.readLine(); String[] s2=s1.split("#"); if (s2[0].equals(account)&&s2[1].equals(password)) { if (s2[3].equals("ADMIN")) { AdminOperation ad=new AdminOperation(); for (;;) { System.out.println("\n\n*********************"); System.out.println("welcome admin."); System.out.println("1.查询所有活期用户信息"); System.out.println("2.创建活期帐号（开新卡）"); System.out.println("3.查询当前ATM资金余额"); System.out.println("4.修改密码"); System.out.println("0.退出"); System.out.println("*********************\n\n"); int adminchoice=in.nextInt(); if (adminchoice==1) { ad.printAll(); } else if (adminchoice==2) { ad.addNew(); } else if (adminchoice==3) { int k=0; BufferedReader file3=new BufferedReader(new FileReader("UserInfo.txt")); while (file3.ready()) { String s3=file3.readLine(); String[] s4=s3.split("#"); int i=Integer.parseInt(s4[2]); k=k+i; } System.out.println(k); file3.close(); } else if (adminchoice==4) { br.close(); ad.changePsw(s2); br=new BufferedReader(new FileReader("UserInfo.txt")); } else if (adminchoice==0) { in.nextLine(); return ; } } } else { userOperation user=new userOperation(); for (;;) { System.out.println("\n\n*********************"); System.out.println("welcome user"); System.out.println("1.查询余额"); System.out.println("2.存款"); System.out.println("3.取款"); System.out.println("4.查询存取款明细"); System.out.println("5.修改密码"); System.out.println("0.退出"); System.out.println("******************\n\n"); int x=in.nextInt(); if (x==1) { BufferedReader usermoney=new BufferedReader(new FileReader("UserInfo.txt")); while (usermoney.ready()==true) { String s0=usermoney.readLine(); String[] s9=s0.split("#"); if (s9[0].equals(account)) { System.out.println(s9[2]); usermoney.close(); break; } } usermoney.close(); } if (x==2) { br.close(); user.saveMoney(s2); br=new BufferedReader(new FileReader("UserInfo.txt")); } else if (x==3) { br.close(); user.takeMoney(s2); br=new BufferedReader(new FileReader("UserInfo.txt")); } else if (x==4) { user.printRecord(s2); } else if (x==5) { br.close(); user.changePsw(s2); br=new BufferedReader(new FileReader("UserInfo.txt")); } else if (x==0) { return ; } } } } } } } } class AdminOperation { public boolean checkAcc(String k) throws Exception { BufferedReader file7=new BufferedReader(new FileReader("UserInfo.txt")); while (file7.ready()==true) { String s3=file7.readLine(); String[] s4=s3.split("#"); if(k.equals(s4[0])) { file7.close(); return true; } } file7.close(); return false; } public void printAll() throws Exception { System.out.println("卡号 密码 余额 账户类型 开户时间"); BufferedReader file1=new BufferedReader(new FileReader("UserInfo.txt")); while (file1.ready()==true) { String s3=file1.readLine(); String[] s4=s3.split("#"); for (int j=0;j<5;j++) { System.out.print(s4[j]+" "); } System.out.print("\n"); } file1.close(); }; public void addNew() throws Exception { String new_acc=" "; Scanner in=new Scanner(System.in); for(;;) { System.out.println("请输入卡号（新）："); new_acc=in.nextLine(); if(checkAcc(new_acc)==false) { break; } } System.out.println("请输入密码（新）："); String new_psw=in.nextLine(); System.out.println("请输入类型（管理员：1，普通活期账户：2）"); String new_type; if (in.nextLine().equals("1")) { new_type="0#ADMIN"; } else { new_type="10000#HQ"; } Date now=new Date(); DateFormat d2 = DateFormat.getDateTimeInstance(); String new_date = d2.format(now); RandomAccessFile file2=new RandomAccessFile("UserInfo.txt","rw"); String new_all=new_acc+"#"+new_psw+"#"+new_type+"#"+new_date+"\r\n"; long length1=file2.length(); file2.seek(length1); file2.writeBytes(new_all); file2.close(); }; public void changePsw(String[] s2) throws Exception { Scanner in=new Scanner(System.in); BufferedReader file15=new BufferedReader(new FileReader("UserInfo.txt")); while (file15.ready()==true) { String s3=file15.readLine(); String[] s4=s3.split("#"); if (s4[0].equals(s2[0])) { s2=s4; break; } } file15.close(); System.out.println("请输入两次旧密码:\n"); String old1=in.nextLine(); String old2=in.nextLine(); for (;(!old1.equals(old2))||!old1.equals(s2[1]);) { System.out.println("请输入两次旧密码:\n"); old1=in.nextLine(); old2=in.nextLine(); } System.out.println("请输入新密码（长度不小于6位，不允许6位完全相同）："); String new1=in.nextLine(); String new2=in.nextLine(); for (;(!new1.equals(new2))||(Integer.parseInt(new2)<=999999&&Integer.parseInt(new2)%111111==0)||Integer.parseInt(new2)<100000;) { System.out.println("请输入两次新密码:\n"); new1=in.nextLine(); new2=in.nextLine(); } File file5=new File("temp.txt"); file5.createNewFile(); BufferedReader file7=new BufferedReader(new FileReader("UserInfo.txt")); RandomAccessFile file8=new RandomAccessFile("temp.txt","rw");