atm.txt

ATM自动模拟机: 包名：COM 类名：TEXT

package com;
/**
 * @version 1.0
 * @author Devil_Angel
 * 该程序的功能为实现模拟银行ATM自动取款机提款,查询等功能.
 * 
 */
import java.io.*;

/*该类为实现客户信息及部分功能*/
class Account {
 private String code    =null;   //信用卡号
 private String name    =null;   //客户姓名
 private String password=null;   //客户密码
 private double money   =0.0;   //卡里金额


	/********************/
	 public Account(String code,String name,String password,double money)
	 {
	  this.code=code;
	  this.name=name;
	  this.password=password;
	  this.money=money;
	 }
	 
	 protected String get_Code() {
	  return code;
	 }
	 
	 protected String get_Name() {
	  return name;
	 }
	 
	 protected String get_Password() {
	  return password;
	 }
	 
	 public double get_Money() {
	  return money;
	 }
	 
	 /*得到剩余的钱的数目*/
	 protected void set_Balance(double mon) {
	  money -= mon;
	 }
	}

	/**********实现具体取款机功能*********/
	class ATM {
	 Account act;
	// private String name;
	// private String pwd;
	 
	 public ATM() {
	  act=new Account("000000","Devil","123456",50000);
	 }
	 
	 /***********欢迎界面***********/
	 protected void Welcome()
	 {
	  String str="---------------------------------";
	  System.out.print(str+"\n"+
	       "欢迎使用Angel模拟自动取款机程序.\n"+str+"\n");
	  System.out.print(" 1.>取款."+"\n"+
	       " 2.>查询信息."+"\n"+
	       " 3.>密码设置."+"\n"+
	       " 4.>退出系统."+"\n");
	 }
	 
	 /**********登陆系统**********/
	 protected void Load_Sys() throws Exception
	 {
	  String card,pwd;
	  int counter=0;
	  
	  BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
	  do {
	   System.out.println("请输入您的信用卡号:");
	   card=br.readLine();
	   System.out.println("请输入您的密码:");
	   pwd=br.readLine();
	   
	   if(!isRight(card,pwd))
	   {
	    System.out.println("您的卡号或密码输入有误.");
	    counter++;
	   }
	   else
	    SysOpter();
	   
	  }while(counter<3);
	  Lock_Sys();
	 }
	 
	 /**********系统操作**********/
	 protected void SysOpter() throws Exception
	 {
	  int num;
	  BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
	  System.out.println("请选择您要操作的项目(1-4):");
	  num=br.read();  //num为ASICC码转换的整数
	  switch(num) {
	  case 49: BetBalance(); break;
	  case 50: Inqu_Info(); break;
	  case 51: Set_Password(); break;
	  case 52: Exit_Sys();  break;
	  }
	  System.exit(1);
	 }
	 
	 /**********信息查询**********/
	 protected void Inqu_Info() {
	  System.out.print("---------------------\n"+
	       act.get_Code()+"\n"+
	       act.get_Name()+"\n"+
	       act.get_Money()+"\n"+
	       "-----------------------");
	 }
	 
	 /**********取款**********/
	 public void BetBalance() throws Exception
	 {
	  String str=null,str1;
	  BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
	  do {
	   System.out.println("请输入您要取的数目:");
	   str=br.readLine();
	   str1=String.valueOf(act.get_Money());
	   if(str.compareTo(str1)>0) {
	    System.out.println("超过已有的钱数,请重新输入您要取的数目:");
	   }
	   else {
	    /*操作成功*/
//	    act.set_Balance(str);
	    System.out.println("取款成功,请收好您的钱.");
	    Welcome();
	    SysOpter();
	   }
	  }while(true);
	  
	 }
	 
	 /**********判断卡内是否有钱**********/
	 protected boolean isBalance() {
	  if(act.get_Money()<0) { 
	//   System.out.println("对不起,您的钱数不够或卡已透支.");
	   return false;
	  }
	  return true;
	 }
	 
	 /********卡号密码是否正确******/
	 protected boolean isRight(String card,String pwd)
	 {
	  if(act.get_Code().equals(card) && act.get_Password().equals(pwd))
	   return true;
	  else
	   return false;
	 }
	 
	 /**********密码修改**********/
	 protected void Set_Password() throws Exception
	 {
	  String pwd=null;
	  int counter=0;
	  BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
	  do {
	   System.out.println("请输入旧密码:");
	   pwd=br.readLine();
	   if(act.get_Password().equals(pwd))
	   {
	    do {
	     System.out.println("请输入新密码:");
	     String pwd1=br.readLine();
	     System.out.println("请再次输入新密码:");
	     String pwd2=br.readLine();
	     if(!pwd1.equals(pwd2))
	     {
	      System.out.println("两次输入不一致,请再次输入.");
	     }
	     else
	     {
	      System.out.println("密码修改成功,请使用新密码.");
	      Welcome();
	      SysOpter();
	     }
	    }while(true);
	   }
	  }while(counter>3);
	  
	 }
	 
	 /**********锁定机器**********/
	 protected void Lock_Sys() {
	  System.out.println("对不起,您的操作有误,卡已被没收.");
	  System.exit(1);
	 }
	 
	 /**********结束系统**********/
	 protected void Exit_Sys() {
	  System.out.println("感谢您使用本系统,欢迎下次在来,再见!");
	  System.exit(1);
	 }
	 
	}

	public class Text
	{
	 public static void main(String[] args) throws Exception
	 {
	  ATM atm=new ATM();
	  atm.Welcome();
	  atm.Load_Sys();     // atm.Exit_Sys();
	 }
	}