Java编写的模拟ATM取款机程序
?????? " 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();
?}
}
?
