能传附件吗？不知道怎么传。我就贴给你吧。
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#includeiostream
#includestring
#includefstream
using namespace std;
class account //atm账户类
{
private:
string CardNum,Psw; //卡号、密码
float Balance;
public:
friend class ATM; //atm为友元
/*void get_cardnum();
void get_psw();
void get_balance();*/
account(){}//---------------------here
account(string num,string passwd,float balance); //构造函数
void Write();
};
class ATM //atm机类
{
private:
int times;
account *ac;
public:
ATM(); void load( account *act ); //装入账户信息
void welcome(); //初始欢迎信息
bool check_passwd( string pwd ); //验证当前账户信息的密码
void change_psw(); //修改密码
void get_money(); //取钱
float check_balance(); //查账
void tran(); //转账
void exit(); //退卡
void function_show(); //显示功能菜单
void lock(); //锁定账户
};
/*
* account::account( string num, string passwd, float balance )
* account类构造函数
* 用途： 使用给定的账号密码等信息初始化一个account对象
* 参数： string num 账号
* string passwd 密码
* float balance
*/
account::account( string num, string passwd, float balance )
{
CardNum = num;
Psw = passwd;
Balance = balance;
}
//atm类构造函数
/*account::get_cardnum()
{
return CardNum;
}
account::get_psw()
{
return Psw;
}
account::get_balance()
{
return Balance;
}*/
void account::Write()
{
ofstream outfile("atm.txt",ios::binary);//-----------------here
outfile.write((char *)(this),sizeof(account));//-------------here
outfile.close();
}
ATM::ATM()
{
}
/*
* void ATM::load( account *act )
* ATM类装入账户信息函数
* 用途： 载入指定的account对象，模拟atm插卡过程
* 参数： account *act 要载入的account对象指针
*/
void ATM::load( account *act )
{
ac = act;
}
/*
* void ATM::welcome()
* ATM类显示初始欢迎信息函数
* 用途： 显示欢迎信息，提示密码输入并验证
* 参数： 无
*
*/
void ATM::welcome()
{
times = 0; //记录密码输入错误次数
cout "Welcome to use the China Bank ATM!" endl;
string pwd; //这一个语句应该上移的，一般来说数据的定义和初始化一块写在开头，下面才是各种操作的语句
while( times 3 )
{
cout "Please enter the password: " endl;
cin pwd;
if( !check_passwd( pwd ) )
{
cout "The password you entered is wrong, please enter again" endl;
times++;
}
else
{
function_show();
break;
}
}
if( times = 3 )
lock(); //输入密码错误次数超过（等于）3次，锁定账户
}
bool ATM::check_passwd( string pwd )
{
if( pwd == ac-Psw )
return true;
else
return false;
}
void ATM::function_show()
{
int n;
cout "(1) Change Password" endl;
cout "(2) Get Money" endl;
cout "(3) Check Balance" endl;
cout "(4) Transfer accounts" endl;
cout "(5) Exit" endl;
cin n;
while(n != 1 n != 2 n != 3 n != 4 n != 5) //这样就可以完全限制用户的输入
{
cout "Please enter the right number" endl;
cin n;
}
switch( n )
{
case 1:
change_psw();
break;
case 2:
get_money();
break;
case 3:
cout check_balance() endl;
break;
case 4:
tran();
break;
case 5:
exit();
break;
}
}
void ATM::lock()
{
cout "Sorry! Your card has been confiscated!" endl;
exit();
}
void ATM::change_psw()
{
string old_psw, new_psw1, new_psw2;
int t = 0 ;
while( t 3 )
{
cout "Please enter the old password: ";
cin old_psw;
if( !check_passwd( old_psw ) )
{
cout "The password you enter is wrong, please enter again" endl;
t++;
}
else
{
cout "Please enter the new password: ";
cin new_psw1;
cout "Please enter the new password again: ";
cin new_psw2;
if( new_psw1 == new_psw2 )
{
ac - Psw = new_psw2;
cout "You have change your password successfully!" endl;
break;
}
else
cout "Sorry, entered passwords do not match! " endl;
}
}
//}//----------------------here
if( t = 3 )
{
cout "Sorry, you have inputed the wrong password for three times and more! " endl;
}
}
void ATM::get_money()
{
float money;
cout "Please enter the amount of money you want to get: " endl;
cin money;
while( money ac - Balance)
{
cout "Your balance is not enough, please enter again" endl;
cin money;
}
ac - Balance = ac - Balance - money;
}
float ATM::check_balance()
{
return ac - Balance;
}
void ATM::tran()
{
account a[5];
string cn;
float m;
cout"please enter the cardnum of the account you want to transfer money to"endl;
cincn;
ifstream infile("atm.txt",ios::binary);
infile.seekg(0,ios::beg);
for(int i=0;i5;i++)
{
infile.read((char *)(a[i]),sizeof(a[i]));
}
for(int j=0;j5;j++)
{
if(cn==a[i].CardNum)
{
cout"please enter the amount of money"endl;
cinm;
while(mac-Balance)
{
cout"there is no enough money in your account,please enter again"endl;
cinm;
}
ac-Balance=ac-Balance-m;
a[i].Balance=a[i].Balance+m;
ofstream outfile("atm.txt",ios::binary);
outfile.seekp(i*sizeof(a[0]),ios::beg);
outfile.write((char *) a[i],sizeof(a[i]));
}
}
if(j=5)
{
cout"the account doesn't exit"endl;
}
}
void ATM::exit()
{
cout "Please take your card!" endl;
}
int main()
{
account a[5]={account("10001","1111",5000.0f),account("10002","2222",10000.0f),account("10003","3333",15000.0f),
account("10004","4444",20000.0f),account("10005","5555",25000.0f)};
account temp( "10001", "1111", 5000.0f );
ATM atm;
atm.load( temp );
atm.welcome();
return 0;
}
真正的ATM系统不可能只是用C语言编写的，它应该是一套完整独立的系统，核心代码更机密，不会轻易的泄露。
C语言可以写一个类似于ATM系统的框架，用以模拟ATM机上的各种操作。
框架代码如下：
#includeiostream.h
#includestdio.h
int main()
{
int choice =- 1;
while(1) {
printf("请选择\n1.login\t2.regist\n");
scanf("%d", choice);
switch(choice) {
case 1:
login();
break;
case 2:
regist();
break;
default:
printf("输入有误，重新输入\n");
break;
}
}
return 0;
}
void login() {
printf("IN LOGIN\n");
int flag = -1;
int X = -1;
printf("输入账户和密码\n");
flag = search();
if(falg == 1) {
printf("存在，进入主页面\n");
X = menu();
if(X == 1)
return;
}
else if(flag == 0) {
printf("账户或密码错误\n");
return;
}
}
int regist() {
printf("IN REGIST\n");
return 1;
}
int menu() {
printf("IN MENU\n");
int key = -1;
int N = -1;
while(1) {
printf("请选择业务：1.refer\t2.deposit\t3.withdraw\t4.transfer\t5.resetPW\t6.退出\n");
scanf("%d", key);
switch(key) {
case 1:
N = refer();
break;
case 2:
N = deposit();
break;
case 3:
N = withdraw();
break;
case 4:
N = transfer();
break;
case 5:
N = resetPW();
break;
case 6:
N = 6;
return 1;
break;
default:
printf("输入有误，重新选择：\n");
break;
}
if(N%2 == 0) {
printf("Error!\n");
}
}
}
int refer() {
printf("IN REFER\n");
//输出余额
return 1;
}
int deposit() {
printf("IN DEPOSIT\n");
//存钱
return 3;
}
int withdraw() {
printf("IN WITHDRAW\n");
//取钱
return 5;
}
int transfer() {
ptintf("IN TRANSFER\n");
//转账
return 7;
}
int resetPW() {
prtintf("IN RESETPW\n");
//重设密码
return 9;
}
#include stdio.h
#include stdlib.h
#include conio.h
#include string.h
void regist();
void login();
void quite();
void inputpassword(char mima[]);
void service();
struct bank
{
char name[20];
char password[7];
int account;
double money;
}kehu;
int find;
int a[10];
struct bank one;
FILE *fp;
void main()
{
int i;
int t=1;
for(i=0;i100;i++)
{
printf("\t\t\t\t\t\t欢迎使用青软ATM系统\n");
printf("\t\t\t\t\t\t正在进入主界面，请稍等");
int j;
for(j=1;jt;j++)
{
printf(".");
}
t++;
if(t==10)
{
t=1;
}
printf("\n\t\t\t\t\t\t%d%%",i);
system("cls");
}
while(1)
{
printf("\t\t\t\t\t\t服务类型: \n");
printf("\t\t\t\t\t\t[a]: 用户注册\n");
printf("\t\t\t\t\t\t[b]: 用户登录\n");
printf("\t\t\t\t\t\t[c]: 退出系统\n");
printf("\t\t\t\t\t\t请选择服务： ");
fflush(stdin);
char xz;
scanf("%c",xz);
if(xz=='a'||xz=='A')
{
regist();
} else if (xz=='b'||xz=='B')
{
login();
} else if(xz=='c'||xz=='C')
{
quite();
} else
{
printf("输入有误，请重新输入");
}
getch();
system("cls");
}
}
void inputpassword(char mima[])
{
int i=0;
char ch;
while(1)
{
ch=getch();
if(ch!='\r')
{
if(ch!='\b'){
mima[i]=ch;
i++;
printf("*");
}else{
if(i0){
i--;
printf("\b \b");
}
}
}else{
break;
}
}
mima[i]='\0';
printf("\n");
}
void regist()
{
fp=fopen("atm.txt","ab+");
if(fp==NULL)
{
printf("\n\t\t\t文件打开失败!");
return;
}
system("cls");
printf("\t\t\t现在执行的是注册函数的使用\n");
printf("\t\t请输入用户名: ");
fflush(stdin);
gets(kehu.name);
char password1[7];
while(1)
{
while(1)
{
printf("\n\n\t\t请输入密码：");
fflush(stdin);
inputpassword(kehu.password);
int n=strlen(kehu.password);
if(n==6)
{
break;
}else
{
printf("\n\t\t密码必须为6位!");
}
}
printf("\n\t\t请输入正确密码!: ");
fflush(stdin);
inputpassword(password1);
if(strcmp(kehu.password,password1)==0)
{
break;
}else{
printf("\n\n\t\t两次密码必须相同！");
}
}
rewind(fp);
struct bank k;
if(fread(k,sizeof(struct bank),1,fp)==1)
{
fseek(fp,-sizeof(k),2);
fread(k,sizeof(k),1,fp);
kehu.account=k.account+1;
}else{
kehu.account=20170001;
}
kehu.money=0;
fseek(fp,0,2);
fwrite(kehu,sizeof(struct bank),1,fp);
fclose(fp);
printf("\n\n\t\t开户成功! ");
printf("\n\t\t您的账号为%d!",kehu.account);
printf("\n\t\t现在请您重新登录!");
}
void searchmoney()
{
system("cls");
printf("您现在使用的是查询余额功能: \n");
printf("\n\n\t\t您的余额是%0.2lf",one.money);
}
void savemoney()
{
system("cls");
double inmoney;
printf("请您选择您要存款的金额 \n");
scanf("%lf",inmoney);
int q;
int r=1;
for(q=0;q100;q++)
{
int w;
for(w=1;wr;w++)
{
printf(".");
}
r++;
if(r==10)
{
r=1;
}
printf("\n\t\t\t\t\t\t正在存款%d%%",q);
system("cls");
}
one.money=one.money+inmoney;
fseek(fp,-sizeof(one),1);
fwrite(one,sizeof(one),1,fp);
printf("\n\n\t\t\t\t\t\t您已存款成功!");
}
void withdrawalmoney()
{
system("cls");
double outputsomemoney;
printf("请您选择您要取款的金额 \n");
scanf("%lf",outputsomemoney);
if(one.moneyoutputsomemoney){
printf("您的余额已不足，请您注意!");
}else {
int q;
int r=1;
for(q=0;q100;q++)
{
int w;
for(w=1;wr;w++)
{
printf(".");
}
r++;
if(r==10)
{
r=1;
}
printf("\n\t\t\t\t\t\t正在取款%d%%",q);
system("cls");
}
one.money=one.money-outputsomemoney;
fseek(fp,-sizeof(one),1);
fwrite(one,sizeof(one),1,fp);
printf("\n\n\t\t\t\t\t\t您已取款成功!请点清钞票!");
printf("\n\n\t\t\t\t\t\t您现在的余额为%lf",one.money);
}
}
void transfermoney()
{
system("cls");
int duifang;
int qian;
fflush(stdin);
printf("\n\n\n\t\t您现在使用的是转账功能");
printf("\n\t\t\t请输入您要转账的账户:");
scanf("%d",duifang);
int n=ftell(fp);
rewind(fp);
int flag=0;
struct bank temp;
while(fread(temp,sizeof(temp),1,fp)==1)
{
if(temp.account==duifang)
{
flag=1;
break;
}
}
if(flag==1)
{
printf("请输入转账金额：");
scanf("%d",qian);
if(one.money=qian)
{
int q;
int r=1;
for(q=0;q100;q++)
{
int w;
for(w=1;wr;w++)
{
printf(".");
}
r++;
if(r==10)
{
r=1;
}
printf("\n\t\t\t\t\t\t正在转账，请稍后!%d%%",q);
system("cls");
}
temp.money=temp.money+qian;
fseek(fp,-sizeof(temp),1);
fwrite(temp,sizeof(temp),1,fp);
one.money=one.money-qian;
fseek(fp,n-sizeof(one),0);
fwrite(one,sizeof(one),1,fp);
printf("\n\t\t\t\t转账成功!");
}else{
printf("\n\t\t\t\t您的余额已不足!");
}
}
}
void xiugai(){
system("cls");
printf("\n\n\t\t 现在进行的是修改密码功能\n");
char oldpassword[7];
char newpassword[7];
char newpassword1[7];
int i;
for(i=0;i3;i++){
printf("\n\t\t\t 请输入旧密码：\n");
inputpassword(oldpassword);
if(strcmp(oldpassword,one.password)==0){
printf("\n\t\t\t 输入成功！\n");
break;
}else{
printf("\n\t\t\t 密码输入有误，请重新输入！\n");
}
}
if(i3){
while(1){
printf("\n\t\t\t 请输入您的新密码：\n");
inputpassword(newpassword);
printf("\n\t\t\t 请输入您的确认密码：\n ");
inputpassword(newpassword1);
if(strcmp(newpassword,newpassword1)==0){
strcpy(one.password,newpassword);
fseek(fp,-sizeof(one),1);
fwrite(one,sizeof(one),1,fp);
printf("\n\t\t\t 密码修改成功！");
break;
}else{
printf("\n\t\t\t 两次密码输入不一致！");
}
}
}else{
printf("\n\t\t\t 密码输入错误！");
}
}
int zhuxiaozhanghao()
{
system("cls");
int zhuxiaoxitong;
char sf;
printf("你要注销的账号是%d",one.account);
printf("你是否要对此账号进行注销?\n\n\t\t请您选择:注销(Y)or不注销(N)：");
fflush(stdin);
scanf("%c",sf);
if(sf=='y'||sf=='Y')
{
printf("正在为您注销!\n",one.account);
zhuxiaoxitong=1;
}else{
printf("不注销系统!\n",one.account);
}
return zhuxiaoxitong;
}
void service()
{
while(1){
system("cls");
printf("\n\n\n\t\t\t\t\t\t现在是服务系统,本系统有以下服务");
printf("\n\t\t\t\t\t\t[a] 查询余额\n");
printf("\n\t\t\t\t\t\t[b] 存款服务\n");
printf("\n\t\t\t\t\t\t[c] 转账服务\n");
printf("\n\t\t\t\t\t\t[d] 取款服务\n");
printf("\n\t\t\t\t\t\t[e] 修改密码\n");
printf("\n\t\t\t\t\t\t[f] 注销 \n");
printf("\n\t\t\t\t\t\t[g] 退出系统\n");
char e;
printf("\n\t\t\t\t\t\t您要选择的服务是:");
fflush(stdin);
scanf("%c",e);
switch(e)
{ case'A':
case'a': searchmoney() ;break;
case'B':
case'b': savemoney() ;break;
case'C':
case'c': transfermoney() ;break;
case'D':
case'd': withdrawalmoney() ;break;
case'E':
case'e': xiugai() ;break;
case'F':
case'f': {int zhuxiaoxitong=zhuxiaozhanghao();{if(zhuxiaoxitong==1) return;}break;}
case'G':
case'g': quite();break;
}
printf("\n\n\n\t\t\t\t按任意键继续......\n");
getch();
}
}
void login()
{
fp=fopen("atm.txt","rb+");
if(fp==NULL)
{
printf("\n\n\n\t\t\t\t文件打开失败!");
return;
}
system("cls");
printf("\n\t\t\t\t\t\t现在执行的是登录函数的使用\n");
int zhanghao;
printf("\n\t\t\t\t\t\t请输入账号:");
scanf("%d",zhanghao);
int flag=0;
while(fread(one,sizeof(one),1,fp)==1)
{
if(zhanghao==one.account){
flag=1;
break;
}
}
char password2[7];
if(flag==1){
int h;
for(h=0;h3;h++){
printf("\n\t\t\t\t\t\t请输入密码:");
fflush(stdin);
inputpassword(password2);
if(strcmp(password2,one.password)==0)
{
printf("\n\t\t\t\t\t\t登陆成功!");
service();
break;
}else{
printf("密码不正确！");
}
}
if(h==3){
printf("\n\t\t\t您的密码三次输入有误,返回");
}
}else{
printf("无此账号！");
}
fclose(fp);
}
void quite()
{
system("cls");
printf("\t\t\t现在执行的是退出函数的使用\n");
exit(0);
}
#includestdio.h
#includestring.h
void print_welcome();
int main()
{
print_welcome();
char c[11]="1234567890",d[7]="123456";
char a[20],b[20];
char p,q;
int h=0,i=0,j=0,k,l=0;
do
{
printf("请输入账号：\n");
gets(a);
printf("请输入密码：\n");
gets(b);
if(strcmp(c,a)==0strcmp(d,b)==0)
{
printf("账号正确 欢迎使用\n");
h++;
}
else
printf("账号或密码错误请重新输入\n");
}while(h!=1);
do
{
print_welcome();
retrn:
printf("请选择对应的字母\n");
printf(" a存款业务 \n");
printf(" b余额查询\n");
printf(" c资金转账\n");
printf(" d取款业务\n");
printf(" e退卡\n");
printf("请选择您要办理的业务\n");
scanf("%c",p);
getchar();
switch(p)
{
case'a':printf(" 存款业务\n");
printf("**本服务暂停 请重新选择**\n");
break;
case'b':
printf(" 余额查询\n");
printf("**您的余额为 ￥9999999\n请重新选择**\n");
break;
case'c':
printf(" 资金转账\n");
printf("**您的银行卡不支持该业务 请重新选择**\n");
break;
case'd':
printf(" 取款业务\n");
do
{
printf("请选择您要取款的金额\n**请输入序号\n**请您注意每位用户每天只能去20000 每次最多取2500\n");
printf(" r 100\n");
printf(" s 200\n");
printf(" t 500\n");
printf(" u 1000\n");
printf(" v 2000\n");
printf(" w 其他\n");
printf(" x 返回\n");
printf("请选择要取的金额\n");
scanf("%c",q);
getchar();
switch(q)
{
case'r':printf("**取款成功 金额为100元**");goto retrn;break;
case's':printf("**取款成功 金额为200元**");goto retrn;break;
case't':printf("**取款成功 金额为500元**");goto retrn;break;
case'u':printf("**取款成功 金额为1000元**");goto retrn;break;
case'v':printf("**取款成功 金额为2000元**");goto retrn;break;
case'w':printf("**请输入你想取出的金额**\n**并保证是100的倍数\n");
while(l!=1)
{
scanf("%d",k);
getchar();
if(k%100==0k=0k=2500)
{
printf("您取出的金额%d元\n",k);
l++;
goto retrn;
}
else
{
printf("您输入的面额有误请重新输入\n");
printf("请您保证为100的倍数\n");
}
}
break;
case'x':goto retrn;break;
default:printf("**操作有误请从新输入**");
j++;
}
}while(j!=1);
break;
case'e':
printf("**欢迎您的使用 请勿忘取卡**\n");
i++;
break;
default:printf("**操作有误请从新输入**\n");
}
}while(i!=1);
print_welcome();
return 0;
}
void print_welcome()
{
printf(" **欢迎使用**\n");
}
#includeiostream#includecstringusing namespace std;class count{public:friend class ATM;count (char Name[],char Num[],floatMoney,char Password[]); //初始化protected:char * get_name(); //返回姓名char * get_num(); //返回卡号char * get_password(); //返回密码float get_money(); //返回金额void set_password(char pwd[]); //设置密码void set_money(float m); //取钱private:char password[6]; //用户密码char name[20]; //用户姓名char num[20];float money;};class ATM{public:ATM(count cn):ctm(cn){}void welcome(); //登陆界面bool check_password(char p[],char pwd[]); //核对密码void change_password(); //修改密码void get_money(); //取钱void get_information(); //查询信息void exit_ATM(); //退出ATMvoid show_function(); //功能界面void push_card(); //吞卡private:int times; //记录输入密码的次数count ctm;};//构造ATM的函数void ATM::welcome() //构造welcome{times=0;cout"欢迎使用ATM模拟自动取款机"endl;cout"-------------------------"endl;cout"请选择:\n1.新开帐户\t2.客户服务\t3.退出系统"endl; //输出主菜单char pwd[7],num[20]; //6位密码19位卡号int i=0;do{cout"请输入卡号";cinnum;cout"请输入密码：";cinpwd;if(!check_password(num,pwd)){cout"你输入的密码有错误，请重新输入"endl;times++;}else{show_function();}}while(times3);push_card();}bool A.....
#includestdio.h
int chaxun(int a3)
{
int b;
b=a3;
printf("你的余额为：%d\n",b) ;
}
int qukuan(int a3)
{
int a,b;
printf("请输入您要提取的现金：\n");
scanf("%d",a);
b=a3-a;
if(b0)
printf("对不起 ，你的余额不足\n");
else
{
printf("请收好您的%d元现金\n",a);
a3=a3-a;
}
return (a3);
}
int gaini(int a2)
{
int a,b,c=1,d,e=1;
while(e)
{
printf("请输入你的旧密码：\n");
scanf("%d",d);
if(d==a2)
e=0;
else
{
e=1;
printf("你输入的密码错误，请重新输入：\n");
}
}
while(c)
{
printf("请输入您的六位数新密码\n");
scanf("%d",a2);
printf("请确认您的六位数新密码\n");
scanf("%d",b);
if(a2==b)
{
if(b100000b999999b/(b/100000)!=111111)
{
c=0;
printf("密码修改成功\n");
}
else
{
printf("您输入的密码不符合要求，请从新输入\n");
c=1;
}
}
else
{
c=1;
printf("您两次输入的密码不一致，请重新输入：\n");
}
}
return a2;
}
int quka()
{
printf("\n 梦若保保提醒您\n");
printf("请收好您的卡片，谢谢，再见\n\n");
}
int cunkuan(int a3)
{
int i,j,k;
printf("请输入你要存的金额\n");
scanf("%d",k);
if(k0)
{
printf("对不起，没有负存款\n");
}
else
{
printf("\n您好，您已经存进去了%d元\n",k);
a3=a3+k;
}
return a3;
}
main()
{
int i,j,b=1,c,k,l,m,n;
int a1=123456,a2=123456,a3=1000;
printf("欢迎使用自动柜员机：\n\n");
while(b==1)
{
printf("请输入您的账号：\n");
scanf("%d",k);
printf("请输入您的密码：\n");
scanf("%d",l);
if(k==a1l==a2)
{
b=0;
printf("您的账户余额为：%d\n",a3);
}
else
{
b=1;
printf("对不起，您输入的账号或者密码有误，请重新输入：\n");
}
}
do
{
printf("\n请选择您要的服务项目：\n");
printf("1.查询余额\n");
printf("2.取款\n");
printf("3.修改密码\n");
printf("4.取卡\n");
printf("5.存款\n");
scanf("%d",c);
switch(c)
{
case 1:
chaxun(a3);
break;
case 2:
a3=qukuan(a3);
break;
case 3:
a2=gaini(a2);
break;
case 4:
quka();
break;
case 5:
a3=cunkuan(a3);
break;
}
}while(c!=4);
}