c++ 银行储蓄管理系统
/* Note:Your choice is C IDE */
#include "stdio.h"
#include "string.h"
#define N 50
//银行的结构体
struct Bank
{
char name[20]; //姓名
char password[20];//登录密码
int cardno; //卡号
double money; //帐上余额
}bank[N];
//记录系统中已经开户的用户数
int count=0;
//开户
void kaihu();
//存款
void cunkuan();
//取款
void qukuan();
//登录
int login();
//查询
void find();
//转账
void transfer();
void main()
{
int num;
do{
printf("\t\t\t*******************************************************\n");
printf("\t\t\t* *\n");
printf("\t\t\t* 欢迎进入中国银行系统 *\n");
printf("\t\t\t* *\n");
printf("\t\t\t*******************************************************\n");
printf("\t\t\t请选择您要办理的业务：\n");
printf("\t\t\t\t1.开户：\n");
printf("\t\t\t\t2.存款：\n");
printf("\t\t\t\t3.取款：\n");
printf("\t\t\t\t4.查询余额：\n");
printf("\t\t\t\t5.转账：\n");
printf("\t\t\t\t6.退出：\n");
scanf("%d",&num);
switch(num)
{
case 1://开户
kaihu();
break;
case 2://存款
cunkuan();
break;
case 3: //取款
qukuan();
break;
case 4://查询
find();
break;
case 5://转账
transfer();
break;
case 6:
break;
}
printf("按任意键继续......\n");
getch();//暂停
system("cls");
}while(num!=6);
}
//开户
void kaihu()
{
printf("请输入您的姓名：");
scanf("%s",bank[count].name);//字符数组赋值 字符数组，数组传址，所以可以不写 &.
printf("请输入卡号：");
scanf("%d",&bank[count].cardno);
printf("请输入密码：");
scanf("%s",bank[count].password);
printf("请输入开户金额：");
scanf("%lf",&bank[count].money);
printf("恭喜你开户成功！请妥善保管您的个人信息，详细信息如下：\n");
printf("您的姓名是：%s,您的卡号是：%d,您的密码是：%s,您的账上余额是:%0.2lf\n",bank[count].name,bank[count].cardno,bank[count].password,bank[count].money);
count++;
}
//登录,返回数组的下标
int login()
{
int m_cardno;
int i;
int index=-1;//登录成功的用户下标
char m_password[20];
printf("请输入卡号和密码");
scanf("%d,%s",&m_cardno,m_password);
for(i=0;i<count;i++)
{
if(m_cardno==bank[i].cardno && strcmp(m_password,bank[i].password)==0) //字符串比较要加头文件 "string.h"
{
index = i;
break; //找到以后立即终止循环
}
}
return index;
}
//存款
void cunkuan()
{
double m_money;
int currentIdx;
//返回的下标大于等于0时，表示登录成功
currentIdx=login();
if(currentIdx>=0)
{
printf("请输入你要存款的金额：");
scanf("%lf",&m_money);
printf("存款之前您的账上余额是：%0.2lf\n",bank[currentIdx].money);
bank[currentIdx].money += m_money;
printf("存款%0.2lf元，您的账上余额是：%0.2lf\n",m_money,bank[currentIdx].money);
}else{
printf("您输入的卡号或密码错误\n");
}
}
//取款
void qukuan()
{
double m_money;
int currentIdx;
//返回的下标大于等于0时，表示登录成功
currentIdx=login();
if(currentIdx>=0)
{
printf("请输入你要取款的金额：");
scanf("%lf",&m_money);
if(bank[currentIdx].money-m_money>=0)
{
printf("取款之前您的账上余额是：%0.2lf\n",bank[currentIdx].money);
bank[currentIdx].money -= m_money;
printf("取款%0.2lf元，您的账上余额是：%0.2lf\n",m_money,bank[currentIdx].money);
}else{
printf("余额不足!\n");
}
}else{
printf("您输入的卡号或密码错误\n");
}
}
//查询
void find()
{
int currentIdx;
//返回的下标大于等于0时，表示登录成功
currentIdx=login();
if(currentIdx>=0)
{
printf("您的账上余额是：%0.2lf\n",bank[currentIdx].money);
}else{
printf("您输入的卡号或密码错误\n");
}
}
//转账
void transfer()
{
double m_money;
int currentIdx;
int parnetcardno;
int i,parentIdx=-1;
//返回的下标大于等于0时，表示登录成功
currentIdx=login();
if(currentIdx>=0)
{
printf("请输入对方卡号：");
scanf("%d",&parnetcardno);
for(i=0;i<count;i++)
{
if(bank[i].cardno==parnetcardno){
parentIdx=i; //表示对方的账号信息对应的下标
printf("请输入转出金额：");
scanf("%lf",&m_money);
if(bank[currentIdx].money-m_money>=0)
{
//自己的账号减掉转出的钱
bank[currentIdx].money-=m_money;
//对方的账号加上转入的钱
bank[parentIdx].money+=m_money;
printf("转账成功：转出%0.2lf元，账上余额是：%0.2lf\n",m_money,bank[currentIdx].money);
}else{
printf("转账失败：余额不足\n");
}
break;
}
}
if(parentIdx==-1){
printf("转账失败：对方卡号不存在\n");
}
}else{
printf("您输入的卡号或密码错误\n");
}
}
银行存储管理系统
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#include<iostream>>
#include <string>
using namespace std;
class Bank;
void menu(Bank &);
class Account {
private:
string name; //户名
string ID; //账号
string mima; //密码
double yue; //余额
bool isLost=false;//挂失功能
public:
string record="";
Account(string i,string n,double y,string m) {
ID =i;
name =n;
yue =y;
mima =m;
}
string getID() {
return ID;
}
string getMi() {
return mima;
}
//挂失
void setLost(bool state) {
isLost=state;
}
bool getLost() {
return isLost;
}
void showInfo() {
cout << "储户账号:" << ID << endl;
cout << "储户姓名:" << name << endl;
cout << "储户余额" << yue << endl;
cout<<"历史交易记录："<<endl;
cout<<record;
}
void saving(double a) {
yue =yue +a;
record=record+"save:\n";
}
bool qukuan(double a) {
if(yue <a) {
cout<<"余额不足"<<endl;
return 0;
} else {
yue -= a;
cout << "取款成功" << endl;
record=record+"get:\n";
return 1;
}
}
};
class Bank {
private:
int accountNumber;
Account *account[100]; //用户个数上限
public:
Bank() {
accountNumber =0;
}
void createaccount() { //实现开户功能
string ID,name,mima;
double yue;
char choice;
here:
cout<<"请输入您的账号"<<endl;
cin>>ID;
cout<<endl;
//检查账户是否已存在
for(int i = 0; i<accountNumber; i++) {
if(account[i]->getID()==ID) {
cout<<"该账户已存在，请重新输入！"<<endl;
goto here;
}
}
cout<<"请输入您的用户名"<<endl;
cin>>name;
cout<<"请输入您的密码"<<endl;
cin>>mima;
cout<<"您是否要预存款?(Y/N)"<<endl;
cin>>choice;
if(choice=='Y'||choice=='y') {
cout<<"- 存入金额 : ";
cin>>yue;
} else
yue=0;
Account *a=new Account(ID,name,yue,mima); //传送用户数据
account[accountNumber++]=a;
cout <<"当前已有储户"<<accountNumber<< endl;
cout<<"创建成功"<<endl;
}
void deleteaccount() { //实现销户功能
int i;
string id,m;
cout<<"请输入您的账号\n";
cin>>id;
cout<<"请输入您的密码\n";
cin>>m;
cout<<"请问您是否确认销户？(Y/N)";
char thisChoice;
cin>> thisChoice;
if(thisChoice!='Y' && thisChoice!='y')
return;
cout <<"您要注销的账户为："<<id<< endl;
for(i = 0; i<accountNumber; i++) {
//删除用户
if(account[i]->getID()==id&&account[i]->getMi()==m) {
Account * temp= account[i];
account[i]=account[accountNumber-1];
account[accountNumber-1]=temp;
delete account[--accountNumber];
cout<<"删除成功"<<endl;
return;
}
}
cout<<"不存在该用户或密码错误！"<<endl;
}
void guashi() {//实现挂失功能
int i;
string id,m;
cout<<"请输入您的账号\n";
cin>>id;
cout<<"请输入您的密码\n";
cin>>m;
cout<<"请问您是否确认挂失？(Y/N)";
char thisChoice;
cin>> thisChoice;
if(thisChoice!='Y' && thisChoice!='y')
return;
cout <<"您要挂失的账户为："<<id<< endl;
for(i = 0; i<accountNumber; i++) {
//删除用户
if(account[i]->getID()==id&&account[i]->getMi()==m) {
account[i]->setLost(true);
cout<<"挂失成功"<<endl;
return;
}
}
cout<<"不存在该用户或密码错误！"<<endl;
}
void cunkuan() { //实现存款功能
double money;
double yue;
string id,m;
int i;
cout<<"请输入您要存入的账户";
cin>>id;
cout<<"请输入您的密码\n";
cin>>m;
cout<<"请输入您要存入的金额";
cin>>money;
for(i =0; i<accountNumber; i++) {
if(account[i]->getID()==id&&account[i]->getMi()==m) {
//调用存款函数存款
account[i]->saving(money);
cout<<"存款成功";
cout<<endl;
account[i]->showInfo();
return;
}
}
cout << "存款失败" << endl;
}
void quqian() { //实现取款功能
int i;
string id,m;
double money;
cout<<"请输入您的账户"<<endl;
cin>>id;
cout<<"请输入您的密码"<<endl;
cin>>m;
cout<<"请输入取款金额"<<endl;
cin>>money;
for(i =0; i<accountNumber; i++) {
//如果挂失了，是无法取款的
if(account[i]->getID() ==id&&account[i]->getMi()==m&&!account[i]->getLost()) {
bool rs=account[i]->qukuan(money);
//如果取款成功
if(rs) {
account[i]->showInfo();
return;
} else {
cout<<"账户余额不足"<<endl;
return;
}
}
}
cout<<"失败"<<endl;
}
void check() { //查询
int i;
string id,m;
double money;
cout<<"请输入您的账户"<<endl;
cin>>id;
cout<<"请输入您的密码"<<endl;
cin>>m;
for(i=0; i<accountNumber; i++) {
if(account[i]->getID()==id&&account[i]->getMi()==m) {
account[i]->showInfo();
return;
}
}
if(i ==accountNumber) {
cout<<"没找到"<<endl;
}
}
};
void menu() {
int m;
Bank b;
while(1) {
system("cls");
cout<<"----------欢迎来到此银行-----------"<<endl;
cout<<"----------请选择您的业务-------------"<<endl;
cout<<"-----------1、开户-------------------"<<endl;
cout<<"-----------2、销户-------------------"<<endl;
cout<<"-----------3、存款-------------------"<<endl;
cout<<"-----------4、取钱-------------------"<<endl;
cout<<"-----------5、查询-------------------"<<endl;
cout<<"-----------6、挂失-------------------"<<endl;
cout<<"-----------7、退出-------------------"<<endl;
cin>>m;
switch(m) {
case 1:
b.createaccount();
system("pause");
break;
case 2:
b.deleteaccount();
system("pause");
break;
case 3:
b.cunkuan();
system("pause");
break;
case 4:
b.quqian();
system("pause");
break;
case 5:
b.check();
system("pause");
break;
case 6:
b.guashi();
return;
case 7:
return;
default:
cout << "输入有误，请重新输入" << endl;
break;
}
}
}
int main() {
menu();
return 0;
}
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