#include<iostream>
#include <string>
#include<fstream>
using namespace std;
class consumer;
class YH //银行类
{
public:
void set_account();//银行开户功能
void del_account(); //注销账户功能
void transfer(int); //转账功能
void enter_account(); //进入用户个人信息功能 void addmoney(int,float);//存款功能
void exitYH();// 退出系统
void functionshow();
void save();
void load();// 功能界面
protected:
consumer *account[20];
static int acnum;//账户数
};
class consumer:public YH//用户类,继承银行类的属性 {
public:
friend class YH;
consumer(int id,string Name,string PassWord,float m) {
ID=id;name=Name;money=m;passwd=PassWord; }
consumer(){ID=0;name='0';money=0;passwd='0';}
int get_id(){return ID;}
void savemoney();// 取钱
string get_passwd(){return passwd;}// 取得密码 void display();
void fetchmoney(); //取钱
void change_passwd();
void add_money(float);
void dec_money(float);
float get_money();//卡卡转帐
private:
int ID; //开户帐号
string passwd; // 用户密码
string name; // 用户姓名
float money; //开户金额
};
void YH::save()
{ofstream ofile("bankdat.dat",ios::out);
ofstream outfile("bankdat.dat",ios::out); int n=0;
outfile<<acnum<<" ";
for(n=0;n<acnum;n++)
{outfile<<account[n]->ID<<" ";
outfile<<account[n]->money<<" ";
outfile<<account[n]->name<<" ";
outfile<<account[n]->passwd<<" ";
}
outfile.close();
}
/*读入用户信息功能实现*/
void YH::load()
{ifstream infile("bankdat.dat",ios::in);
if(!infile)
{cerr<<"读取错误!"<<endl;
return;
}
int n=0;
int id,m;
string nam,passw;
infile>>acnum;
for(n=0;n<acnum;n++)
{infile>>id;
infile>>m;
infile>>nam;
infile>>passw;account[n]->passwd;
consumer * acc = new consumer(id,nam,passw,m); account[n] = acc;
}
infile.close();
cout<<"读取资料正常!"<<endl;
}
/*转账功能实现*/
void YH::transfer(int x)
{int id;
cout<<"请输入帐号:";
cin>>id;
int flag = 1;
int i = 0;
while((i<acnum)&&(flag))
{
if(id==account[i]->get_id()) flag = 0; else i++;
}
if(flag)
{
cout<<"帐号不存在!"<<endl<<endl;
return ;
}
float b;
cout<<endl<<"请输入你要转帐的金额:";
cin>>b;
while(b<=0)
{
cout<<"请输入正确的数字!"<<endl;
cout<<":";
cin>>b;
}
if(account[x]->get_money()<b) cout<<"对不起,金额不够!!"<<endl; else {account[x]->dec_money(b);account[i]->add_money(b);}
return;
}
/*账户金额计算*/
void consumer::add_money(float x)
{money=x+money;}
void consumer::dec_money(float x)
{money=money-x;}
void YH::addmoney(int x,float y)
{account[x]->money=account[x]->money-y;
}
float consumer::get_money()
{return money;}
int main()
{
YH yh;
yh.functionshow();
}
/*主界面显示*/
void YH::functionshow()
{
int n;
do
{system("cls"); load();
cout<<endl<<"请输入相应的操作序号进行操作:"<<endl; cout<<"1. 开户"<<endl;
cout<<"2.账户登录 "<<endl;
cout<<"3.账户注销"<<endl;
cout<<"4.退出系统"<<endl;
cout<<":";
cin>>n;
while(n<1||n>4)
{
cout<<"操作错误，请输入正确的操作序号!"<<endl; cout<<":";
cin>>n;
}
switch(n)
{
case 1: set_account();//开户
break;
case 2:enter_account();//登录
break;
case 3: del_account();//注销
break;
case 4: exitYH();//退出
break;
}
cin.get();
}
while(true);
}
void YH::enter_account()
{int id;
cout<<"请输入帐号:";
cin>>id;
int flag = 1;
int i = 0; //__page_break__
while((i<acnum)&&(flag))
{
if(id==account[i]->get_id()) flag = 0; else i++; }
if(flag)
{
cout<<"帐号不存在!"<<endl<<endl; return;
}
cout<<"请输入密码:";
string passw;
cin>>passw;
if(passw!=account[i]->get_passwd()) return; account[i]->display();cin.get();cin.get(); int n;
do{system("cls");
cout<<"请选择下列操作："<<endl;
cout<<"1.查看账户信息"<<endl;
cout<<"2.取款 "<<endl;
cout<<"3.存款"<<endl;
cout<<"4.修改密码"<<endl;
cout<<"5.转账"<<endl;
cout<<"6.返回上一菜单"<<endl;
cout<<":";
cin>>n;
switch(n)
{case 1: account[i]->display();break;
case 2: account[i]->fetchmoney();save();break; case 3:account[i]->savemoney();save();break; case 4:account[i]->change_passwd();save();break; case 5:transfer(i);save();break;
case 6:return;
}cin.get();cin.get();
}
while(1);
}
void YH::set_account()
{
int id;
string nam;
string passw;
float m;
cout<<endl<<"请输入开户号："; cin>>id;
cout<<endl<<"请输入开户人姓名："; cin>>nam;
cout<<endl<<"请输入开户密码："; cin>>passw;
cout<<endl<<"请输入存入金额:"; cin>>m;
cout<<endl;
while(m<=0)
{
cout<<"请输入正确的数字!"<<endl;
cin>>m;
}
consumer * acc = new consumer(id,nam,passw,m); account[acnum] = acc;
cout<<"开户成功!!"<<endl<<endl;
acnum++;
save();
cin.get();
return;
}
void YH::del_account()
{
int id;
cout<<endl<<"请输入你要注销的帐户号:"; cin>>id;
int flag = 1;
int i = 0;
while((i<acnum)&&(flag))
{
if(id == account[i]->get_id())
{
flag = 0;
}
else
{
i++;
}
}
if(flag)
{
cout<<"该帐号不存在，请重新输入!"<<endl; return;
}
for(int j=i;j<acnum;j++)
{
account[j] = account[j+1];
}
account[acnum-1]=NULL;
acnum--;
cout<<"你的账号已注销!!"<<endl<<endl;
save();
cin.get();
return;
}
void consumer::change_passwd()
{
string pwd,repwd;
cout<<"请输入新密码：";
cin>>pwd;
cout<<"请再输入一次新密码：";
cin>>repwd;
if(pwd!=repwd)
cout<<"你输入的两次密码不一样,请重新输入!"<<endl; else
cout<<"密码修改成功，请牢记!"<<endl;cin.get(); }
void consumer::fetchmoney()
{
float m;
char ch;
do
{
cout<<endl<<"输入取款金额:"<<"￥>"<<endl ; cin>>m;
while(m<=0)
{
cout<<"请输入正确的数字!"<<endl;
cout<<":";
cin>>m;
}
if(money<m)
{
cout<<"对不起，你的余额不足!"<<endl;
}
else
{money=money-m;
cout<<endl<<"操作成功，请收好钱!"
<<endl;
}
cout<<"是否要继续：(Y/N) "
<<endl;
cout<<":";
cin>>ch;
while(ch!='n'&&ch!='N'&&ch!='Y'&&ch!='y')//选择错误时判定 {
cout<<":";
cin>>ch;
}
}while(ch=='y'||ch=='Y');
}
void consumer::savemoney()//存钱函数功能实现
{
float c;
char ch;
do
{
cout<<endl<<"请输入要存入的金额:"<<"￥>"<<endl ; cin>>c;
while(c<=0)
{
cout<<"输入错误,请重新输入!"<<endl;
cout<<":";
cin>>c;
}
money=money+c;
cout<<"操作成功!"<<endl;
cout<<"是否要继续：(Y/N) "<<endl;
cout<<":";
cin>>ch;
while(ch!='n'&&ch!='N'&&ch!='Y'&&ch!='y')
{
cout<<":";
cin>>ch;
}
}while(ch=='y'||ch=='Y');
}
int YH::acnum=0;
void consumer::display()//用户信息界面 {system("cls");
cout<<" 用户姓名："<<name<<endl; cout<<" 帐号："<<ID<<endl;
cout<<" 余额: "<<money<<endl;
cout<<"按输入键回到上一菜单"<<endl; cout<<":";
}
void YH::exitYH()//退出系统
{
cout<<endl<<"谢谢使用!"<<endl; exit(0);
}