#include
#include
#include
using namespace std;
void print(); //声明实现第一功能的函数
//void shanchu();
//void add();
//void again();
//void iofile();
//void show_menu();
class putong //定义一个普通账户的类
{
public:
putong(int n,string nam,double m)
{
num=n;
name=nam;
money=m;
}
//int get_num();
//string get_name();
//double get_money();
//void set_num();
//void set_name();
//void set_money();
int num; //账号
string name; //姓名
double money; //余额
};
class vip:public putong //定义一个VIP，继承putong类
{
public:
vip(int n,string nam,double m,int s):putong(n,nam,m)
{
score=s;
}
//int get_score();
int score; //积分
};
/*int putong::get_num()
{
return num;
}
string putong::get_name()
{
return name;
}
double putong::get_money()
{
return money;
}
int vip::get_score()
{
return score;
}
/*void set_num()
{
cin>>num;
}
void set_name()
{
cin>>name;
}
void set_money()
{
cin>>money;
}*/
void show_menu() //开始菜单
{
cout<<'\0'<<'\0'<<'\0'<<"银行储户信息管理系统"<<endl;
cout<<"----------------------------------"<<endl;
cout<<"1.打印客户信息"<<endl;
cout<<"2.更新客户信息"<<endl;
cout<<"3.添加客户信息"<<endl;
cout<<"4.删除客户信息"<<endl;
cout<<"5.退出程序"<<endl;
cout<<"----------------------------------"<<endl;
}
int main()
{
putong a[5]= {putong(1,"刘敏",-3500), //初始化
putong(2,"w",1200.7),
putong(3,"吴丽", -220),
putong(4,"王世明",10000),
putong(5,"张明华",300.32)};
int key;
show_menu(); //显示开始菜单
//vip b();
void iofile();
while (1)
{
cout<<'\n'<<"请选择功能<1-5>:";
cin>>key;
switch (key)
{
case 1: print(); continue;
case 2:
{int n=5;
putong b(0,"0",0); //建立一个临时变量
int A;
string B;
double C;
fstream iofile;
iofile.open("Client.dat",ios::out|ios::binary);
iofile.seekg(0,ios::beg);
for(int f=0;f<5;f++)
{
iofile.read((char*)&a[f],sizeof(a[f]));
}
cout<<"请输入账号"<<'\0'<<'\0'<<"姓名"<<'\0'<<'\0'<<"余额"<<endl;
cin>>A>>B>>C;
putong e(A,B,C);
iofile.seekg((A-1)*sizeof(b),ios::beg);
iofile.write((char*)&e,sizeof(e));
iofile.seekg(0,ios::beg);
iofile.read((char*)&e,sizeof(e));
for( f=0;f<5;f++)
{
//cout<<e.money <<e.name <<e.num <<endl;
iofile.read((char*)&e,sizeof(e));
}
cout<<"一条记录被更新！"<<endl;
iofile.close();
continue;
}
case 3:
{
int add_num;
string add_name;
double add_value;
//putong d(0,"0",0); //建立一个临时变量
fstream iofile;
iofile.open("Client.dat",ios::out|ios::binary);
iofile.seekg(0,ios::beg);
for( int f=0;f<5;f++)
{
iofile.read((char*)&a[f],sizeof(a[f]));
}
cout<<"请输入账号"<<'\0'<<'\0'<<"姓名"<<'\0'<<'\0'<<"余额"<<endl;
cin>>add_num>>add_name>>add_value;
putong g(add_num,add_name,add_value);
iofile.seekg((add_num-1)*sizeof(a[0]),ios::beg);
iofile.write((char*)&g,sizeof(g));
iofile.seekg(0,ios::beg);
iofile.read((char*)&g,sizeof(g));
for( f=0;f<5;f++)
{
iofile.read((char*)&g,sizeof(g));
}
cout<<"已追加一条新记录！"<<endl;
iofile.close();
continue;
}
case 4:
{
putong c(0," ",0); //建立一个临时变量
int n=5;
int b;
fstream iofile;
iofile.open("Client.dat",ios::out|ios::binary);
iofile.seekg(0,ios::beg);
for(int i=0;i<n;i++)
{
iofile.read((char*)&a[i],sizeof(a[i]));
}
cout<<"请输入待删除的账号"<<endl;
cin>>b;
iofile.seekg((b-1)*sizeof(c),ios::beg);
iofile.write((char*)&c,sizeof(c));
iofile.seekg(0,ios::beg);
for(i=0;i<n;i++)
{
iofile.read((char*)&c,sizeof(c));
}
cout<<"已删除！"<<endl;
iofile.close();
continue;
}
case 5: exit(1) ; continue;
default: cout<<"此输入无效！"<<endl; continue;
}
}
return 0;
}
void iofile() //创建一个Client.dat文件，并读入数据
{
putong a(0,"0",0); //建立一个临时变量
fstream iofile("Client.dat",ios::out|ios::binary);
if(!iofile)
{
cerr<<"open error!"<<endl;
abort();
}
for(int i=0;i<5;i++) //将数据读入文件里
{
iofile.write((char*)&a,sizeof(a));
}
iofile.close();
}
void print()
{
fstream iofile;
iofile.open("Client.dat",ios::out|ios::binary); //打开Client.dat文件
putong a[5]= {putong(1,"刘敏",-3500), //初始化
putong(2,"w",1200.7),
putong(3,"吴丽", -220),
putong(4,"王世明",10000),
putong(5,"张明华",300.32)};
for(int i=0;i<5;i++) //读数据
{
iofile.read((char*)&a[i],sizeof(a[i]));
cout<<"----------------------------------"<<endl;
if (a[i].money<100000) //如果读出的数据的余额小于1000000，则运行
{
cout<<"普通账户信息："<<endl;
cout<<"账号"<<'\0'<<'\0'<<"姓名"<<'\0'<<'\0'<<"余额"<<endl;
cout<<a[i].num<<'\0'<<'\0'<<a[i].name<<'\0'<<'\0'<<a[i].money<<endl;
}
else //否则则运行下面这个
{
iofile.seekg(i*sizeof(a[i]),ios::beg);
cout<<"VIP账户信息："<<endl;
cout<<"账号"<<'\0'<<'\0'<<"姓名"<<'\0'<<'\0'<<"余额"<<"VIP账户积分"<<endl;
cout<<a[i].num<<'\0'<<'\0'<<a[i].name<<'\0'<<'\0'<<a[i].money<<'\0'<<'\0'<<a[i].money/10<<endl;
};
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////
fstream printfile("accouts.doc",ios::out); //创建一个accouts.doc文件
if(!printfile)
{
cout<<"open error!"<<endl;
};
for(int i=0;i<5;i++) //读数据
{
iofile.seekg(0,ios::beg);
iofile.read((char*)&a,sizeof(a));
printfile<<"----------------------------------"<<endl;
if (a[i].money<100000) //如果读出的数据的余额小于1000000
{
printfile<<"普通账户信息："<<endl;
printfile<<"账号"<<'\0'<<'\0'<<"姓名"<<'\0'<<'\0'<<"余额"<<endl;
printfile<<a[i].num<<'\0'<<'\0'<<a[i].name<<'\0'<<'\0'<<a[i].money<<endl;
}
else //如果读出的数据的余额大于或等于100000
{
//iofile.seekg(i*sizeof(a[i]),ios::beg);
printfile<<"VIP账户信息："<<endl;
printfile<<"账号"<<'\0'<<'\0'<<"姓名"<<'\0'<<'\0'<<"余额"<<"VIP账户积分"<<endl;
printfile<<a[i].num<<'\0'<<'\0'<<a[i].name<<'\0'<<'\0'<<a[i].money<<'\0'<<'\0'<<a[i].money/10<<endl;
}
}
printfile.close();
iofile.close();
cout<<"客户信息已输出至可打印文件中！"<<endl;
}
}
