银行系统更新

#include <iostream>
#include <string.h>
#include <stdio.h>
#include <iomanip>
using namespace std;//银行中最大的账户数量
#define MAXACCOUNTNUMBER 20000
//银行卡的开号初始值
#define INITNUMBER 10001struct Account
{long accNumber;   //卡号char accName[20]; //户主char accPwd[10];  //密码double balance;   //余额char flag[6];     //卡的状态
};
int size=0;
Account array[MAXACCOUNTNUMBER];
void work();
void openAccount();
void pid();
void deposit();
void withdrawal();
void transfer();
long autoCreament();
void printAccount(Account acc);
void closeAccount();
bool isPassLegal(char pass[]);
int main()
{int i;char username[20];char password[10];for(i=0;i<3;i++){cout<<"请输入用户名：";cin>>username;cout<<endl;cout<<"请输入密码：";cin>>password;cout<<endl;if(strcmp(username,"admin")==0&&strcmp(password,"admin")==0){work();}else{if(i<2)cout<<"用户名或密码输入错误，您还有"<<3-i<<"次机会，请重新输入！"<<endl;else{cout<<"您已三次输入错误的用户名或密码，系统将自动退出！"<<endl;}}
}
return 0;
}
void work()
{int order;cout<<"           +-------------------------------------------------------+"<<endl;cout<<"               |                                              |"<<endl;cout<<"                |                                            |"<<endl;cout<<"                 |         欢迎使用储蓄业务综合平台         |"<<endl;cout<<"                |                                            |"<<endl;cout<<"               |                                              |"<<endl;cout<<"           +-------------------------------------------------------+"<<endl;cout<<endl;cout<<endl;cout<<endl;cout<<"               +----------------------------------------------+"<<endl;cout<<"                      |-----1.开户-2.查询-3.存款------|"<<endl;cout<<"                      |-----4.取款-5.销户-6.退出------|"<<endl;cout<<"               +----------------------------------------------+"<<endl;cout<<"请选择业务（输入业务前的序号）：";cin>>order;switch(order){case 1:openAccount();break;case 2:pid();break;case 3:deposit();break;case 4:withdrawal();break;case 5:closeAccount();break;default:break;}
}
bool isPassLegal(char pass[])
{bool flag=true;int len=strlen(pass),i;if(len<7&&len>=6){//满足6位for(i=0;i<len;i++){if(pass[i]<48||pass[i]>57){flag=false;break;}}}else{//不满足6-8位flag=false;}return flag;
}void openAccount()//1.开户
{char pwd1[10],pwd2[10];cout<<"请输入户主名:";cin>>array[size].accName;cout<<"请输入密码:";cin>>pwd1;cout<<"请再次输入密码：";cin>>pwd2;if(strcmp(pwd1,pwd2)==0){if(isPassLegal(pwd1)){strcpy(array[size].accPwd,pwd1);cout<<"请输入初次存款金额:";cin>>array[size].balance;//..strcpy(array[size].flag,"正常");//写卡号array[size].accNumber=autoCreament();cout<<"开户后的信息是"<<endl;printAccount(array[size]);size++;cout<<"开户成功,请按任意键返回"<<endl;fflush(stdin);getchar();work();}else{cout<<"您输入的密码不正确，密码必须是纯数字，并且是六位，请重新进行开户操作！"<<endl;openAccount();}
}else{cout<<"您两次输入的密码不一致，请重新进行开户操作!"<<endl;openAccount();}
}
long autoCreament()
{if(size==0){return INITNUMBER;}else{return array[size-1].accNumber+1;}
}
void printAccount(Account acc)
{cout<<"|----------------------------------------|"<<endl;cout<<setiosflags(ios::left)<<"|"<<setw(8)<<"账号"<<setw(8)<<"户主名"<<setw(8)<<"密码"<<setw(8)<<"卡内余额"<<setw(8)<<"状态"<<"|"<<endl;cout<<setiosflags(ios::left)<<"+----------------------------------------+"<<endl;cout<<setiosflags(ios::left)<<"|"<<setw(8)<<acc.accNumber<<setw(8)<<acc.accName<<setw(8)<<acc.accPwd<<setw(8)<<acc.balance<<setw(8)<<acc.flag<<"|"<<endl;cout<<"|----------------------------------------|"<<endl;
}
int searchAccount(long accNumber)  
{  int i,pos=-1;  for(i=0;i<size;i++){  if(array[i].accNumber==accNumber){  //找到了这张卡  pos=i;  break;  }  }  return pos;  
} 
void pid()//2.查询
{int i,size,accNumber;cout<<"请输入账号：";cin>>accNumber;if(size=searchAccount(accNumber)){cout<<"您查询的账户信息为："<<endl;printAccount(array[size]);  cout<<endl;cout<<"若显示的信息中账号为0则证明您输入的账号不存在，请重新选择查询业务进行查询！"<<endl;cout<<"反之则查询成功，请按任意键返回"<<endl;fflush(stdin); getchar(); work();}
}
void deposit()//3.存款{long accNum;//存款的账号double money;//存款的金额int pos;cout<<"请输入账号:";cin>>accNum;cout<<"请输入存款金额:";cin>>money;pos=searchAccount(accNum);if(pos==-1){//卡号有误cout<<"账号不存在，请重新输入账号"<<endl;//...deposit();}else{//展示下存款前卡的信息cout<<"存款前卡的信息:"<<endl;printAccount(array[pos]);//找到了该卡号所对应的卡array[pos].balance+=money;//展示存款后卡的信息cout<<"存款后卡的信息:"<<endl;printAccount(array[pos]);cout<<"存款成功,请按任意键返回"<<endl;fflush(stdin);getchar();work();}}
void withdrawal()//4.取款{ char key[7];  int money,i,size,accNumber;  cout<<endl<<"请输入账号：";  cin>>accNumber;  //寻找该卡号  size=searchAccount(accNumber);  cout<<endl<<"请输入密码：";  for(i=0;i<6;i++)  {  cin>>key[i];  }  key[6]='\0';  if(strcmp(key,array[size].accPwd)==0)  {  cout<<endl<<"请输入取款金额：";  cin>>money;  //展示下存款前卡的信息  cout<<endl<<"取款前卡的信息:"<<endl;  printAccount(array[size]);  //找到了该卡号所对应的卡  if(array[size].balance<money)  {  cout<<endl<<"对不起，您的账户余额不足，无法取款！"<<endl;  cout<<endl<<"取款失败,请按任意键返回"<<endl;  fflush(stdin);  getchar();  work();  }  else  {  array[size].balance-=money;  //展示存款后卡的信息  cout<<endl<<"取款后卡的信息:"<<endl;  printAccount(array[size]);  cout<<endl<<"取款成功,请按任意键返回"<<endl;  fflush(stdin);  getchar();  work();  }  }  else  {  cout<<endl<<"卡号或密码输入错误，请重新输入！"<<endl;  }  }
void closeAccount()//5.销户
{
char key[7];  int i,size,accNumber;  cout<<endl<<"请输入要销户的账号：";  cin>>accNumber;  //寻找该卡号  size=searchAccount(accNumber);  cout<<endl<<"请输入密码：";  for(i=0;i<6;i++)  {  cin>>key[i];  }  key[6]='\0';  if(strcmp(key,array[size].accPwd)==0)  {  cout<<endl<<"销户前卡的信息:"<<endl;  printAccount(array[size]);    array[size].balance=0;  strcpy(array[size].flag,"不存在");  strcpy(array[size].accName,"不存在");   cout<<endl<<"销户成功,请按任意键返回"<<endl;  fflush(stdin);  getchar();  work();  }  else  {  cout<<"密码错误，请按任意键返回"<<endl; fflush(stdin);  getchar();  work();  }  
}