解答C++作业04

//ChkgAcct.h
//ChkgAcct classes

#ifndef CHKGACCT_H
#define CHKGACCT_H

class ChkgAcct {
 public:
   ChkgAcct();
   void deposit(double amt);
   bool checkWithdraw(double amt);
   bool atmWithdraw(double amt);
   double getBalance();
   int  setTrack(int type ,double amt);
   //push the type and amt into track
   void getTrack(int i,int &cTracktype,double &cTrackamt);
   //pop type and amount of number i transaction
 private:
   double balance;
   int Tracktype[51];
   //store the type of transaction
   double Trackamt[51];
   //store the amount
 
};
 
#endif

//ChkgAcct.cpp

#include "ChkgAcct.h"
#include<iostream>

ChkgAcct::ChkgAcct(){
    balance = 100.0;
 for(int i=1;i<=50;i++)
 {
  Tracktype[i]=0;
  Trackamt[i]=0;
 }
 //initialize the track
}

void ChkgAcct::deposit(double amt){
 balance=balance+amt;
}

bool ChkgAcct::checkWithdraw(double amt){
 if (amt<=balance) {
  balance=balance-amt;
  return true;
 }
 else{
  balance=balance-10;
  return false;
 }
}

bool ChkgAcct::atmWithdraw(double amt){
 if (amt<=balance) {
  balance=balance-amt-1;
  return true;
 }
 else
 return false;
}

double ChkgAcct::getBalance(){
 return balance;
}

 
int ChkgAcct::setTrack(int type ,double amt)
{
 static int i=0;
 //store the total times of the transaction
    i++;
 if(i<=50)
 {
  Tracktype[i]=type;
  Trackamt[i]=amt;
 }
 //if the times of the transaction is less than 50
 else
 ///if is more than 50,ie 51, using push
 {
  i=50;
  for(int j=1;j<50;j++)
  {
    Tracktype[j]=Tracktype[j+1];
    Trackamt[j]=Trackamt[j+1];
  }
  Tracktype[50]=type;
  Trackamt[50]=amt;
 }
 return i;
}

void ChkgAcct::getTrack(int i,int &cTracktype,double &cTrackamt)
{
 cTracktype=Tracktype[i];
 cTrackamt=Trackamt[i];
}


//client.cpp
//create 10 account to test

#include "ChkgAcct.h"
#include <iostream>
#include <stdlib.h>//use system() to clear screem
#include <conio.h>//use getch(),putchar()
#include <string>

using namespace std;

int main(){
 ChkgAcct client[10];
 int accountID;  //the ID of account

 int type;   //type of transaction
 double amount=0; //amount of transaction
 
 int typeGet;  //type of transaction got from every account
 double amountGet; //amount of transaction got from every account

 char ch,flag;
 string str;   //store input as the string type of amount
 ///////do start loop
 do{
  str="";
  system("cls"); //function to clear the screem  
  cout<<"***********************************************"<<endl;
  cout<<"Please input your account ID,from 0 to 9 :"<<endl;
  cout<<"input:";
  //////1 make sure the input is 0 to 9
  int i=0;
  do{
   ch=getch();
   if(ch>='0'&&ch<='9')
   {
    putchar(ch);
    i++;
   }
  }while(i<1);
  accountID=ch-'0';
  cout<<endl;
  //////~1

  if(accountID>=0&&accountID<=9)
   cout<<"Account "<<accountID<<" ,you have: "
    <<client[accountID].getBalance()<<" left."<<endl;
 
  flag='n';  //set the flag to test if the client want to quit

 

  do{
   cout<<"***********************************************"<<endl;
   cout<<"please choose the type of your transaction: /n"
    <<"1、Deposit/n"
    <<"2、Checkwithdrawal/n"
    <<"3、ATMwithdrawal /n"
    <<"4、Check Account/n"
    <<"5、Recent 50 transactions"<<endl;
   cout<<"6-9、 to logout"<<endl;
   cout<<"input:";

   //////~2 make sure the input is number
   int i=0;
   do{
    ch=getch();
    if(ch>='0'&&ch<='9')
    {
     putchar(ch);
     i++;
    }
   }while(i<1);
   type=ch-'0';
   cout<<endl;
   //////~2
   
   if(type>=1&&type<=3) {                
    cout<<"***********************************************"<<endl;
    cout<<"input the amount(positive value): "<<endl;
    cout<<"input:";
    //////3 make sure the first number is not zero
    do{
      ch=getch();
     
    }while(ch=='0'||ch<='0'||ch>'9');
    str=ch;
    putchar(ch);
    i=1;
    /////~3
    //////4  make sure input is number ,and enter means finish
    do
    {
     ch=getch();
     if(ch>='0'&&ch<='9'&&ch!=13)
     {
      putchar(ch);
      str=str+ch;
      i++;
     } //ignore other input
       }while(ch!=13);
    cout<<endl;
    //////~4

    //////5   translate string to double
    amount=0;
    for(int j=0;j<i;j++)
     amount=amount*10+(str[j]-'0');
    ///////~5

       /////6 check if the client want to cancel
    /////   and the input is y/n
    cout<<endl<<"are you sure?y/n:"<<endl;
    
    i=0;
    do{ 
     ch=getch();
     if(ch=='y'||ch=='n')
     {
      putchar(ch);
      i++;
     }
    }while(i<1);
    cout<<endl;
    /////~6
    
    if(ch=='n') {
     system("cls");
     cout<<"you cancel the transaction "<<endl;
     continue;
    }
   }   //end of if
   

   system("cls");
   cout<<"***********************************************"<<endl;
   switch(type){
    case 1:{
     client[accountID].deposit(amount);
     cout<<"succeed!"<<endl;
     cout<<"you Deposit "<<amount<<" $."<<endl;
     client[accountID].setTrack(1,amount);
     ///set the track with type and amount
     }
     break;

    case 2:{
     if(!client[accountID].checkWithdraw(amount))
      {
      cout<<"fail!"<<endl;
      cout<<"your account do not have enough money!"<<endl;
      cout<<"$10.00 service charge is deducted! "<<endl;
      client[accountID].setTrack(4,amount);
      }
     else
      { 
      cout<<"succeed!"<<endl;
      cout<<"you withdraw "<<amount<<" $."<<endl;
      client[accountID].setTrack(2,amount);
      }
     }
     break;

    case 3:{
     if(!client[accountID].atmWithdraw(amount))
      {
      cout<<"fail!"<<endl;
      cout<<"your account do not have enough money!"<<endl;
      client[accountID].setTrack(5,amount);
      }
     else
      {
      cout<<"succeed!"<<endl;
      cout<<"you withdraw "<<amount<<" $."<<endl;
      cout<<"a $1 service charge is deducted "<<endl;
      client[accountID].setTrack(3,amount);
      }
     }
     break;

    case 4:{
     cout<<"you have: "
         <<client[accountID].getBalance()<<" $ "
         <<" left."<<endl;
     }
     break;
    case 5:{
     //////7 output the resent transaction
     for(int i=50;i>=1;i--)
     {
      client[accountID].getTrack(i,typeGet,amountGet);
         if(typeGet>0&&typeGet<6)
      {
       switch (typeGet){
       case 1:cout<<i<<"、deposite:";break;
       case 2:cout<<i<<"、checkWithdraw:";break;
       case 3:cout<<i<<"、amtWithdraw:";break;
       case 4:cout<<i<<"、fail checkWithdraw:";break;
       case 5:cout<<i<<"、fail atmWithdraw:";break;
       }
       cout<<amountGet<<" $."<<endl;
      }
     }
     //////~ 7
     }
     break;

    default:{
     //////8  check if the client want to logout
     /////    make sure the input is y/n
     cout<<endl<<"do you want to logout? y/n"<<endl;
     int i=0;
     do{ 
      ch=getch();
      if(ch=='y'||ch=='n')
      {
       putchar(ch);
       i++;
      }
     }while(i<1);
     flag=ch;
     cout<<endl;
     /////~ 8
     }
     break;
   }   //end of switch
  }while(flag!='y');
  ////yes means that the client is to logout
  
 }while(true);
 ///////~do continue loop
 
 return 0;
}