ExpressManager.cpp
#include "stdafx.h"
#include "ExpressManager.h"
// pass the express manager
// @ car the pass car
// @ passCharge the charge for passing
float ExpressManager::Pass( const struct s_Car* car，float passCharge，float& rCharge )
{
if( car !=NULL )
{
float need = Caculate( car );
_tempCharge+=passCharge;
if( _tempCharge >= need )
{
_passCharge += need;
rCharge = _tempCharge - need;
_tempCharge = 0;
return true;
}
else
{
printf( "Fail to pass ! less %0.2f "，need-_tempCharge );
return false;
}
}
else
{
printf("Fail to pass Null data! ");
}
return false;
}
// show the charge for passing
// @ car the pass car
float ExpressManager::ShowCharge( const struct s_Car* car ) const
{
if( car != NULL )
{
return Caculate( car );
}
else
{
printf("Fail to show Null data! ");
return 0.0f;
}
}
void ExpressManager::PassCar()
{
struct s_Car temp={0};
float pCharge=0.0f;
float rCharge=0.0f;
printf("plz，input car info! e. type trip ");
if( scanf_s("%d %f"，&temp.type，&temp.trip )!= EOF )
{
temp.passCharge = ShowCharge( &temp );
printf("plz pay %0.2f for passing "，temp.passCharge );
while(true)
{
if( scanf_s( "%f"，&pCharge ) != EOF )
{
if( Pass( &temp，pCharge，rCharge ) )
{
if( rCharge==0.0f)
{
printf("congratulation!  see you next time! ");
}
else
{
printf("congratulation! payback you %0.2f see you next time! "，rCharge);
}
break;
}
}
}
}
}
void ExpressManager::PassTest()
{
int cmd = 0;
while(true)
{
printf("welcome to %s "，_name);
printf(" 'p' - pass the car! ");
printf(" 's' - show the total charge! ");
printf(" 'q' - Exit! ");
fflush(stdin);
if( (cmd = getchar()) !=EOF )
{
if( cmd == 'q' ) break;
else if( cmd == 's' )
{
ShowTotal();
}
else if( cmd == 'p' )
{
PassCar();
}
}
}
}
　　测试代码
1 #include "ExpressManager.h"
2 #include <stdio.h>
3
4 int main(int argc， char* argv[])
5 {
6         ExpressManager *Express1=new ExpressManager("G2023");
7
8         Express1->PassTest();
9
10         return 0;
11 }