//
//  main.m
//  Bus-公交

/
    公交一卡通充值系統，有兩種功能選擇，第一種投入硬幣或者紙幣
    選擇購票，第二種一卡通充值，充值面額是20，50，100
 /
import <Foundation/Foundation.h>
import "Card.h"
import "ChargeMachine.h"
import "Money.h"
int main(int argc, const char * argv[])
{

ChargeMachine * machine = [[ChargeMachine alloc]init];

//[machine sellTicket];

//[ChargeMachine recharge:KindOfMoney100];//這里賦值的時候賦值成為100，導致程序出錯
//[ChargeMachine recharge:KindOfMoney20];
[ChargeMachine recharge:KindOfMoney50];
[ChargeMachine recharge:KindOfMoneyCoinMoney2];
//[machine recharge:KindOfMoneyCoinMoney2];
NSLog(@"%@",machine);


return 0;

}
</pre>
#import <Foundation/Foundation.h>

import "Money.h"
@interface Card : NSObject
{
    /公交卡卡編號/
    NSString * _numberOfCard;

/**公交卡存放金額*/
int MoneyOfCard;


}
@property NSString * numberOfCard;
@property int MoneyOfCard;
@end
</pre> 


#import "Card.h"

@implementation Card
@synthesize numberOfCard = _numberOfCard ;
@synthesize MoneyOfCard = _MoneyOfCard;
@end
</pre> 


#import <Foundation/Foundation.h>

import "Money.h"
@interface ChargeMachine : NSObject
{
    /*用來記錄銷售總量/
    int countOfMoney;

KindOfMoney _money;



}
@property int countOfMoney;
/*打印票據/
-(void)sellTicket;
/*充值/
+(int)recharge:(KindOfMoney)kindOfMoney;
-(int)recordcounOfMony;
@end
</pre> 


#import "ChargeMachine.h"

@implementation ChargeMachine
@synthesize countOfMoney = _countOfMoney;
/*打印票據/
-(void)sellTicket
{
    NSLog(@"賣出一張車票");
}
/*充值/
-(void)recharge
{
    NSLog(@"充值成功");
}
-(int)recordcounOfMony
{
    _countOfMoney += _money;
    return _countOfMoney;
}
+(int)recharge:(KindOfMoney)kindOfMoney
{
    ChargeMachine * machine = [[ChargeMachine alloc]init];
    int moneyKind = 0;
    //int countOfMoney = 0;
    switch (kindOfMoney) {
        case KindOfMoney20:
            moneyKind = 20;
            //countOfMoney += money;
            NSLog(@"您充值的金額是20元");
            break;
        case KindOfMoney50:
            moneyKind = 50;
            NSLog(@"您充值的金額是50元");
            //countOfMoney += money;
            break;
        case KindOfMoney100:
            moneyKind = 100;
            NSLog(@"您充值的金額是100元");
            //countOfMoney += money;
            break;
        case KindOfMoneyCoinMoney2:
            moneyKind = 2;
            NSLog(@"您投的是硬幣");
            [machine sellTicket];
            break;
        case KindOfMoneyPaperMoney2:
            moneyKind = 2;
            NSLog(@"您投的是紙幣");
            [machine sellTicket];
            break;
        default:
            break;
    }
    return moneyKind;
}
-(NSString *)description
{
    //經過多次調用怎樣保存一個變量的值？

//ChargeMachine * machine = [[ChargeMachine alloc]init];
//int moneyKind = [ChargeMachine recharge:_money];
//int countOf_Money = [ChargeMachine recharge:_money];
return [NSString stringWithFormat:@"%d",_money];

}
@end
</pre> 


#import <Foundation/Foundation.h>
enum KindOfMoney
{
    /*用來存儲充值面額為20的變量/
    KindOfMoney20,


/**用來存儲充值面額為50的變量*/
KindOfMoney50,

/**用來存儲充值面額為100的變量*/
KindOfMoney100,

KindOfMoneyCoinMoney2,

KindOfMoneyPaperMoney2

};
typedef enum KindOfMoney KindOfMoney;
@interface Money : NSObject
{
    KindOfMoney _kindOfMoney;
}
-(Money*)initWithKindOfMoney:(KindOfMoney)kindOfMoney;
typedef enum KindOfMoney KindOfMoney;
@end
</pre> 


#import "Money.h"

@implementation Money
{
}
-(Money*)initWithKindOfMoney:(KindOfMoney)kindOfMoney
{
    self = [super init];
    if (self!=nil) {
        _kindOfMoney = kindOfMoney;
    }
    return self;
}
@end
</pre>