iOS开发zhiATM机的设计与实现

//
//  main.m
//  ATM
//

#import <Foundation/Foundation.h>
#import "ATM.h"
#import "Money.h"
#import "BankCard.h"

int main(int argc, const char * argv[])
{
    ATM * atm = [[ATM alloc]init];
    //atm->_saveMoneyCount = 1000;
    BankCard * card = [BankCard alloc];
//    [card set_cardNumber:@"12345678"];
//    [card set_userName:@"张三"];

    [atm tellMoney:TypeOfMoneyFake];

    [card showCardNumber:@"12345678"];
    [card showUserName:@"李四"];
    NSLog(@"%@",card);
    [atm saveMoney:10000];
     NSLog(@"%@",atm);
    [atm getMoney:5000];
     NSLog(@"%@",atm);

    return 0;
}

#import <Foundation/Foundation.h>
#import "BankCard.h"
#import "Money.h"

@interface ATM : NSObject
{
    //用来记录钱的总数
    int _countOfMoney;

    //存钱数目
    int _saveMoneyCount;

    //取钱数目
    int _getMoneyCount;
}
@property int _countOfMoney;
@property int _saveMoneyCount;
@property int _getMoneyCount;

-(void)saveMoney:(int)saveMoney;

-(void)getMoney:(int)getMoney;

-(void)tellMoney:(TypeOfMoney)typeOfMoney;
@end

#import "ATM.h"

@implementation ATM
@synthesize  _countOfMoney = countOfMoney;
@synthesize  _saveMoneyCount = saveMoneyCount;
@synthesize  _getMoneyCount = getMoneyCount;

-(void)saveMoney:(int)saveMoney
{
    //这里參数名称的命名最好不好和实例变量的名称同样
    //假设这样做会发生将实例变量隐藏 不影响执行，可是会有警告
    _saveMoneyCount = saveMoney;
    _countOfMoney = _saveMoneyCount;
    NSLog(@"%d",_saveMoneyCount);
}

-(void)getMoney:(int)getMoney
{
    _getMoneyCount = getMoney;
    _saveMoneyCount -= getMoneyCount;

    NSLog(@"%d",_getMoneyCount);
}

-(void)tellMoney:(TypeOfMoney)typeOfMoney
{
    switch (typeOfMoney) {
        case TypeOfMoneyReal:
            NSLog(@"真币");
            break;
        case TypeOfMoneyFake:
            NSLog(@"假币");
            break;
        default:
            break;
    }
}

-(NSString *)description
{
    return [NSString stringWithFormat:@"银行卡结余=%d 存入钱数=%d 取出钱数=%d ",_countOfMoney,_saveMoneyCount,_getMoneyCount];
}
@end

#import <Foundation/Foundation.h>
enum TypeOfMoney
{
    TypeOfMoneyReal,//真币

    TypeOfMoneyFake//假币
};

typedef enum TypeOfMoney TypeOfMoney;

@interface Money : NSObject

@end

#import "Money.h"
@implementation Money
{

}

@end

#import <Foundation/Foundation.h>

@interface BankCard : NSObject
{
    /**用来存储银行卡账号*/
    NSString * _cardNumber;

    /**用来存储银行卡使用者姓名*/
    NSString * _userName;

}
-(void)showCardNumber:(NSString *)number;
-(void)showUserName:(NSString *)name;
@property NSString * _cardNumber;
@property NSString * _userName;
@end

#import "BankCard.h"

@implementation BankCard

@synthesize _cardNumber = carNumber;
@synthesize _userName = userName;
-(void)showCardNumber:(NSString *)number
{
    //这里忘记了传參数！！！
    _cardNumber = number;
    NSLog(@"%@",_cardNumber);
}
-(void)showUserName:(NSString *)name
{
    _userName = name;
    NSLog(@"%@",_userName);
}
-(NSString *)description
{
    return [NSString stringWithFormat:@"账号：%@ username：%@",_cardNumber,_userName];
}
@end