ios开发之公交卡系统的设计与实现

//  //  main.m  //  Bus-公交    /*      公交一卡通充值系统，有两种功能选择，第一种投入硬币或者纸币      选择购票，第二种一卡通充值，充值面额是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];//这里赋值的时候赋值成为100，导致程序出错      //[ChargeMachine recharge:KindOfMoney20];      [ChargeMachine recharge:KindOfMoney50];      [ChargeMachine recharge:KindOfMoneyCoinMoney2];      //[machine recharge:KindOfMoneyCoinMoney2];      NSLog(@"%@",machine);                  return 0;  }

#import <Foundation/Foundation.h>  #import "Money.h"      @interface Card : NSObject  {      /*公交卡卡编号*/      NSString * _numberOfCard;            /**公交卡存放金额*/      int MoneyOfCard;        }    @property NSString * numberOfCard;  @property int MoneyOfCard;  @end

#import "Card.h"    @implementation Card  @synthesize numberOfCard = _numberOfCard ;  @synthesize MoneyOfCard = _MoneyOfCard;          @end

#import <Foundation/Foundation.h>  #import "Money.h"  @interface ChargeMachine : NSObject  {      /**用来记录销售总量*/      int countOfMoney;            KindOfMoney _money;              }      @property int countOfMoney;  /**打印票据*/  -(void)sellTicket;    /**充值*/  +(int)recharge:(KindOfMoney)kindOfMoney;    -(int)recordcounOfMony;    @end

#import "ChargeMachine.h"    @implementation ChargeMachine  @synthesize countOfMoney = _countOfMoney;  /**打印票据*/    -(void)sellTicket  {      NSLog(@"卖出一张车票");  }    /**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(@"您充值的金额是20元");              break;          case KindOfMoney50:              moneyKind = 50;              NSLog(@"您充值的金额是50元");              //countOfMoney += money;              break;          case KindOfMoney100:              moneyKind = 100;              NSLog(@"您充值的金额是100元");              //countOfMoney += money;              break;          case KindOfMoneyCoinMoney2:              moneyKind = 2;              NSLog(@"您投的是硬币");              [machine sellTicket];              break;          case KindOfMoneyPaperMoney2:              moneyKind = 2;              NSLog(@"您投的是纸币");              [machine sellTicket];              break;          default:              break;      }      return moneyKind;  }    -(NSString *)description  {      //经过多次调用怎样保存一个变量的值？            //ChargeMachine * machine = [[ChargeMachine alloc]init];      //int moneyKind = [ChargeMachine recharge:_money];      //int countOf_Money = [ChargeMachine recharge:_money];      return [NSString stringWithFormat:@"%d",_money];  }  @end

#import <Foundation/Foundation.h>  enum KindOfMoney  {      /**用来存储充值面额为20的变量*/      KindOfMoney20,            /**用来存储充值面额为50的变量*/      KindOfMoney50,            /**用来存储充值面额为100的变量*/      KindOfMoney100,            KindOfMoneyCoinMoney2,            KindOfMoneyPaperMoney2  };    typedef enum KindOfMoney KindOfMoney;    @interface Money : NSObject  {      KindOfMoney _kindOfMoney;  }  -(Money*)initWithKindOfMoney:(KindOfMoney)kindOfMoney;  typedef enum KindOfMoney KindOfMoney;  @end

#import "Money.h"    @implementation Money  {        }  -(Money*)initWithKindOfMoney:(KindOfMoney)kindOfMoney  {      self = [super init];      if (self!=nil) {          _kindOfMoney = kindOfMoney;      }      return self;  }  @end

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ios开发之公交卡系统的设计与实现