Design and implementation of electronic coupon for iOS development

  main.m//  E-coupon//#import <Foundation/Foundation.h> #import "Discount.h" #import "Food.h" int main ( int argc, const char * argv[]) {    Discount * dis = [[Discount alloc]init];        [Dis showinformation:20 anddiscounttime:@] This coupon is used after 10:30 daily to use the "andcontentinformation:@" coupon only for McDonald's restaurants selling coupon products in mainland China , the specific notice in the store, the validity of December 4, 2013-December 30, 2013, alteration or damage is invalid; Food in kind, the image for reference only; this coupon is not suitable for room service; except food, other items (including containers) are not covered by the sale This coupon cannot be used in conjunction with other promotional offers.        @autoreleasepool {                //Insert code        here ... NSLog (@ "Hello, world!");            }    return 0;}

  discount.h//  E-coupon//#import <Foundation/Foundation.h> @interface discount:nsobject{    /** Used to record discounted price */    int _price;        /** used to record the time of discounted use * *    NSString * _discounttime;        /** Final Interpretation Rights information */    NSString * _contentinformation;} @property int price; @property NSString * discounttime; @property NSString * contentinformation;-(void) Showinformation: ( int) Price Anddiscounttime: (NSString *) discounttime andcontentinformation: (NSString *) contentinformation; @end

////discount.m//e-coupon//#import "Discount.h" @implementation discount@synthesize Price = _price; @synthesize discounttime = _discounttime; @synthesize contentinformation = _contentinformation;-(void) Showinformation: (int) Price anddiscounttime: (NSString *) discounttime andcontentinformation: (NSString *)        contentinformation{_price = Price;        _discounttime = Discounttime;        _contentinformation = contentinformation; NSLog (@ "Price:%d discount Time:%@ Detailed Description:%@", _price,_discounttime,_contentinformation);} -(NSString *) description{return [NSString stringwithformat:@ "Price:%d discount time:%@ details%@", _price,_discounttime,_ Contentinformation];} @end 

  food.h//  E-coupon//#import <Foundation/Foundation.h> @interface food:nsobject{    /** to record the name of the dish * *    NSString * _FOODNAME;        /** Composition Material    */NSString * _material;        /** Nutrition Information    * * NSString * _nutrition;        /** used to record food types * *    NSString * _kindoffood;} @property NSString * foodname; @property nsstring * material; @property nsstring * NUTRITION; @property NSString * Kindoffood ;-(void) Showinformation: (nsstring*) foodname andshowmaterial: (NSString *) material andshownurition: (NSString *) Nutrition; @end

  food.m//  E-coupon//#import "Food.h" @implementation food@synthesize foodname = _foodname; @synthesize material = _material; @synthesize nutrition = _nutrition; @synthesize kindoffood = _kindoffood;-(void) Showinformation: ( nsstring*) foodname andshowmaterial: (NSString *) material andshownurition: (NSString *) nutrition; {    _foodname = foodname;    _material = material;    _nutrition = nutrition;    NSLog (@ "%@%@%@", _foodname,_material,_nutrition);} -(NSString *) description{    return [nsstring stringwithformat:@ "Food Name:%@ Ingredients:%@ Nutrients:%@", _foodname,_material,_ Nutrition];} @end

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Design and implementation of electronic coupon for iOS development