关于人遛狗的代码实现,帮我看下有什么不足之处 - 黑马程序员技术交流社区

* 遛狗:每溜一次,狗就会执行“跑”这个行为

#import <Foundation/Foundation.h>
typedef enum Sex{kMan,kWoman} sex;
#pragma mark 狗类
//写一个狗的类
// 类名：Dog
// 实例变量 _color _speed _sex _weight
// 行为： eat jiao run compareColor compareSpeed
@interface Dog:NSObject
{
@public
//数据类型 _实例变量名
NSString * _color;
int _speed;
//NSString * _sex;
sex _sex;
float _weight;
}
//方法声明(无参有参)
-(float)eat;
-(void)jiao;
-(float)run;
-(BOOL)compareColor:(NSString*)otherColor;
-(int)compareSpeed:(int )otherSpeed;
@end
@implementation Dog
//方法名
-(float)eat{
_weight+=0.5f;
NSLog(@"wo吃东西了,我的体重增加到%.2f",_weight);
return _weight;
}
-(void)jiao{
NSLog(@"我的颜色是%@,速度是%d,性别是%d,体重%.2f",_color,_speed,_sex,_weight);
}
-(float)run{
_weight-=0.5f;
NSLog(@"wo跑步了,我的体重减少到%.2f",_weight);
return _weight;
}
-(BOOL)compareColor:(NSString *)otherColor{
if(_color == otherColor){
NSLog(@"haha,它和我的颜色相同");
return 0;
}else{
NSLog(@"很可惜,它和我的颜色不相同");
return 1;
}
}
-(int)compareSpeed:(int )otherSpeed{
return _speed-otherSpeed;
}
@end
#pragma mark -
#pragma mark 人类
@interface Person:NSObject
{
@public
NSString *_name;
Dog * _dog;
}
-(void)giveFoodToDog:(Dog *)dog;
-(void)runWithDog:(Dog *)dog;;
@end
@implementation Person
-(void)giveFoodToDog:(Dog *)dog{
[dog eat];
}
-(void)runWithDog:(Dog *)dog{
[dog run];
}
@end
int main(){
@autoreleasepool {
Dog *dog=[Dog new];
dog->_speed=20;
dog->_weight=30;
dog->_color=@"green";
dog->_sex=kWoman;
[dog jiao];
bool cp=[dog compareColor:@"black"];
NSLog(@"我的yanse:%@,比较结果wei:%d",dog->_color,cp);
int cS=[dog compareSpeed:10];
NSLog(@"速度差=%d",cS);
Person * person=[Person new];
person->_name=@"234";

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