//iPhone类的声明
typedef enum iphonecolor{hei,bai,thj,mgj} ys;
@interface iphone : NSObject
{   //属性
    @public
    float _size;
    NSString *_cpu;
    ys _color;
}
    //类的行为
- (void)aboutMyphone;
- (void)call:(NSString *)telnum;//打电话，需要传参数
- (void)sendMessage:(NSString *)telnum andcotent:(NSString *)cotent;//发短信
@end

    //类的实现
@implementation iphone
- (void)aboutMyphone{
    NSLog(@"尺寸是：%.2f,颜色是：%d,CPU是：%@,",_size,_color,_cpu);
}
- (void)call:(NSString *)telnum{
    NSLog(@"给%@打电话",telnum);
}
- (void)sendMessage:(NSString *)telnum andcotent:(NSString *)cotent{
    NSLog(@"给%@发短信：%@,",telnum,cotent);
}
彻底懵了

    //iPhone类的声明
typedef enum iphonecolor{hei,bai,thj,mgj} ys;
@interface iphone : NSObject
{   //属性
    @public
    float _size;
    NSString *_cpu;
    ys _color;
}
    //类的行为
- (void)aboutMyphone;
- (void)call:(NSString *)telnum;//打电话，需要传参数
- (void)sendMessage:(NSString *)telnum andcotent:(NSString *)cotent;//发短信
@end

    //类的实现
@implementation iphone
- (void)aboutMyphone{
    NSLog(@"尺寸是：%.2f,颜色是：%d,CPU是：%@,",_size,_color,_cpu);
}
- (void)call:(NSString *)telnum{
    NSLog(@"给%@打电话",telnum);
}
- (void)sendMessage:(NSString *)telnum andcotent:(NSString *)cotent{
    NSLog(@"给%@发短信：%@,",telnum,cotent);
}
彻底懵了