day06-05-多态-按钮练习

Objective-c

#import <Foundation/Foundation.h>
#import "MyButton.h"
#import "MyButton_a.h"
#import "MyButton_b.h"
#import "MyButton_AA.h"
#import "MyButton_BB.h"
//创建四个按钮分别是 a A b B
//输入a A b B 其中一种, 让对应的按钮输出 轻拳 重拳  轻腿  重腿
int main(int argc, const char * argv[]) {
    @autoreleasepool {
        //MyButton *btn = [[MyButton alloc] init];
        MyButton_a *a = [[MyButton_a alloc] init];
        MyButton_AA *A = [[MyButton_AA alloc] init];
        MyButton_b *b = [[MyButton_b alloc] init];
        MyButton_BB *B = [[MyButton_BB alloc] init];
        NSDictionary *dic = @{@"a":a,@"A":A,@"b":b,@"B":B};
        while(1)
        {
            char s[10] = {};
            scanf("%s",s);
            MyButton *btn = dic[[NSString stringWithUTF8String:s]];
            [btn btnClick];
        }
    }
    return 0;
}

#import "MyButton.h"
@interface MyButton_AA : MyButton
@end

#import "MyButton_AA.h"
@implementation MyButton_AA
-(void)btnClick
{
    NSLog(@"重拳");
}
@end

#import "MyButton.h"
@interface MyButton_b : MyButton
@end

#import "MyButton_b.h"
@implementation MyButton_b
-(void)btnClick
{
    NSLog(@"轻腿");
}
@end

#import "MyButton.h"
@interface MyButton_BB : MyButton
@end

#import "MyButton_BB.h"
@implementation MyButton_BB
-(void)btnClick
{
    NSLog(@"重腿");
}
@end

#import "MyButton.h"
@interface MyButton_a : MyButton
@end

#import "MyButton_a.h"
@implementation MyButton_a
-(void)btnClick
{
    NSLog(@"轻拳");
}
@end

#import <Foundation/Foundation.h>
@interface MyButton : NSObject
{
    NSString *_name;
}
-(void)btnClick;
@end

#import "MyButton.h"
@implementation MyButton
-(instancetype)init
{
    if(self = [super init])
    {
        _name = @"a";
    }
    return self;
}
-(void)btnClick
{
    NSLog(@"被点击");
}
@end