日课24 OC对象作为方法参数连续传递 - 黑马程序员技术交流社区

#import <Foundation/Foundation.h>
#pragma mark 弹夹类
@interface BulletBox:NSObject
{
@public
NSString *_size;
int _bulletCount;
}
@end
@implementation BulletBox
@end
#pragma mark 枪类
@interface Gun:NSObject
{
@public
NSString *_size;
}
-(void) shoot:(BulletBox *)bulletbox;
@end
@implementation Gun
-(void) shoot:(BulletBox *)bulletbox{
if(bulletbox->_bulletCount>0){
bulletbox->_bulletCount--;
NSLog(@"\n开枪射击，嘭...（枪的型号：%@，子弹口径：%@，剩余子弹：%d）",_size,bulletbox->_size,bulletbox->_bulletCount);
}else{
NSLog(@"\n没有子弹了，请更换弹夹！！");
}
}
@end
#pragma mark 士兵类
@interface Soldier:NSObject
{
@public
NSString *_name;
int _life;
}
-(void) fire:(Gun *)gun and:(BulletBox *)bulletbox;
@end
@implementation Soldier
-(void) fire:(Gun *)gun and:(BulletBox *)bulletbox{
[gun shoot:bulletbox];
}
@end
#pragma mark -
int main(int argc, const char * argv[]) {
@autoreleasepool {
//实例化弹夹
BulletBox *bulletbox = [BulletBox new];
bulletbox->_size = @"0.5mm";
bulletbox->_bulletCount = 5;
//实例化枪
Gun *gun = [Gun new];
gun->_size = @"AK47";
//实例化士兵
Soldier *soldier = [Soldier new];
soldier->_name = @"卫龙";
soldier->_life = 100;
//连开7枪
[soldier fire:gun and:bulletbox];
[soldier fire:gun and:bulletbox];
[soldier fire:gun and:bulletbox];
[soldier fire:gun and:bulletbox];
[soldier fire:gun and:bulletbox];
[soldier fire:gun and:bulletbox];
[soldier fire:gun and:bulletbox];
}
return 0;
}

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