UIActionSheet底部弹出框

<底部弹出框来提示用户信息>
    1.遵循代理方法<UIActionSheetDelete>
    2.调用放法 [UIActionSheet *sheet=[UIActionSheet alloc]initWithTitle:@“通关了!” delegate:self cancelButtonTitle:@“取消” destructiveButtonTitle:@“购买” otherButtonTitles:@“购买1”,@“购买2”,nil]
    [sheet showInView:self.view];

    3.点击第几个按钮根据ButtonIndex 传值  调用代理方法
    - (void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex
    {    NSLog(@"%d,执行完UIActionSheet的代理方法时调用这个方法",buttonIndex);    }