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  • iOS自学-监听按钮点击、提醒框

     //事件监听的问题
        CGRect btn2Frame = CGRectMake(100.0, 150.0, 60.0, 44.0);
        //两种不同的方式创建
        UIButton *btn2 = [UIButton buttonWithType:UIButtonTypeRoundedRect];
        btn2.frame =btn2Frame;
        //设置Title
        [btn2 setTitle:@"BTN2" forState:UIControlStateNormal];
        //[btn2 setBackgroundImage:[UIImage imageNamed:@"pic.png"] forState:UIControlStateNormal];
        [btn2 setBackgroundColor:[UIColor blueColor]];
        [btn2 addTarget:self action:@selector(btnPressed:) forControlEvents:UIControlEventTouchUpInside];
        [self.view addSubview:btn2];
    
    -(void)btnPressed:(id)sender{
        UIButton* btn = (UIButton*)sender;
        NSLog(@"====>name");
        //    UIButton* thisBtn = (UIButton *)sender;
        //    [[[UIAlertView alloc] initWithTitle:@"Button" message:[NSString stringWithFormat: @"This is button:%@ action",thisBtn] delegate:self cancelButtonTitle:@"Cancel" otherButtonTitles:@"OK", nil] show];
        
    }

     提醒框

    -(void) someButtonClicked{
        
        UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"提示"
                                                         message:@"您点击了动态按钮!"
                                                        delegate:self
                                               cancelButtonTitle:@"确定"
                                               otherButtonTitles:@"第二项", @"第三项", nil] ;
        [alert show];
    }
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  • 原文地址:https://www.cnblogs.com/zhaixing/p/5430061.html
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