1：先遵守UIAlertViewDelegate

2：- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex{

   if (buttonIndex==0) {

       NSLog(@"你点击了取消");

    }elseif (buttonIndex==1){

        [self.myOverButtonsetTitle:@"已结束"forState:UIControlStateNormal];

       NSLog(@"你点击了确定");

    }

}

iOS中UIAlertView的点击响应事件