给UIImageView添加点击事件

UIImageView *imageview1 = [[UIImageView alloc] initWithFrame:CGRectMake(125, 50, 229, 229)];
[imageview1 setImage:[UIImage imageWithContentsOfFile:path]];
imageview1.userInteractionEnabled = YES;
UITapGestureRecognizer *singleTap1 = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(buttonpress1:)];
[imageview1 addGestureRecognizer:singleTap1];
[singleTap1 release];
[myScrollView addSubview:imageview1];
[imageview1 release];