UITableViewCell自定义accessoryButton

我自定义accessoryButton的图片，但是Delegate么有响应，哪弄错了？

UIImage *accessoryImage = [UIImage imageNamed:@"acc_bg.png"];
UIImageView *accImageView = [[UIImageView alloc] initWithImage:accessoryImage];
accImageView.userInteractionEnabled = YES;
[accImageView setFrame:CGRectMake(0, 0, 28.0, 28.0)];
self.accessoryView = accImageView;
[accImageView release];

tableView:accessoryButtonTappedForRowWithIndexPath: 没有响应

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官方文档

Discussion The delegate usually responds to the tap on the disclosure button (the accessory view) by displaying a new view related to the selected row. This method is not called when an accessory view is set for the row at indexPath.

所以你可以不用UIImageView而直接使用一个UIButton，然后给这个button设置对应的事件自己处理好了。