自定义cell删除控件

    //移除之前加载的图片按钮

    NSLog(@"删除前%lu",(unsignedlong)cell.contentView.subviews.count);

    NSArray *arr=cell.contentView.subviews;

    for(inti=0; i<arr.count;i++){

        if([arr[i]isKindOfClass:[UIImageViewclass]]) {

            UIImageView*btn = arr[i];

            NSLog(@"删除了第%d个%@",i,btn);

            [btnremoveFromSuperview];

        }elseif([arr[i]isKindOfClass:[UIButtonclass]]){

            UIButton*btn = arr[i];

            NSLog(@"删除了第%d个%@",i,btn);

            [btnremoveFromSuperview];

        }

        else{

        }

    }

    NSLog(@"删除后%lu",(unsignedlong)cell.contentView.subviews.count);