//重用cell
NSString *reuseIdentifier = [NSString stringWithFormat:@"FNCVoiceDetailViewcCell+%ld+%ld", (long)indexPath.section, (long)indexPath.row];
[self.peopleCollectionView registerClass:[UICollectionViewCell class] forCellWithReuseIdentifier:reuseIdentifier];
UICollectionViewCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:reuseIdentifier forIndexPath:indexPath];
//防止cell复用
for(id subView in cell.subviews){
if(subView){
[subView removeFromSuperview];
}
}
return cell;