the item width must be less than the width of the UICollectionView minus the section insets left and

在使用collectionView出现the item width must be less than the width of the UICollectionView minus the section insets left and right values.

的提示时,说明CollectionViewCell的宽高设置错了,

只要在- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout*)collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)indexPath的方法中修改返回的size就可以了

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