摘要：//准备开始布局 - (void)prepareLayout {} //返回的是决定cell样式的数组 - (NSArray<UICollectionViewLayoutAttributes *> *)layoutAttributesForElementsInRect:(CGRect)rect { 阅读全文

摘要：NSMutableArray * array = [NSMutableArray array]; for (int i = 1; i < 6; i++) { NSString * string = [NSString stringWithFormat:@"hehua0%d",i]; UIImage 阅读全文