UIImageView-AnimationForSDWebImage:一个SDWebImage 类别 加载图片有一个过度动画效果

UIImageView-AnimationForSDWebImage 一个SDWebImage 类别 加载图片有一个过度动画效果,就像网易新闻加载图片动画过渡一样 用法 [self.imageView sd_setImageWithURL:[NSURL URLWithString:@"http://wenwen.soso.com/p/20090901/20090901120123-329341688.jpg"] placeholderImage:[UIImage imageNamed:@"bg_merchant_photo_placeholder_big"] options:0 completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, NSURL *imageURL) { self.ima