QQ群号 113767274 有什么问题或者改进的地方大家一起讨论 支持显示点击后下载，下载失败显示裂图，自动重试等功能
UIImageView by SDWebImage to add download progress bar and click on the download fails automatic retry
UIImageView add download progress bar and click on the download fails automatic retry
QQ群号 113767274 有什么问题或者改进的地方大家一起讨论 支持显示点击后下载，下载失败显示裂图，自动重试等功能
UIImageView by SDWebImage to add download progress bar and click on the download fails automatic retry
UIImageView add download progress bar and click on the download fails automatic retry
MIT License