1、afnetworking
http://pan.baidu.com/share/link?shareid=4051652557&uk=2234221458
2、面具工具
http://pan.baidu.com/share/link?shareid=2064163073&uk=2234221458
3、sdwebimage
http://pan.baidu.com/share/link?shareid=4051652557&uk=2234221458
原文：http://www.cnblogs.com/yydblog/p/5534438.html