iOS

https://wenku.baidu.com/view/b4ca09a69e3143323868930e.html

https://wenku.baidu.com/view/2f1fb6b3294ac850ad02de80d4d8d15abe2300ba.html

http://www.doc88.com/p-2174489386626.html

http://www.docin.com/p-1808360048.html

https://max.book118.com/index.php?m=Search&a=index&p=3

http://blog.csdn.net/qq_33777090/article/details/51566806

http://www.qianluntianxia.com/lunwen/487/2476663.html

aixianfeng
http://www.jianshu.com/p/879f58fe3542
https://github.com/huanxsd/MeiTuan