1、前端分享功能实现：
https://blog.csdn.net/deeplies/article/details/77334166
2、分享功能的后端实现
https://blog.csdn.net/cwcwj3069/article/details/41698417
https://blog.csdn.net/u010597493/article/details/53994338
微信分享：
https://blog.csdn.net/crystalu3/article/details/54425482
3、github的源码：
https://github.com/xyzlf/ShareSDK
https://github.com/MobClub/ShareSDK-for-Android
https://github.com/MobClub/ShareSDK-for-iOS