参考地址：http://www.tuicool.com/articles/RvQFreq
Google+登录api： https://developers.google.com/identity/sign-in/web/devconsole-project
Google+自定义button： https://developers.google.com/identity/sign-in/web/build-button
Google+ token验证： https://developers.google.com/identity/sign-in/web/backend-auth
Facebook登录api： https://developers.facebook.com/docs/facebook-login?locale=zh_CN
Facebooktoken验证 api： https://developers.facebook.com/docs/facebook-login/access-tokens/debugging-and-error-handling
Facebook token验证解决方案： http://stackoverflow.com/questions/19359868/how-would-you-perform-debug-token-call-using-facebook-php-sdk
后台https地址请求解决方法： http://blog.csdn.net/rongyongfeikai2/article/details/41659353
angularjs google sign in:
参考地址：https://blog.codecentric.de/en/2014/06/angularjs-google-sign-integration/?utm_source=tuicool&utm_medium=referral
Linked 、 Google 、 Facebook oAuth登录
http://blog.csdn.net/is_zhoufeng/article/details/10548751
react-facebook-login
https://www.npmjs.com/package/react-facebook-login-component