1.先看官方demo的playground
然后看下边
https://www.jianshu.com/p/a1e2665f9a6c
2.subject代理
https://www.cnblogs.com/scott-mr/p/7212509.html
3.用RxSwift仿写知乎日报
http://www.cocoachina.com/swift/20170222/18727.html
4.Driver
https://www.cnblogs.com/scott-mr/p/7234769.html