Sails.js套接字。好的和坏的一面。与socket.io的区别

So I am learning Sails.js at the moment and more specifically the integrated socket functionality of the framework. I do like the framework because it is very good for building APIs. My question is can you give me some comparison between socket.io and the sails sockets. I mean good and bad sides and is it worth it to learn the sails sockets or I should just use socket.io? Can I use socket.io in sails is another question. I didn't find any tutorials for Sails.js sockets and I am very confused. Also I'm new to sockets so if you can explain like for a beginner.So I am learning Sails.js at the moment and mor