engine.io和socket.io有什么区别? [英] What's the difference between engine.io and socket.io?

问题描述

如果这个问题重复，请纠正我. 关于node.js，我正在使用socket.io进行从客户端应用程序到服务器应用程序的实时套接字连接. 我刚刚听说了engine.io，engine.io是否可以替代socket.io? 我在engine.io网站上找不到任何有用的信息

Please correct me if this question is a duplicate. Regarding node.js, I'm using socket.io for real-time socket connection from the client application to the server application. I just heard about engine.io, is engine.io a replacement for socket.io? I could not find any useful information on engine.io website

预先感谢

推荐答案

engine.io 是比socket.io低的库.

engine.io is a lower level library than socket.io.

对于Socket.IO来说，引擎就是什么.对Express而言，连接就是引擎.

Engine is to Socket.IO what Connect is to Express.

如果需要较低级别的抽象，请使用engine.io.如果您想要Websocket抽象，请继续使用socket.io.

If you want the lower level abstraction, use engine.io. If you want a websocket abstraction, keep using socket.io.

engine.io将对您更感兴趣.

engine.io is of more interest to you if you're building a library/framework on top of socket.io.

socket.io将对您更感兴趣.

socket.io is of more interest to you if you're building an application on top of socket.io.

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