Is this you? As a journalist, you can create a free Muck Rack account to customize your profile, list your contact preferences, and upload a portfolio of your best work.
Claim your profile
Get in touch with import com.itheima.utils.Message
Contact import com.itheima.utils.Message, search articles and posts on X, monitor coverage, and track replies from one place.
Learn more about Muck RackActions
Is this you?
As a journalist, you can create a free Muck Rack account to customize your profile, list your contact preferences, and upload a portfolio of your best work.Articles
黑马在线聊天室(websocket)-CSDN博客
黑马在线聊天室(websocket) 1. 轮询方式 轮询是一种客户端与服务器之间实时通信的技术手段。客户端定期发送请求来查询服务器是否有新数据或事件,并将响应返 回给客户端。如果服务器有新的数据或事件,则将其返回给客户端;如果没有,则返回一个空响应。客户端收到响应后,可 以处理数据或事件,并根据需要继续发送下一个请求。 长轮询是一种改进的轮询技术,其主要目的是降低轮询过程中的资源消耗和延迟。长轮询的基本原理是客户端发送一个 HTTP请求给服务器,并保持连接打开,直到服务器有新的数据或事件时才返回响应给客户端。在这期间,服务器会一直保持连接打开,直到超时或有新数据或事件 2. SSE(server-sent event):服务器发送事件 SSE在服务器和客户端之间打开一个单向通道 服务端响应的不再是一次性的数据包,而是text/event-stream类型的数据流信息 服务器有数据变更时将数据流式传输到客户端 3.
Actions
Is this you?
As a journalist, you can create a free Muck Rack account to customize your profile, list your contact preferences, and upload a portfolio of your best work.Get in touch with import com.itheima.utils.Message
Contact import com.itheima.utils.Message, search articles and posts on X, monitor coverage, and track replies from one place.
Learn more about Muck Rack