websocket抓包我们可以用wireshark抓个包，实际看下数据包的情况。客户端请求升级为websocket上面这张图，注意画了红框的第2445行报文，是websocket的第一次握手，意思是发起了一次带有特殊Header的HTTP请求。服务器同意升级为websocket协议上面这个图里画了红...

为什么有HTTP协议，还要有websocket协议 1

平时我们打开网页，比如购物网站某宝。都是点一下列表商品，跳转一下网页就到了商品详情。从HTTP协议的角度来看，就是点一下网页上的某个按钮，前端发一次HTTP请求，网站返回一次HTTP响应。这种由客户端主动请求，服务器响应的方式也满足大部分网页的功能场景。但有没有发现，这种情况下，服务器...

HTTP协议系列(3)---包括WebSocket简单介绍

一、HTTPS HTTP是超文本传输协议，那HTTPS是什么尼？要明白HTTPS是什么先要明白HTTP的缺点，想一下我们在使用HTTP的时候会有那些缺点尼？ 1.通信使用的明文（不加密），内容可能会被窃听； ...

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更新时间 2023-08-29 21:48:22

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