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[网络] 44.什么是 Http 协议无状态协议?怎么解决 Http 协议无状态协议? #981

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qiilee opened this issue Feb 24, 2020 · 0 comments

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qiilee commented Feb 24, 2020

答案：

无状态协议对于事务处理没有记忆能力。缺少状态意味着如果后续处理需要前面的信息也就是说，

当客户端一次 HTTP 请求完成以后，客户端再发送一次 HTTP 请求，HTTP 并不知道当前客户端是一个”老用户“。

可以使用 Cookie 来解决无状态的问题，Cookie 就相当于一个通行证，第一次访问的时候给客户端发送一个 Cookie，

当客户端再次来的时候，拿着 Cookie(通行证)，那么服务器就知道这个是”老用户“。

解析：参考

qiilee added the 网络安全 label

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