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会话技术及jsp概述-天纵之欲-51CTO博客

 6 years ago
source link: http://blog.51cto.com/378213986/2069373
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一、会话技术 1、概念:在一次会话中共享数据,在web中指,浏览器和服务器的一次通信。包含多次请求,和多次响应。 可以在一次会话的多次请求中共享数据。 2、客户端会话技术:Cookie 将数据保存在客户端 服务器压力不大 但数据不安全;Cookie默认存储在浏览器的内存中 //发送cookie: Cookie c = new Cookie("msg",&quo

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