HTTPS官方文档-阿里云

《HttpClient官方文档》第六章 HTTP 缓存

第六章. HTTP缓存 6.1. 通用概念 HttpClient Cache 提供了用HttpClient（等效浏览器缓存的Java实现）来兼容HTTP / 1.1的缓存层。实现遵循责任链模式，HttpClient缓存的实现类可以替代默认无缓存的HttpClient;完全可以通过缓存实现的请求将不会...

《HttpClient官方文档》1.3 HTTP执行上下文

1.3 HTTP执行上下文 HTTP起初是被设计成一种无状态的、面向请求和响应的协议。然而实际的应用经常需要在请求-响应切换过程中保存状态信息。为了使应用能够维持处理状态，HttpClient允许HTTP请求可以在一个特殊的上下文环境（HttpContext）中执行。如果一个context在连续的H...

《HttpClient官方文档》HTTP验证4.4-4.7

4.4 HTTP验证和执行上下文 HttpClient依赖于AuthState类来追踪验证进程的状态的详细信息。HttpClient在执行HTTP请求执行时，创建AuthState的两个实例：一个对目标主机认证，另外一个用于代理认证。一旦目标主机或者代理要求用户验证，对应的AuthState实例将会...

《HttpClient官方文档》2.1 连接持久性-2.2 HTTP连接路由

2.1. 连接持久性一个主机与另一个主机建立连接的过程是相当复杂的，并且涉及两个端点之间的多个分组交换，这可能相当耗时。尤其是对于较小的HTTP消息来说，连接握手的开销是很大的。如果打开的连接能够重用于执行多次请求，就可以实现更高的数据吞吐量。 HTTP/1.1协议规定每个缺省的HTTP...

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更新时间 2023-03-22 01:07:05

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