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文章 2025-05-01 来自：开发者社区

权限验证中间件中模拟权限检查函数的具体逻辑

在权限验证中间件里，模拟权限检查函数的具体逻辑会依据不同的业务场景而有所不同。下面为你介绍几种常见的权限检查逻辑示例。 1. 基于用户角色的权限检查这种方式依据用户的角色来判断其是否具备执行特定 action 的权限。例如，在一个系统中存在管理员（admin）、普通用户（user）等角色，不同角色...

文章 2024-05-16 来自：开发者社区

中间件Cache-Aside策略检查缓存

在分布式系统和应用中，缓存是提高性能和响应速度的关键技术之一。Cache-Aside 策略（也称为“旁路缓存”或“应用层缓存”）是一种缓存策略，其中应用程序负责维护缓存与数据源之间的同步。以下是使用 Cache-Aside 策略检查缓存的基本步骤：检查缓存：当应用程序需要某个数据时，它首先会尝试从缓存中检索这个数据。缓存可能是内存中的数据结构（如哈希表、数组等），...

中间件Cache-Aside策略检查缓存

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更新时间 2025-05-02 12:09:37

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