Unverified60% confidenceFactExact time
LangChain的中间件机制在设计上借鉴了Web开发领域的中间件模式,类似于Express.js、Django中间件或Java的Filter链,核心是责任链模式
2
Sources
60%
Confidence
Medium-term (~90 days)
Relevance
7/3/2026
First Seen
Valid until: 10/1/2026
Sources
LangChain入门:Model与Agent核心概念详解
bilibiliAgentic_RAG7/2/2026
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