Unverified60% confidenceFactTime unknown
LangChain的统一接口基于LCEL（LangChain Expression Language）构建，所有模型对象都实现了相同的Runnable接口协议
2
Sources
60%
Confidence
Long-term
Relevance
5/31/2026
First Seen
Sources
LangChain统一接口实战：模型调用到Agent构建全流程
bilibili码士集团-小晨晨晨
Related Entities
Related Claims
VerifiedLangChain的统一接口设计基于软件工程中的适配器模式（Adapter Pattern）80% similarUnverifiedLangChain包含Runnable接口设计、LCEL（LangChain Expression Language）流式执行机制、以及AgentExecutor79% similarUnverifiedLangChain框架在Function Calling基础上提供了统一的Tool接口层，使同一套Agent代码可以无缝切换不同的底层模型76% similarUnverifiedLangChain对大模型调用做了统一的抽象封装，上层业务代码只与统一的BaseLanguageModel接口交互，实现换模型不换代码75% similarUnverifiedLangChain采用面向接口编程的分层架构，符合SOLID原则中的开放-封闭原则75% similar
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