langchain-chat-prompt-template

name	langchain-chat-prompt-template
description	Guide to using ChatPromptTemplate and MessagesPlaceholder in LangChain for conversational AI. Use when building chatbots, conversational interfaces, or AI assistants that need to maintain conversation history.

AI 编码 Prompt Skill

描述

This is handy because you don’t need to manually construct message objects — the template handles it...

类型

• 类型: AI 编码
• 评分: 60/100

Prompt

This is handy because you don’t need to manually construct message objects — the template handles it for you. When you’re working with chat-based models, you often want to include conversation history (or some sequence of messages). MessagesPlaceholder acts as a stand-in for a dynamic list of messages you’ll provide at runtime. Imagine we’re building a career coach bot that remembers previous questions and answers: from langchain_core.prompts import ChatPromptTemplate, MessagesPlaceholder from langchain_core.messages import HumanMessage, AIMessage chat_prompt = ChatPromptTemplate.fro

来源信息

• 来源: N/A
• 原始链接: https://mirascope.com/blog/langchain-prompt-template
• 作者: N/A
• 互动: 0 赞

元数据

• 收集时间: 2026-01-30T20:48:50.625041
• Prompt 类型: AI 编码
• 质量分数: 60/100

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