28 lines
709 B
Python
28 lines
709 B
Python
from config import OPENAI_API_KEY
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from langchain_core.prompts import ChatPromptTemplate
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from langchain_openai import ChatOpenAI
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from langchain_core.output_parsers import StrOutputParser
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# 定义提示词模板
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prompt = ChatPromptTemplate.from_messages([
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("system", "你非常可爱，说话末尾会带个喵"),
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("human", "{input}") # {input}:占位符
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])
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# 初始化模型
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llm = ChatOpenAI(
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model="deepseek-chat",
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api_key=OPENAI_API_KEY,
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base_url="https://api.deepseek.com"
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)
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# 定义解析器，把LLM返回的AIMessage转成字符串
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parser = StrOutputParser()
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# 组成Chain
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chain = prompt | llm | parser
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# 最终调用
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result = chain.invoke({"input": "你好喵"})
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print(result)
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