【LangChain4J】SpringBoot整合

Spring Boot Integration 提供了2种方式

底层集成

<dependency>
    <groupId>dev.langchain4j</groupId>
    <artifactId>langchain4j-open-ai-spring-boot-starter</artifactId>
</dependency>

langchain4j.open-ai.chat-model.api-key=${DASHSCOPE_API_KEY}
langchain4j.open-ai.chat-model.model-name=qwen-plus
langchain4j.open-ai.chat-model.base-url=https://dashscope.aliyuncs.com/compatible-mode/v1

@RestController
public class ChatController {

    ChatModel chatModel;

    public ChatController(ChatModel chatModel) {
        this.chatModel = chatModel;
    }

    @GetMapping("/chat")
    public String model(@RequestParam(value = "message", defaultValue = "Hello") String message) {
        return chatModel.chat(message);
    }
}

声明式AI Services集成

<dependency>
    <groupId>dev.langchain4j</groupId>
    <artifactId>langchain4j-spring-boot-starter</artifactId>
</dependency>

@AiService
public interface ChatAssistant {

    String chat(String prompt);

}

@RestController
class AssistantController {

    @Autowired
    Assistant assistant;

    @GetMapping("/chat")
    public String chat(String message) {
        return assistant.chat(message);
    }
}