JSON 结构化输出

package com.pig4cloud.ai.sentiment;

import dev.langchain4j.service.UserMessage;
import dev.langchain4j.service.spring.AiService;

public interface SentimentAnalyzer {
    
    // text=假期结束开始上班
    @UserMessage("{{it}} 是否具有正面情感？")
    boolean isPositive(String text);

    // text=假期结束开始上班
    @UserMessage("分析 {{it}} 的情感")
    Sentiment analyzeSentimentOf(String text);

    enum Sentiment {
        POSITIVE, // 正面情感
        NEGATIVE, // 负面情感
        NEUTRAL   // 中立情感
    }
}

public interface NumberExtractor {
    
    // text=我赚了100块
    @UserMessage("Extract a number from {{it}}")
    int extractInt(String text);

    // text=我赚了100块
    @UserMessage("Extract a long number from {{it}}")
    long extractLong(String text);

    // text=我赚了100块
    @UserMessage("Extract a big integer from {{it}}")
    BigInteger extractBigInteger(String text);

    // text=我赚了100块
    @UserMessage("Extract a float number from {{it}}")
    float extractFloat(String text);

    // text=我赚了100块
    @UserMessage("Extract a double number from {{it}}")
    double extractDouble(String text);

    // text=我赚了100块
    @UserMessage("Extract a big decimal from {{it}}")
    BigDecimal extractBigDecimal(String text);
}

@AiService
public interface PersonExtractor {

    @UserMessage("Extract information about a person from {{it}}")
    Person extractPerson(String text);

    @Data
    class Person {
        @Description("name of a person") // 增加字段描述，让大模型更理解字段含义
        private String name;
        private LocalDate birthDate;
    }
}