AI智能工牌的建表语句

src/main/java/com/rj/repository/RedisChatMemoryStore.java

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+package com.rj.repository;
+
+import dev.langchain4j.data.message.ChatMessage;
+import dev.langchain4j.data.message.ChatMessageDeserializer;
+import dev.langchain4j.data.message.ChatMessageSerializer;
+import dev.langchain4j.store.memory.chat.ChatMemoryStore;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.redis.core.StringRedisTemplate;
+import org.springframework.stereotype.Repository;
+
+import java.time.Duration;
+import java.util.List;
+
+/**
+ * Author: 李中华  wx: spllzh  email(qq): 28668817@qq.com
+ * Date: 2025/8/4 17:39
+ **/
+@Repository
+public class RedisChatMemoryStore implements ChatMemoryStore {
+
+    @Autowired
+    private StringRedisTemplate redisTemplate;
+
+    @Override
+    public List<ChatMessage> getMessages(Object memoryId) {
+        //获取当前会话id的 聊天列表，是json串
+        String chatMessageListJson = redisTemplate.opsForValue().get(memoryId.toString());
+
+        // 把JSON转换成会话列表
+        List<ChatMessage> chatMessages = ChatMessageDeserializer.messagesFromJson(chatMessageListJson);
+
+        return chatMessages;
+    }
+
+    @Override
+    public void updateMessages(Object memoryId, List<ChatMessage> list) {
+
+        //把会话列表转换成JSON
+        String chatMessageListJson = ChatMessageSerializer.messagesToJson(list);
+
+        //更新当前会话id的值，保存到Redis里
+        redisTemplate.opsForValue().set(memoryId.toString(), chatMessageListJson, Duration.ofDays(1));
+
+    }
+
+    @Override
+    public void deleteMessages(Object memoryId) {
+            // 删除当前会话id的值
+        redisTemplate.delete(memoryId.toString());
+    }
+}