feat(ai): 支持图片上传与COS存储

- 新增图片上传功能，支持PNG、JPEG等常见格式
- 集成腾讯云COS对象存储服务，实现文件云端存储
-优化文档上传逻辑，图片文件不再进行向量化处理
- 升级DashScope模型配置，启用多模态支持
- 移除废弃的SaveDocumentsTools工具类
- 添加hutool和腾讯云COS SDK依赖
- 调整文件上传大小限制，支持更大文件上传
-修复部分空指针异常问题，增强代码健壮性

pom.xml

@@ -58,14 +58,6 @@
             <artifactId>jasypt-spring-boot-starter</artifactId>
             <version>${jasypt-starter-version}</version>
         </dependency>
-        <dependency>
-            <groupId>com.alibaba.cloud.ai</groupId>
-            <artifactId>spring-ai-alibaba-starter-memory-redis</artifactId>
-        </dependency>
-        <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-starter-data-redis</artifactId>
-        </dependency>
         <dependency>
             <groupId>org.postgresql</groupId>
             <artifactId>postgresql</artifactId>
@@ -83,18 +75,58 @@
             <groupId>com.fasterxml.jackson.datatype</groupId>
             <artifactId>jackson-datatype-jsr310</artifactId>
         </dependency>
-        <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-starter-amqp</artifactId>
-        </dependency>
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-databind</artifactId>
         </dependency>
         <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-starter-mail</artifactId>
+            <groupId>org.springframework.ai</groupId>
+            <artifactId>spring-ai-starter-vector-store-pgvector</artifactId>
         </dependency>
+        <!-- 向量 Advisor -->
+        <dependency>
+            <groupId>org.springframework.ai</groupId>
+            <artifactId>spring-ai-advisors-vector-store</artifactId>
+        </dependency>
+        <!-- Cassandra -->
+        <dependency>
+            <groupId>org.springframework.ai</groupId>
+            <artifactId>spring-ai-starter-model-chat-memory-repository-cassandra</artifactId>
+        </dependency>
+        <!-- 读取 Markdown -->
+        <dependency>
+            <groupId>org.springframework.ai</groupId>
+            <artifactId>spring-ai-markdown-document-reader</artifactId>
+        </dependency>
+        <!-- 读取 HTML -->
+        <dependency>
+            <groupId>org.springframework.ai</groupId>
+            <artifactId>spring-ai-jsoup-document-reader</artifactId>
+        </dependency>
+        <!-- 读取 PDF -->
+        <dependency>
+            <groupId>org.springframework.ai</groupId>
+            <artifactId>spring-ai-pdf-document-reader</artifactId>
+        </dependency>
+        <!-- Tika -->
+        <dependency>
+            <groupId>org.springframework.ai</groupId>
+            <artifactId>spring-ai-tika-document-reader</artifactId>
+        </dependency>
+        <!--hutool工具类-->
+        <dependency>
+            <groupId>cn.hutool</groupId>
+            <artifactId>hutool-all</artifactId>
+            <version>5.8.40</version>
+        </dependency>
+        <!-- 腾讯云 OSS -->
+        <dependency>
+            <groupId>com.qcloud</groupId>
+            <artifactId>cos_api</artifactId>
+            <version>5.6.227</version>
+        </dependency>
+
+
 
 
     </dependencies>

snails-chat/src/main/java/com/hanserwei/chat/config/ChatClientConfiguration.java

@@ -1,15 +1,18 @@
 package com.hanserwei.chat.config;
 
 import com.alibaba.cloud.ai.dashscope.chat.DashScopeChatModel;
-import com.alibaba.cloud.ai.memory.redis.BaseRedisChatMemoryRepository;
-import com.alibaba.cloud.ai.memory.redis.LettuceRedisChatMemoryRepository;
+import com.alibaba.cloud.ai.dashscope.embedding.DashScopeEmbeddingModel;
 import com.hanserwei.chat.tools.AiDBTools;
-import com.hanserwei.chat.tools.SendMQMessageTools;
 import jakarta.annotation.Resource;
 import org.springframework.ai.chat.client.ChatClient;
 import org.springframework.ai.chat.client.advisor.PromptChatMemoryAdvisor;
+import org.springframework.ai.chat.client.advisor.SimpleLoggerAdvisor;
+import org.springframework.ai.chat.client.advisor.vectorstore.QuestionAnswerAdvisor;
 import org.springframework.ai.chat.memory.ChatMemory;
 import org.springframework.ai.chat.memory.MessageWindowChatMemory;
+import org.springframework.ai.chat.memory.repository.cassandra.CassandraChatMemoryRepository;
+import org.springframework.ai.vectorstore.SimpleVectorStore;
+import org.springframework.ai.vectorstore.VectorStore;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
@@ -17,49 +20,45 @@ import org.springframework.context.annotation.Configuration;
 @Configuration
 public class ChatClientConfiguration {
 
-    @Value("${spring.ai.memory.redis.host}")
-    private String redisHost;
-    @Value("${spring.ai.memory.redis.port}")
-    private int redisPort;
-    @Value("${spring.ai.memory.redis.password}")
-    private String redisPassword;
-    @Value("${spring.ai.memory.redis.timeout}")
-    private int redisTimeout;
-
-
     @Resource
     private DashScopeChatModel dashScopeChatModel;
     @Resource
     private AiDBTools aiDBTools;
+    @Resource
+    private DashScopeEmbeddingModel dashScopeEmbeddingModel;
+    @Resource
+    private CassandraChatMemoryRepository chatMemoryRepository;
+    @Resource
+    private VectorStore vectorStore;
+
 
     @Value("classpath:prompt/aiAssistant.st")
     private org.springframework.core.io.Resource aiAssistantResource;
 
     @Bean
-    public BaseRedisChatMemoryRepository redisChatMemoryRepository() {
-        // 构建RedissonRedisChatMemoryRepository实例
-        return LettuceRedisChatMemoryRepository.builder()
-                .host(redisHost)
-                .port(redisPort)
-                .password(redisPassword)
-                .timeout(redisTimeout)
+    public ChatMemory chatMemory() {
+        return MessageWindowChatMemory.builder()
+                .maxMessages(50)
+                .chatMemoryRepository(chatMemoryRepository)
                 .build();
     }
 
     @Bean
-    public ChatMemory chatMemory(BaseRedisChatMemoryRepository chatMemoryRepository) {
-        return MessageWindowChatMemory
-                .builder()
-                .maxMessages(100000)
-                .chatMemoryRepository(chatMemoryRepository).build();
+    public SimpleVectorStore simpleVectorStore() {
+        return SimpleVectorStore.builder(dashScopeEmbeddingModel)
+                .build();
     }
 
     @Bean
-    public ChatClient dashScopeChatClient(ChatMemory chatMemory, SendMQMessageTools sendMQMessageTools) {
+    public ChatClient dashScopeChatClient(ChatMemory chatMemory
+    ) {
+        PromptChatMemoryAdvisor chatMemoryAdvisor = PromptChatMemoryAdvisor.builder(chatMemory).build();
+        SimpleLoggerAdvisor simpleLoggerAdvisor = new SimpleLoggerAdvisor();
+        QuestionAnswerAdvisor questionAnswerAdvisor = new QuestionAnswerAdvisor(vectorStore);
         return ChatClient.builder(dashScopeChatModel)
-                .defaultTools(aiDBTools, sendMQMessageTools)
+                .defaultTools(aiDBTools)
                 .defaultSystem(aiAssistantResource)
-                .defaultAdvisors(PromptChatMemoryAdvisor.builder(chatMemory).build())
+                .defaultAdvisors(chatMemoryAdvisor,simpleLoggerAdvisor,questionAnswerAdvisor)
                 .build();
     }
 }

snails-chat/src/main/java/com/hanserwei/chat/config/RabbitMQConfig.java

@@ -1,37 +0,0 @@
-package com.hanserwei.chat.config;
-
-import org.springframework.amqp.core.Binding;
-import org.springframework.amqp.core.BindingBuilder;
-import org.springframework.amqp.core.DirectExchange;
-import org.springframework.amqp.core.Queue;
-import org.springframework.amqp.support.converter.Jackson2JsonMessageConverter;
-import org.springframework.amqp.support.converter.MessageConverter;
-import org.springframework.context.annotation.Bean;
-import org.springframework.context.annotation.Configuration;
-
-@Configuration
-public class RabbitMQConfig {
-
-    @Bean
-    public DirectExchange directExchange() {
-        return new DirectExchange("chat.exchange");
-    }
-
-    @Bean
-    public Queue queue() {
-        return new Queue("chat.queue");
-    }
-
-    @Bean
-    public Binding binding() {
-        return BindingBuilder.bind(queue())
-                .to(directExchange())
-                .with("chat.routing.key");
-    }
-
-    @Bean
-    public MessageConverter messageConverter() {
-        return new Jackson2JsonMessageConverter();
-    }
-
-}

snails-chat/src/main/java/com/hanserwei/chat/config/RedisConfig.java

@@ -1,30 +0,0 @@
-package com.hanserwei.chat.config;
-
-import org.springframework.context.annotation.Bean;
-import org.springframework.context.annotation.Configuration;
-import org.springframework.data.redis.connection.RedisConnectionFactory;
-import org.springframework.data.redis.core.RedisTemplate;
-import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
-import org.springframework.data.redis.serializer.StringRedisSerializer;
-
-@Configuration
-public class RedisConfig {
-    @Bean
-    public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory connectionFactory) {
-        RedisTemplate<String, Object> redisTemplate = new RedisTemplate<>();
-        // 设置 RedisTemplate 的连接工厂
-        redisTemplate.setConnectionFactory(connectionFactory);
-
-        // 使用 StringRedisSerializer 来序列化和反序列化 redis 的 key 值，确保 key 是可读的字符串
-        redisTemplate.setKeySerializer(new StringRedisSerializer());
-        redisTemplate.setHashKeySerializer(new StringRedisSerializer());
-
-        // 使用 Jackson2JsonRedisSerializer 来序列化和反序列化 redis 的 value 值, 确保存储的是 JSON 格式
-        Jackson2JsonRedisSerializer<Object> serializer = new Jackson2JsonRedisSerializer<>(Object.class);
-        redisTemplate.setValueSerializer(serializer);
-        redisTemplate.setHashValueSerializer(serializer);
-
-        redisTemplate.afterPropertiesSet();
-        return redisTemplate;
-    }
-}

snails-chat/src/main/java/com/hanserwei/chat/config/cos/CosConfig.java

@@ -0,0 +1,48 @@
+package com.hanserwei.chat.config.cos;
+
+import com.qcloud.cos.COSClient;
+import com.qcloud.cos.ClientConfig;
+import com.qcloud.cos.auth.BasicCOSCredentials;
+import com.qcloud.cos.auth.COSCredentials;
+import com.qcloud.cos.endpoint.EndpointBuilder;
+import com.qcloud.cos.region.Region;
+import jakarta.annotation.Resource;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class CosConfig {
+
+    @Resource
+    private CosProperties cosProperties;
+
+    @Bean
+    public COSClient cosClient() {
+        // 1. 初始化用户身份信息（SecretId, SecretKey）
+        COSCredentials cred = new BasicCOSCredentials(
+                cosProperties.getSecretId(),
+                cosProperties.getSecretKey()
+        );
+
+        // 2. 设置 bucket 的地域
+        Region region = new Region(cosProperties.getRegion());
+        ClientConfig clientConfig = new ClientConfig(region);
+        if (cosProperties.getEndpoint() != null && !cosProperties.getEndpoint().isEmpty()) {
+            clientConfig.setEndpointBuilder(new EndpointBuilder() {
+                @Override
+                public String buildGeneralApiEndpoint(String bucketName) {
+                    // 所有 API 请求都会使用自定义域名
+                    return cosProperties.getEndpoint();
+                }
+
+                @Override
+                public String buildGetServiceApiEndpoint() {
+                    return cosProperties.getEndpoint();
+                }
+            });
+        }
+
+        // 3. 构建 COSClient
+        return new COSClient(cred, clientConfig);
+    }
+}

snails-chat/src/main/java/com/hanserwei/chat/config/cos/CosProperties.java

@@ -0,0 +1,16 @@
+package com.hanserwei.chat.config.cos;
+
+import lombok.Data;
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.stereotype.Component;
+
+@Component
+@Data
+@ConfigurationProperties(prefix = "storage.cos")
+public class CosProperties {
+    private String endpoint;
+    private String secretId;
+    private String secretKey;
+    private String appId;
+    private String region;
+}

snails-chat/src/main/java/com/hanserwei/chat/consumer/RabbitMQConsumer.java

@@ -1,47 +0,0 @@
-package com.hanserwei.chat.consumer;
-
-import jakarta.annotation.Resource;
-import lombok.extern.slf4j.Slf4j;
-import org.springframework.amqp.core.Message;
-import org.springframework.amqp.rabbit.annotation.RabbitListener;
-import org.springframework.mail.SimpleMailMessage;
-import org.springframework.mail.javamail.JavaMailSender;
-import org.springframework.stereotype.Component;
-
-import java.nio.charset.StandardCharsets;
-
-@Slf4j
-@Component
-public class RabbitMQConsumer {
-
-    @Resource
-    private JavaMailSender mailSender;
-
-    @RabbitListener(queues = "chat.queue")
-    public void receiveMessage(Object message) {
-        String messageText = extractMessage(message);
-        log.info("Received message text:\n{}", messageText);
-        SimpleMailMessage mailMessage = new SimpleMailMessage();
-        // 配置发送者邮箱
-        mailMessage.setFrom("2628273921@qq.com");
-        // 配置接受者邮箱
-        mailMessage.setTo("ssw010723@gmail.com");
-        // 配置邮件主题
-        mailMessage.setSubject("主题：及时联系客户");
-        // 配置邮件内容
-        mailMessage.setText(messageText);
-        // 发送邮件
-        mailSender.send(mailMessage);
-    }
-
-    private String extractMessage(Object message) {
-        return switch (message) {
-            case null -> "";
-            case String str -> str;
-            case byte[] body -> new String(body, StandardCharsets.UTF_8);
-            case Message amqpMessage -> new String(amqpMessage.getBody(), StandardCharsets.UTF_8);
-            default -> String.valueOf(message);
-        };
-
-    }
-}

snails-chat/src/main/java/com/hanserwei/chat/controller/AiChatController.java

@@ -2,21 +2,25 @@ package com.hanserwei.chat.controller;
 
 import com.hanserwei.chat.model.dto.ChatMessageDTO;
 import com.hanserwei.chat.model.vo.AIResponse;
-import com.hanserwei.chat.tools.SendMQMessageTools;
 import com.hanserwei.chat.utils.ConversationContext;
 import jakarta.annotation.Resource;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.ai.chat.client.ChatClient;
 import org.springframework.ai.chat.memory.ChatMemory;
+import org.springframework.ai.chat.messages.UserMessage;
+import org.springframework.ai.chat.prompt.Prompt;
+import org.springframework.ai.content.Media;
 import org.springframework.http.MediaType;
+import org.springframework.util.MimeTypeUtils;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import reactor.core.publisher.Flux;
 
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
+import java.net.URI;
+import java.util.List;
+import java.util.Objects;
 
 @Slf4j
 @RestController
@@ -25,19 +29,25 @@ public class AiChatController {
 
     @Resource
     private ChatClient dashScopeChatClient;
-    @Resource
-    private SendMQMessageTools sendMQMessageTools;
-
-    private static final Pattern PHONE_PATTERN = Pattern.compile("(?<!\\d)(1[3-9]\\d{9})(?!\\d)");
 
     @PostMapping(path = "/chat", produces = MediaType.TEXT_EVENT_STREAM_VALUE)
     public Flux<AIResponse> chatWithAi(@RequestBody ChatMessageDTO chatMessageDTO) {
         log.info("会话ID：{}", chatMessageDTO.getConversionId());
         ConversationContext.setConversationId(chatMessageDTO.getConversionId());
-        triggerSendMessageIfPhonePresent(chatMessageDTO);
-
-        return dashScopeChatClient.prompt()
-                .user(chatMessageDTO.getMessage())
+        Media media;
+        UserMessage userMessage;
+        if (Objects.nonNull(chatMessageDTO.getImage())) {
+            media = new Media(MimeTypeUtils.IMAGE_PNG, URI.create(chatMessageDTO.getImage()));
+            userMessage = UserMessage.builder()
+                    .media(media)
+                    .text(chatMessageDTO.getMessage())
+                    .build();
+        } else {
+            userMessage = UserMessage.builder()
+                    .text(chatMessageDTO.getMessage())
+                    .build();
+        }
+        return dashScopeChatClient.prompt(new Prompt(List.of(userMessage)))
                 .advisors(p -> p.param(ChatMemory.CONVERSATION_ID, chatMessageDTO.getConversionId()))
                 .stream()
                 .chatResponse()
@@ -47,22 +57,4 @@ public class AiChatController {
                 .contextWrite(ctx -> ConversationContext.withConversationId(chatMessageDTO.getConversionId()))
                 .doFinally(signalType -> ConversationContext.clear());
     }
-
-    private void triggerSendMessageIfPhonePresent(ChatMessageDTO chatMessageDTO) {
-        String message = chatMessageDTO.getMessage();
-        if (message == null || message.isEmpty()) {
-            return;
-        }
-
-        Matcher matcher = PHONE_PATTERN.matcher(message);
-        if (!matcher.find()) {
-            return;
-        }
-
-        String phoneNumber = matcher.group(1);
-        log.info("检测到手机号：{}，会话ID：{}", phoneNumber, chatMessageDTO.getConversionId());
-        sendMQMessageTools.sendMQMessage(phoneNumber)
-                .doOnError(error -> log.error("触发发送消息工具失败，手机号：{}，错误：{}", phoneNumber, error.getMessage(), error))
-                .subscribe(result -> log.info("已触发发送消息工具，手机号：{}，结果：{}", phoneNumber, result));
-    }
 }

snails-chat/src/main/java/com/hanserwei/chat/controller/DocumentController.java

@@ -0,0 +1,29 @@
+package com.hanserwei.chat.controller;
+
+import com.hanserwei.chat.model.vo.DocumentUploadResponse;
+import com.hanserwei.chat.service.DocumentIngestionService;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.multipart.MultipartFile;
+
+@Slf4j
+@RestController
+@RequestMapping("/documents")
+@RequiredArgsConstructor
+public class DocumentController {
+
+    private final DocumentIngestionService documentIngestionService;
+
+    @PostMapping(value = "/upload", consumes = MediaType.MULTIPART_FORM_DATA_VALUE)
+    public ResponseEntity<DocumentUploadResponse> upload(@RequestParam("file") MultipartFile file) {
+        String result = documentIngestionService.ingest(file);
+        log.info("文件 {} 上传成功。", file.getOriginalFilename());
+        return ResponseEntity.ok(new DocumentUploadResponse(file.getOriginalFilename(), result));
+    }
+}

snails-chat/src/main/java/com/hanserwei/chat/model/dto/ChatMessageDTO.java

@@ -5,6 +5,8 @@ import lombok.Builder;
 import lombok.Data;
 import lombok.NoArgsConstructor;
 
+import java.util.List;
+
 @Data
 @AllArgsConstructor
 @NoArgsConstructor
@@ -13,5 +15,7 @@ public class ChatMessageDTO {
 
     private String message;
 
+    private String image;
+
     private Long conversionId;
 }

snails-chat/src/main/java/com/hanserwei/chat/model/vo/DocumentUploadResponse.java

@@ -0,0 +1,4 @@
+package com.hanserwei.chat.model.vo;
+
+public record DocumentUploadResponse(String filename, String message) {
+}

snails-chat/src/main/java/com/hanserwei/chat/publisher/RabbitMQPublisher.java

@@ -1,29 +0,0 @@
-package com.hanserwei.chat.publisher;
-
-import jakarta.annotation.Resource;
-import lombok.extern.slf4j.Slf4j;
-import org.springframework.amqp.rabbit.core.RabbitTemplate;
-import org.springframework.stereotype.Component;
-
-@Slf4j
-@Component
-public class RabbitMQPublisher {
-
-    @Resource
-    private RabbitTemplate rabbitTemplate;
-
-    /**
-     * 发送消息
-     *
-     * @param exchange   交换机
-     * @param routingKey 路由键
-     * @param message    消息
-     */
-    public void send(String exchange, String routingKey, Object message) {
-        try {
-            rabbitTemplate.convertAndSend(exchange, routingKey, message);
-        } catch (Exception e) {
-            log.error("RabbitMQ发送消息失败：{}", e.getMessage());
-        }
-    }
-}

snails-chat/src/main/java/com/hanserwei/chat/reader/DocumentParser.java

@@ -0,0 +1,59 @@
+package com.hanserwei.chat.reader;
+
+import org.springframework.ai.document.Document;
+import org.springframework.lang.Nullable;
+import org.springframework.web.multipart.MultipartFile;
+
+import java.util.List;
+
+/**
+ * 将上传文件转换为Spring AI {@link Document}实例的策略接口。
+ */
+public interface DocumentParser {
+
+    /**
+     * 判断此解析器是否可以处理提供的文件。
+     *
+     * @param filename    客户端提供的原始文件名（可能为{@code null}）
+     * @param contentType 从上传中派生的MIME类型（可能为{@code null}）
+     * @return 如果此解析器应该处理该文件则返回{@code true}
+     */
+    boolean supports(@Nullable String filename, @Nullable String contentType);
+
+    /**
+     * 将文件解析为Spring AI文档。
+     *
+     * @param file 多部分上传载荷
+     * @return 解析后的文档列表
+     */
+    List<Document> parse(MultipartFile file);
+
+    default boolean hasExtension(@Nullable String filename, String... extensions) {
+        if (filename == null) {
+            return false;
+        }
+        int index = filename.lastIndexOf('.');
+        if (index < 0 || index == filename.length() - 1) {
+            return false;
+        }
+        String actualExtension = filename.substring(index + 1);
+        for (String extension : extensions) {
+            if (actualExtension.equalsIgnoreCase(extension)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    default boolean matchesContentType(@Nullable String contentType, String... supportedContentTypes) {
+        if (contentType == null) {
+            return false;
+        }
+        for (String supportedContentType : supportedContentTypes) {
+            if (contentType.equalsIgnoreCase(supportedContentType)) {
+                return true;
+            }
+        }
+        return false;
+    }
+}

snails-chat/src/main/java/com/hanserwei/chat/reader/MultipartFileResource.java

@@ -0,0 +1,36 @@
+package com.hanserwei.chat.reader;
+
+import org.springframework.core.io.ByteArrayResource;
+import org.springframework.web.multipart.MultipartFile;
+
+import java.io.IOException;
+import java.io.UncheckedIOException;
+import java.util.Objects;
+
+/**
+ * 简单的 {@link ByteArrayResource}，用于保留多部分文件的文件名。
+ */
+final class MultipartFileResource extends ByteArrayResource {
+
+    private final String filename;
+
+    private MultipartFileResource(byte[] byteArray, String filename) {
+        super(byteArray);
+        this.filename = filename;
+    }
+
+    static MultipartFileResource of(MultipartFile file) {
+        try {
+            String originalFilename = Objects.requireNonNullElse(file.getOriginalFilename(), "upload");
+            return new MultipartFileResource(file.getBytes(), originalFilename);
+        }
+        catch (IOException ex) {
+            throw new UncheckedIOException("读取多部分文件内容失败", ex);
+        }
+    }
+
+    @Override
+    public String getFilename() {
+        return filename;
+    }
+}

snails-chat/src/main/java/com/hanserwei/chat/reader/MyHtmlReader.java

@@ -0,0 +1,38 @@
+package com.hanserwei.chat.reader;
+
+import org.springframework.ai.document.Document;
+import org.springframework.ai.reader.jsoup.JsoupDocumentReader;
+import org.springframework.ai.reader.jsoup.config.JsoupDocumentReaderConfig;
+import org.springframework.stereotype.Component;
+import org.springframework.web.multipart.MultipartFile;
+
+import java.util.List;
+import java.util.Objects;
+
+@Component
+public class MyHtmlReader implements DocumentParser {
+
+    @Override
+    public List<Document> parse(MultipartFile file) {
+        // JsoupDocumentReader 阅读器配置类
+        JsoupDocumentReaderConfig config = JsoupDocumentReaderConfig.builder()
+                .selector("article p") // 提取 <article> 标签内的 p 段落
+                .charset("UTF-8") // 使用 UTF-8 编码
+                .includeLinkUrls(true) // 在元数据中包含链接 URL（绝对链接）
+                .metadataTags(List.of("author", "date")) // 提取 author 和 date 元标签
+                .additionalMetadata("source", Objects.requireNonNull(file.getOriginalFilename())) // 添加自定义元数据
+                .build();
+
+        // 新建 JsoupDocumentReader 阅读器
+        JsoupDocumentReader reader = new JsoupDocumentReader(MultipartFileResource.of(file), config);
+
+        // 读取并转换为 Document 文档集合
+        return reader.get();
+    }
+
+    @Override
+    public boolean supports(String filename, String contentType) {
+        return hasExtension(filename, "html", "htm") ||
+                matchesContentType(contentType, "text/html", "application/xhtml+xml");
+    }
+}

snails-chat/src/main/java/com/hanserwei/chat/reader/MyJsonReader.java

@@ -0,0 +1,29 @@
+package com.hanserwei.chat.reader;
+
+import org.springframework.ai.document.Document;
+import org.springframework.ai.reader.JsonReader;
+import org.springframework.stereotype.Component;
+import org.springframework.web.multipart.MultipartFile;
+
+import java.util.List;
+
+@Component
+public class MyJsonReader implements DocumentParser {
+
+    /**
+     * 读取 Json 文件
+     * @return
+     */
+    @Override
+    public List<Document> parse(MultipartFile file) {
+        // 创建 JsonReader 阅读器实例，配置需要读取的字段
+        JsonReader jsonReader = new JsonReader(MultipartFileResource.of(file), "description", "content", "title");
+        // 执行读取操作，并转换为 Document 对象集合
+        return jsonReader.get();
+    }
+
+    @Override
+    public boolean supports(String filename, String contentType) {
+        return hasExtension(filename, "json") || matchesContentType(contentType, "application/json");
+    }
+}

snails-chat/src/main/java/com/hanserwei/chat/reader/MyMarkdownReader.java

@@ -0,0 +1,37 @@
+package com.hanserwei.chat.reader;
+
+import org.springframework.ai.document.Document;
+import org.springframework.ai.reader.markdown.MarkdownDocumentReader;
+import org.springframework.ai.reader.markdown.config.MarkdownDocumentReaderConfig;
+import org.springframework.stereotype.Component;
+import org.springframework.web.multipart.MultipartFile;
+
+import java.util.List;
+import java.util.Objects;
+
+@Component
+public class MyMarkdownReader implements DocumentParser {
+
+    @Override
+    public List<Document> parse(MultipartFile file) {
+        // MarkdownDocumentReader 阅读器配置类
+        MarkdownDocumentReaderConfig config = MarkdownDocumentReaderConfig.builder()
+                .withHorizontalRuleCreateDocument(true) // 遇到水平线 ---，则创建新文档
+                .withIncludeCodeBlock(false) // 排除代码块（代码块生成单独文档）
+                .withIncludeBlockquote(false) // 排除块引用（块引用生成单独文档）
+                .withAdditionalMetadata("filename", Objects.requireNonNull(file.getOriginalFilename())) // 添加自定义元数据，如文件名称
+                .build();
+
+        // 新建 MarkdownDocumentReader 阅读器
+        MarkdownDocumentReader reader = new MarkdownDocumentReader(MultipartFileResource.of(file), config);
+        
+        // 读取并转换为 Document 文档集合
+        return reader.get();
+    }
+
+    @Override
+    public boolean supports(String filename, String contentType) {
+        return hasExtension(filename, "md", "markdown") ||
+                matchesContentType(contentType, "text/markdown", "text/x-markdown");
+    }
+}

snails-chat/src/main/java/com/hanserwei/chat/reader/MyPdfReader.java

@@ -0,0 +1,34 @@
+package com.hanserwei.chat.reader;
+
+import org.springframework.ai.document.Document;
+import org.springframework.ai.reader.ExtractedTextFormatter;
+import org.springframework.ai.reader.pdf.PagePdfDocumentReader;
+import org.springframework.ai.reader.pdf.config.PdfDocumentReaderConfig;
+import org.springframework.stereotype.Component;
+import org.springframework.web.multipart.MultipartFile;
+
+import java.util.List;
+
+@Component
+public class MyPdfReader implements DocumentParser {
+
+    @Override
+    public List<Document> parse(MultipartFile file) {
+        PagePdfDocumentReader pdfReader = new PagePdfDocumentReader(
+                MultipartFileResource.of(file),
+                PdfDocumentReaderConfig.builder()
+                        .withPageTopMargin(0)
+                        .withPageExtractedTextFormatter(ExtractedTextFormatter.builder()
+                                .withNumberOfTopTextLinesToDelete(0)
+                                .build())
+                        .withPagesPerDocument(1)
+                        .build());
+
+        return pdfReader.read();
+    }
+
+    @Override
+    public boolean supports(String filename, String contentType) {
+        return hasExtension(filename, "pdf") || matchesContentType(contentType, "application/pdf");
+    }
+}

snails-chat/src/main/java/com/hanserwei/chat/reader/MyTextReader.java

@@ -0,0 +1,28 @@
+package com.hanserwei.chat.reader;
+
+import org.springframework.ai.document.Document;
+import org.springframework.ai.reader.TextReader;
+import org.springframework.stereotype.Component;
+import org.springframework.web.multipart.MultipartFile;
+
+import java.util.List;
+
+@Component
+public class MyTextReader implements DocumentParser {
+
+    /**
+     * 读取 Txt 文档
+     * @return 读取的文档集合
+     */
+    @Override
+    public List<Document> parse(MultipartFile file) {
+        TextReader textReader = new TextReader(MultipartFileResource.of(file));
+        textReader.getCustomMetadata().put("filename", file.getOriginalFilename());
+        return textReader.read();
+    }
+
+    @Override
+    public boolean supports(String filename, String contentType) {
+        return hasExtension(filename, "txt") || matchesContentType(contentType, "text/plain");
+    }
+}

snails-chat/src/main/java/com/hanserwei/chat/reader/MyTikaPptReader.java

@@ -0,0 +1,34 @@
+package com.hanserwei.chat.reader;
+
+import org.springframework.ai.document.Document;
+import org.springframework.ai.reader.tika.TikaDocumentReader;
+import org.springframework.ai.transformer.splitter.TokenTextSplitter;
+import org.springframework.stereotype.Component;
+import org.springframework.web.multipart.MultipartFile;
+
+import java.util.List;
+
+@Component
+public class MyTikaPptReader implements DocumentParser {
+
+    @Override
+    public List<Document> parse(MultipartFile file) {
+        // 新建 TikaDocumentReader 阅读器
+        TikaDocumentReader tikaDocumentReader = new TikaDocumentReader(MultipartFileResource.of(file));
+        // 读取并转换为 Document 文档集合
+        List<Document> documents = tikaDocumentReader.get();
+
+        // 文档分块
+        // 使用自定义设置
+        TokenTextSplitter splitter = new TokenTextSplitter(1000, 400, 10, 5000, true);
+        return splitter.apply(documents);
+    }
+
+    @Override
+    public boolean supports(String filename, String contentType) {
+        return hasExtension(filename, "ppt", "pptx") ||
+                matchesContentType(contentType,
+                        "application/vnd.ms-powerpoint",
+                        "application/vnd.openxmlformats-officedocument.presentationml.presentation");
+    }
+}

snails-chat/src/main/java/com/hanserwei/chat/reader/MyTikaWordReader.java

@@ -0,0 +1,33 @@
+package com.hanserwei.chat.reader;
+
+import org.springframework.ai.document.Document;
+import org.springframework.ai.reader.tika.TikaDocumentReader;
+import org.springframework.ai.transformer.splitter.TokenTextSplitter;
+import org.springframework.stereotype.Component;
+import org.springframework.web.multipart.MultipartFile;
+
+import java.util.List;
+
+@Component
+public class MyTikaWordReader implements DocumentParser {
+
+    @Override
+    public List<Document> parse(MultipartFile file) {
+        // 新建 TikaDocumentReader 阅读器
+        TikaDocumentReader tikaDocumentReader = new TikaDocumentReader(MultipartFileResource.of(file));
+        // 读取并转换为 Document 文档集合
+        List<Document> documents = tikaDocumentReader.get();
+
+        // 文档分块
+        TokenTextSplitter splitter = new TokenTextSplitter(); // 不设置任何构造参数，表示使用默认设置
+        return splitter.apply(documents);
+    }
+
+    @Override
+    public boolean supports(String filename, String contentType) {
+        return hasExtension(filename, "doc", "docx") ||
+                matchesContentType(contentType,
+                        "application/msword",
+                        "application/vnd.openxmlformats-officedocument.wordprocessingml.document");
+    }
+}

snails-chat/src/main/java/com/hanserwei/chat/service/DocumentIngestionService.java

@@ -0,0 +1,8 @@
+package com.hanserwei.chat.service;
+
+import org.springframework.web.multipart.MultipartFile;
+
+public interface DocumentIngestionService {
+
+    String ingest(MultipartFile file);
+}

snails-chat/src/main/java/com/hanserwei/chat/service/impl/DocumentIngestionServiceImpl.java

@@ -0,0 +1,111 @@
+package com.hanserwei.chat.service.impl;
+
+import cn.hutool.core.io.FileUtil;
+import com.hanserwei.chat.config.cos.CosProperties;
+import com.hanserwei.chat.reader.DocumentParser;
+import com.hanserwei.chat.service.DocumentIngestionService;
+import com.qcloud.cos.COSClient;
+import com.qcloud.cos.model.ObjectMetadata;
+import jakarta.annotation.Resource;
+import lombok.SneakyThrows;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.ai.document.Document;
+import org.springframework.ai.vectorstore.VectorStore;
+import org.springframework.stereotype.Service;
+import org.springframework.web.multipart.MultipartFile;
+
+import java.io.InputStream;
+import java.util.List;
+import java.util.Objects;
+import java.util.UUID;
+
+@Slf4j
+@Service
+
+public class DocumentIngestionServiceImpl implements DocumentIngestionService {
+
+    @Resource
+    private  List<DocumentParser> documentParsers;
+    @Resource
+    private  VectorStore vectorStore;
+    @Resource
+    private COSClient cosClient;
+    @Resource
+    private CosProperties cosProperties;
+
+    @Override
+    public String ingest(MultipartFile file) {
+        if (file == null || file.isEmpty()) {
+            throw new IllegalArgumentException("上传文件不能为空");
+        }
+
+        // 如果是图片，则不进行向量化，选择上传到图片存储桶
+        String originalFilename = file.getOriginalFilename();
+        String extName = Objects.requireNonNull(FileUtil.extName(originalFilename)).toLowerCase();
+
+        // 判断是否为图片类型
+        boolean isImage = extName.matches("jpg|jpeg|png|gif|bmp|webp");
+        if (isImage) {
+            log.info("上传文件 {} 为图片，不进行向量化。", originalFilename);
+            return uploadFile(file);
+        }
+
+
+        DocumentParser parser = documentParsers.stream()
+                .filter(candidate -> candidate.supports(originalFilename, file.getContentType()))
+                .findFirst()
+                .orElseThrow(() -> new IllegalArgumentException("不支持的文件类型：" + originalFilename));
+
+        List<Document> documents = parser.parse(file);
+        if (documents.isEmpty()) {
+            log.warn("文件 {} 解析后未生成任何文档，跳过入库。", originalFilename);
+            return "";
+        }
+
+        vectorStore.add(documents);
+        log.info("文件 {} 入库成功，共写入 {} 条向量。", originalFilename, documents.size());
+        return documents.size() + "";
+    }
+
+    @SneakyThrows
+    public String uploadFile(MultipartFile file) {
+        log.info("## 上传文件至腾讯云Cos ...");
+
+        // 判断文件是否为空
+        if (file == null || file.getSize() == 0) {
+            log.error("==> 上传文件异常：文件大小为空 ...");
+            throw new RuntimeException("文件大小不能为空");
+        }
+
+        // 文件的原始名称
+        String originalFileName = file.getOriginalFilename();
+
+        // 生成存储对象的名称（将 UUID 字符串中的 - 替换成空字符串）
+        String key = UUID.randomUUID().toString().replace("-", "");
+        // 获取文件的后缀，如 .jpg
+        String suffix = null;
+        if (originalFileName != null) {
+            suffix = originalFileName.substring(originalFileName.lastIndexOf("."));
+        }
+
+        // 拼接上文件后缀，即为要存储的文件名
+        String objectName = String.format("%s%s", key, suffix);
+
+        log.info("==> 开始上传文件至腾讯云Cos, ObjectName: {}", objectName);
+
+        // 设置元数据
+        ObjectMetadata metadata = new ObjectMetadata();
+        metadata.setContentLength(file.getSize());
+        metadata.setContentType(file.getContentType());
+
+        // 执行上传
+        try (InputStream inputStream = file.getInputStream()) {
+            cosClient.putObject("snails-ai-1308845726", objectName, inputStream, metadata);
+        }
+
+        // 返回文件的访问链接
+        String url = String.format("https://%s/%s", cosProperties.getEndpoint(), objectName);
+        log.info("==> 上传文件至腾讯云 Cos 成功，访问路径: {}", url);
+        return url;
+    }
+}

snails-chat/src/main/java/com/hanserwei/chat/tools/SendMQMessageTools.java

@@ -1,105 +0,0 @@
-package com.hanserwei.chat.tools;
-
-import com.hanserwei.chat.publisher.RabbitMQPublisher;
-import com.hanserwei.chat.utils.ConversationContext;
-import jakarta.annotation.Resource;
-import lombok.extern.slf4j.Slf4j;
-import org.springframework.ai.chat.memory.ChatMemory;
-import org.springframework.ai.chat.messages.AbstractMessage;
-import org.springframework.ai.chat.messages.Message;
-import org.springframework.ai.chat.messages.MessageType;
-import org.springframework.ai.tool.annotation.Tool;
-import org.springframework.ai.tool.annotation.ToolParam;
-import org.springframework.stereotype.Component;
-import reactor.core.publisher.Mono;
-
-import java.util.List;
-import java.util.Objects;
-import java.util.stream.Collectors;
-
-@Slf4j
-@Component
-public class SendMQMessageTools {
-
-    @Resource
-    private RabbitMQPublisher rabbitMQPublisher;
-    @Resource
-    private ChatMemory chatMemory;
-
-    private static final int HISTORY_LIMIT = 10;
-
-    /**
-     * 发送RabbitMQ消息
-     *
-     * @param phoneNumber 手机号码
-     */
-    @Tool(name = "SendMessage", 
-          description = "当用户留下手机号码时，立即调用此工具发送消息通知管理员。手机号码应该是11位数字。")
-    public Mono<String> sendMQMessage(
-            @ToolParam(description = "用户提供的手机号码，必须是11位数字") String phoneNumber
-    ) {
-        return ConversationContext.getConversationIdMono()
-                .defaultIfEmpty(ConversationContext.getConversationId())
-                .map(conversationId -> {
-                    String exchange = "chat.exchange";
-                    String routingKey = "chat.routing.key";
-                    String recentConversation = buildRecentConversation(conversationId);
-                    String message = "用户留了手机号：" + phoneNumber + "，会话ID：" + conversationId + recentConversation;
-                    
-                    log.info("SendMQMessageTools 发送消息: {}", message);
-                    rabbitMQPublisher.send(exchange, routingKey, message);
-                    
-                    // 确保日志能被记录
-                    log.info("SendMQMessageTools 消息发送完成");
-                    return "消息发送成功";
-                });
-    }
-
-    private String buildRecentConversation(Long conversationId) {
-        if (conversationId == null) {
-            return "。最近对话：暂无记录";
-        }
-
-        List<Message> history = null;
-        try {
-            history = chatMemory.get(String.valueOf(conversationId));
-        } catch (Exception ex) {
-            log.warn("获取会话{}历史记录失败: {}", conversationId, ex.getMessage(), ex);
-        }
-
-        if (history == null || history.isEmpty()) {
-            return "。最近对话：暂无记录";
-        }
-
-        int skip = Math.max(0, history.size() - HISTORY_LIMIT);
-        String recent = history.stream()
-                .skip(skip)
-                .map(SendMQMessageTools::formatMessage)
-                .filter(Objects::nonNull)
-                .collect(Collectors.joining("\n"));
-
-        if (recent.isEmpty()) {
-            return "。最近对话：暂无记录";
-        }
-
-        return "。最近对话：\n" + recent;
-    }
-
-    private static String formatMessage(Message message) {
-        if (message == null) {
-            return null;
-        }
-
-        MessageType messageType = message.getMessageType();
-        String role = messageType != null ? messageType.name() : "UNKNOWN";
-        String text = (message instanceof AbstractMessage abstractMessage)
-                ? abstractMessage.getText()
-                : message.toString();
-
-        if (text == null || text.isBlank()) {
-            return null;
-        }
-
-        return role + ": " + text.strip();
-    }
-}

snails-chat/src/main/resources/config/application.yml

@@ -5,22 +5,21 @@ server:
       charset: utf-8
       force: true
 spring:
+  servlet:
+    multipart:
+      max-file-size: 20MB
+      max-request-size: 100MB
   application:
     name: snails-ai
   banner:
     location: config/banner.txt
+  cassandra:
+    contact-points: 127.0.0.1 # Cassandra 集群节点地址（可配置多个，用逗号分隔）
+    port: 9042 # 端口号
+    local-datacenter: datacenter1 # 必须与集群配置的数据中心名称一致（大小写敏感）
   jackson:
     serialization:
       write-dates-as-timestamps: false
-  mail:
-    host: ${MAIL_HOST:smtp.qq.com}
-    port: ${MAIL_PORT:587}
-    username: ${MAIL_USERNAME:2628273921@qq.com}
-    password: ENC(ARrAyZNZhbaG6tebogv6WSQbtCO+Vq93NfSA6tMAiD0tTogujERVwEGBECakH0LUhYq9oTaXgfw7tonxNAFEwg==)
-    properties:
-      mail.smtp.auth: true
-      mail.smtp.starttls.enable: true
-      mail.smtp.starttls.required: true
   data:
     redis:
       host: localhost
@@ -35,15 +34,6 @@ spring:
           max-wait: 10000
           min-idle: 10
           time-between-eviction-runs: 10000
-  rabbitmq:
-    host: localhost
-    port: 5672
-    username: admin
-    password: admin123
-    virtual-host: /snailsAi
-    listener:
-      simple:
-        prefetch: 1
   datasource:
     driver-class-name: org.postgresql.Driver
     url: jdbc:postgresql://localhost:5432/postgres?serverTimezone=Asia/Shanghai
@@ -56,18 +46,32 @@ spring:
       connection-timeout: 5000    # 获取连接超时 5 秒
       max-lifetime: 28800000      # 8 小时（确保在数据库连接超时前被回收）
   ai:
-    memory:
-      redis:
-        host: localhost
-        port: 6379
-        timeout: 5000
-        password: redis
+    vectorstore:
+      pgvector:
+        initialize-schema: true
+        table-name: snails_ai_vector
+        index-type: hnsw
+        dimensions: 1024
+    chat:
+      memory:
+        repository:
+          cassandra:
+            keyspace: snails_ai
+            table: t_ai_chat_memory # 表名
+            time-to-live: 1095d # 数据的自动过期时间（1095天 ≈ 3年）
+            initialize-schema: true  # 自动初始化表结构
     dashscope:
       api-key: ENC(cMgcKZkFllyE88DIbGwLKot9Vg02co+gsmY8L8o4/o3UjhcmqO4lJzFU35Sx0n+qFG8pDL0wBjoWrT8X6BuRw9vNlQhY1LgRWHaF9S1zzyM=)
       chat:
         options:
-          model: qwen-plus
+          model: qwen3-omni-flash
           temperature: 0.5
+          multi-model: true
+      embedding:
+        options:
+          model: text-embedding-v4
+          dimensions: 1024
+      read-timeout: 60000
 mybatis-plus:
   configuration:
     map-underscore-to-camel-case: true
@@ -85,3 +89,10 @@ jasypt:
     password: ${jasypt.encryptor.password}
     algorithm: PBEWithHMACSHA512AndAES_256
     iv-generator-classname: org.jasypt.iv.RandomIvGenerator
+storage:
+  cos:
+    endpoint: snails-ai-1308845726.cos.ap-chengdu.myqcloud.com
+    appId: 1308845726
+    region: ap-chengdu
+    secretId: ENC(nbQSc/HpYon4HMw0sVHOB/mIkC3Z0r2bZ2ndI/V0GahiBN1Hc3Ki4+CDzch6dn+2AksNzvdazHyoiaozaUIpC9t/QGiAJ7Mdbdwpl6/F6S4=)
+    secretKey: ENC(f6Rkk1rf6DwEYCyW0xV584+fShN7c/fGvWbRdWnp46/MHk/EmOIJ5HHxhT+VtvdM6XXNSIprDmggPCdaOwdmOpdWzpoMnidnTsmSUsRw5NA=)

snails-chat/src/main/resources/prompt/aiAssistant.st

@@ -5,19 +5,7 @@
 公司核心业务： 我们是一家专注于智能家居产品研发与销售的科技公司。
 
 使命： 致力于通过新技术 / 优质服务 / 专业内容提升用户的生活质量/学习效率/工作效率。
+
 ### 📜 **基本指令与约束**
 
 1.  **回答模式：** 始终以**清晰、简洁、礼貌**的方式回答用户的问题。
-2.  **强制性附加句：** 无论你回答了什么问题，在**每个回答的末尾**，你必须**完全、准确地附加**以下这句话：
-    > **"如果想要了解更多信息可以留下电话号码，会有专门的客服人员与您联系。"**
-3.  **手机号识别与工具调用：**
-      * 当用户输入的文本中包含一个**有效的手机号码**时（通常是11位数字，识别时请保持一定的容错性），你必须**立即调用SendMessage工具**，并将手机号作为参数传递。
-      * **给用户的反馈：** 工具调用成功后，给用户回复一个简短的确认信息，例如："感谢您留下手机号码，我们已收到您的信息，专业的客服人员将在24小时内与您联系，请保持手机畅通。"
-
-### 💡 **工作流程示例**
-
-| 步骤 | 用户输入 | AI助手的行为 |
-| :--- | :--- | :--- |
-| **1 (常规问题)** | "你们产品的价格是多少？" | 1. 回答价格信息。 <br> 2. **附加句：** "如果想要了解更多信息可以留下电话号码，会有专门的客服人员与您联系。" |
-| **2 (留号码)** | "好的，这是我的手机号：13800001234" | 1. **识别**到手机号。 <br> 2. **调用工具：** `SendMessage` <br> 3. **回复确认：** "感谢您留下手机号码，我们已收到您的信息，专业的客服人员将在24小时内与您联系，请保持手机畅通。" |
-| **3 (追问)** | "你们的退货政策呢？" | 1. 回答退货政策。 <br> 2. **附加句：** "如果想要了解更多信息可以留下电话号码，会有专门的客服人员与您联系。" |