问答功能优化-初始化表

src/main/java/com/supervision/pdfqaserver/config/MybatisPlusConfig.java

@@ -1,6 +1,7 @@
 package com.supervision.pdfqaserver.config;
 
 import com.baomidou.mybatisplus.annotation.DbType;
+import com.baomidou.mybatisplus.autoconfigure.ConfigurationCustomizer;
 import com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor;
 import com.baomidou.mybatisplus.extension.plugins.inner.PaginationInnerInterceptor;
 import org.springframework.context.annotation.Bean;
@@ -31,6 +32,16 @@ public class MybatisPlusConfig {
         return interceptor;
     }
 
+
+
+    @Bean
+    public ConfigurationCustomizer mybatisConfigurationCustomizer() {
+        return configuration -> {
+            configuration.getTypeHandlerRegistry()
+                    .register(float[].class, new VectorTypeHandler());
+        };
+    }
+
     private PaginationInnerInterceptor paginationInterceptor() {
         PaginationInnerInterceptor paginationInterceptor = new PaginationInnerInterceptor();
         paginationInterceptor.setOverflow(false);

src/main/java/com/supervision/pdfqaserver/config/VectorTypeHandler.java

@@ -0,0 +1,56 @@
+package com.supervision.pdfqaserver.config;
+
+import org.apache.ibatis.type.BaseTypeHandler;
+import org.apache.ibatis.type.JdbcType;
+import org.postgresql.util.PGobject;
+
+import java.sql.*;
+
+public class VectorTypeHandler extends BaseTypeHandler<float[]> {
+
+    @Override
+    public void setNonNullParameter(PreparedStatement ps, int i,
+                                    float[] parameter, JdbcType jdbcType) throws SQLException {
+        // 将float数组转换为PostgreSQL vector格式字符串
+        PGobject vector = new PGobject();
+        vector.setType("vector");
+        vector.setValue(arrayToVectorString(parameter));
+        ps.setObject(i,vector); ;
+    }
+
+    @Override
+    public float[] getNullableResult(ResultSet rs, String columnName) throws SQLException {
+        return vectorStringToArray(rs.getString(columnName));
+    }
+
+    @Override
+    public float[] getNullableResult(ResultSet rs, int columnIndex) throws SQLException {
+        return vectorStringToArray(rs.getString(columnIndex));
+    }
+
+    @Override
+    public float[] getNullableResult(CallableStatement cs, int columnIndex) throws SQLException {
+        return vectorStringToArray(cs.getString(columnIndex));
+    }
+
+    private String arrayToVectorString(float[] array) {
+        StringBuilder sb = new StringBuilder("[");
+        for (int i = 0; i < array.length; i++) {
+            if (i > 0) sb.append(",");
+            sb.append(array[i]);
+        }
+        sb.append("]");
+        return sb.toString();
+    }
+
+    private float[] vectorStringToArray(String vector) {
+        if (vector == null || vector.isEmpty()) return null;
+        String cleaned = vector.replace("[", "").replace("]", "");
+        String[] parts = cleaned.split(",");
+        float[] result = new float[parts.length];
+        for (int i = 0; i < parts.length; i++) {
+            result[i] = Float.parseFloat(parts[i].trim());
+        }
+        return result;
+    }
+}

src/main/java/com/supervision/pdfqaserver/domain/QuestionCategory.java

@@ -0,0 +1,46 @@
+package com.supervision.pdfqaserver.domain;
+
+import com.baomidou.mybatisplus.annotation.*;
+
+import java.io.Serializable;
+import java.time.LocalDateTime;
+import lombok.Data;
+
+/**
+ * 问题分类表
+ * @TableName question_category
+ */
+@TableName(value ="question_category")
+@Data
+public class QuestionCategory implements Serializable {
+    /**
+     * 主键
+     */
+    @TableId
+    private String id;
+
+    /**
+     * 分类名
+     */
+    private String categoryName;
+
+    /**
+     * 父级id
+     */
+    private String parentId;
+
+    /**
+     * 创建时间
+     */
+    @TableField(fill = FieldFill.INSERT)
+    private LocalDateTime createTime;
+
+    /**
+     * 更新时间
+     */
+    @TableField(fill = FieldFill.INSERT_UPDATE)
+    private LocalDateTime updateTime;
+
+    @TableField(exist = false)
+    private static final long serialVersionUID = 1L;
+}

src/main/java/com/supervision/pdfqaserver/domain/QuestionCategoryIntention.java

@@ -0,0 +1,45 @@
+package com.supervision.pdfqaserver.domain;
+
+import com.baomidou.mybatisplus.annotation.*;
+import java.io.Serializable;
+import java.time.LocalDateTime;
+import lombok.Data;
+
+/**
+ * 问题分类意图关联表
+ * @TableName question_category_intention
+ */
+@TableName(value ="question_category_intention")
+@Data
+public class QuestionCategoryIntention implements Serializable {
+    /**
+     * 主键
+     */
+    @TableId
+    private String id;
+
+    /**
+     * 问题分类id
+     */
+    private String categoryId;
+
+    /**
+     * 意图id
+     */
+    private String intentId;
+
+    /**
+     * 创建时间
+     */
+    @TableField(fill = FieldFill.INSERT)
+    private LocalDateTime createTime;
+
+    /**
+     * 更新时间
+     */
+    @TableField(fill = FieldFill.INSERT_UPDATE)
+    private LocalDateTime updateTime;
+
+    @TableField(exist = false)
+    private static final long serialVersionUID = 1L;
+}

src/main/java/com/supervision/pdfqaserver/domain/QuestionHandlerMapping.java

@@ -0,0 +1,46 @@
+package com.supervision.pdfqaserver.domain;
+
+import com.baomidou.mybatisplus.annotation.*;
+
+import java.io.Serializable;
+import java.time.LocalDateTime;
+import lombok.Data;
+
+/**
+ * 问题处理器映射表
+ * @TableName question_handler_mapping
+ */
+@TableName(value ="question_handler_mapping")
+@Data
+public class QuestionHandlerMapping implements Serializable {
+    /**
+     * 主键
+     */
+    @TableId
+    private String id;
+
+    /**
+     * 问题分类id
+     */
+    private String questionCategoryId;
+
+    /**
+     * 处理器
+     */
+    private String handler;
+
+    /**
+     * 创建时间
+     */
+    @TableField(fill = FieldFill.INSERT)
+    private LocalDateTime createTime;
+
+    /**
+     * 更新时间
+     */
+    @TableField(fill = FieldFill.INSERT_UPDATE)
+    private LocalDateTime updateTime;
+
+    @TableField(exist = false)
+    private static final long serialVersionUID = 1L;
+}

src/main/java/com/supervision/pdfqaserver/domain/TextVector.java

@@ -0,0 +1,54 @@
+package com.supervision.pdfqaserver.domain;
+
+import com.baomidou.mybatisplus.annotation.*;
+
+import java.io.Serializable;
+import java.time.LocalDateTime;
+
+import com.supervision.pdfqaserver.config.VectorTypeHandler;
+import lombok.Data;
+
+/**
+ * 文本向量表
+ * @TableName text_vector
+ */
+@TableName(value ="text_vector", autoResultMap = true)
+@Data
+public class TextVector implements Serializable {
+    /**
+     * 主键
+     */
+    @TableId
+    private String id;
+
+    /**
+     * 文本内容
+     */
+    private String content;
+
+    /**
+     * 向量值
+     */
+    @TableField(typeHandler = VectorTypeHandler.class)
+    private float[] embedding;
+
+    /**
+     * 分类id
+     */
+    private String categoryId;
+
+    /**
+     * 创建时间
+     */
+    @TableField(fill = FieldFill.INSERT)
+    private LocalDateTime createTime;
+
+    /**
+     * 更新时间
+     */
+    @TableField(fill = FieldFill.INSERT_UPDATE)
+    private LocalDateTime updateTime;
+
+    @TableField(exist = false)
+    private static final long serialVersionUID = 1L;
+}

src/main/java/com/supervision/pdfqaserver/dto/TextVectorDTO.java

@@ -0,0 +1,31 @@
+package com.supervision.pdfqaserver.dto;
+
+import lombok.Data;
+
+@Data
+public class TextVectorDTO {
+
+    private String id;
+
+
+    private double similarityScore;
+
+    /**
+     * 文本内容
+     */
+    private String content;
+
+
+
+    /**
+     * 分类id
+     */
+    private String categoryId;
+
+
+    /**
+     * 向量值
+     */
+    private float[] embedding;
+
+}

src/main/java/com/supervision/pdfqaserver/mapper/QuestionCategoryIntentionMapper.java

@@ -0,0 +1,18 @@
+package com.supervision.pdfqaserver.mapper;
+
+import com.supervision.pdfqaserver.domain.QuestionCategoryIntention;
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+
+/**
+* @author Administrator
+* @description 针对表【question_category_intention(问题分类意图关联表)】的数据库操作Mapper
+* @createDate 2025-06-13 11:29:01
+* @Entity com.supervision.pdfqaserver.domain.QuestionCategoryIntention
+*/
+public interface QuestionCategoryIntentionMapper extends BaseMapper<QuestionCategoryIntention> {
+
+}
+
+
+
+

src/main/java/com/supervision/pdfqaserver/mapper/QuestionCategoryMapper.java

@@ -0,0 +1,18 @@
+package com.supervision.pdfqaserver.mapper;
+
+import com.supervision.pdfqaserver.domain.QuestionCategory;
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+
+/**
+* @author Administrator
+* @description 针对表【question_category(问题分类表)】的数据库操作Mapper
+* @createDate 2025-06-13 11:29:01
+* @Entity com.supervision.pdfqaserver.domain.QuestionCategory
+*/
+public interface QuestionCategoryMapper extends BaseMapper<QuestionCategory> {
+
+}
+
+
+
+

src/main/java/com/supervision/pdfqaserver/mapper/QuestionHandlerMappingMapper.java

@@ -0,0 +1,18 @@
+package com.supervision.pdfqaserver.mapper;
+
+import com.supervision.pdfqaserver.domain.QuestionHandlerMapping;
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+
+/**
+* @author Administrator
+* @description 针对表【question_handler_mapping(问题处理器映射表)】的数据库操作Mapper
+* @createDate 2025-06-13 11:29:01
+* @Entity com.supervision.pdfqaserver.domain.QuestionHandlerMapping
+*/
+public interface QuestionHandlerMappingMapper extends BaseMapper<QuestionHandlerMapping> {
+
+}
+
+
+
+

src/main/java/com/supervision/pdfqaserver/mapper/TextVectorMapper.java

@@ -0,0 +1,23 @@
+package com.supervision.pdfqaserver.mapper;
+
+import com.supervision.pdfqaserver.domain.TextVector;
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.supervision.pdfqaserver.dto.TextVectorDTO;
+import org.apache.ibatis.annotations.Param;
+
+import java.util.List;
+
+/**
+* @author Administrator
+* @description 针对表【text_vector(文本向量表)】的数据库操作Mapper
+* @createDate 2025-06-11 16:40:57
+* @Entity com.supervision.pdfqaserver.domain.TextVector
+*/
+public interface TextVectorMapper extends BaseMapper<TextVector> {
+
+    List<TextVectorDTO> findSimilarByCosine(@Param("embedding")float[] embedding, @Param("threshold") double threshold, @Param("limit")int limit);
+}
+
+
+
+

src/main/java/com/supervision/pdfqaserver/service/AiCallService.java

@@ -2,6 +2,7 @@ package com.supervision.pdfqaserver.service;
 
 import org.springframework.ai.chat.model.ChatResponse;
 import org.springframework.ai.chat.prompt.Prompt;
+import org.springframework.ai.embedding.Embedding;
 import reactor.core.publisher.Flux;
 
 /**
@@ -14,5 +15,5 @@ public interface AiCallService {
 
     Flux<ChatResponse> stream(Prompt prompt);
 
-    abstract void embedding(String text);
+    Embedding embedding(String text);
 }

src/main/java/com/supervision/pdfqaserver/service/DeepSeekApiImpl.java

@@ -4,6 +4,7 @@ import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.ai.chat.model.ChatResponse;
 import org.springframework.ai.chat.prompt.Prompt;
+import org.springframework.ai.embedding.Embedding;
 import org.springframework.ai.openai.OpenAiChatModel;
 import reactor.core.publisher.Flux;
 import org.springframework.stereotype.Service;
@@ -28,7 +29,8 @@ public class DeepSeekApiImpl  implements AiCallService {
     }
 
     @Override
-    public void embedding(String text) {
+    public Embedding embedding(String text) {
 
+        return null;
     }
 }

src/main/java/com/supervision/pdfqaserver/service/QuestionCategoryIntentionService.java

@@ -0,0 +1,13 @@
+package com.supervision.pdfqaserver.service;
+
+import com.supervision.pdfqaserver.domain.QuestionCategoryIntention;
+import com.baomidou.mybatisplus.extension.service.IService;
+
+/**
+* @author Administrator
+* @description 针对表【question_category_intention(问题分类意图关联表)】的数据库操作Service
+* @createDate 2025-06-13 11:29:01
+*/
+public interface QuestionCategoryIntentionService extends IService<QuestionCategoryIntention> {
+
+}

src/main/java/com/supervision/pdfqaserver/service/QuestionCategoryService.java

@@ -0,0 +1,13 @@
+package com.supervision.pdfqaserver.service;
+
+import com.supervision.pdfqaserver.domain.QuestionCategory;
+import com.baomidou.mybatisplus.extension.service.IService;
+
+/**
+* @author Administrator
+* @description 针对表【question_category(问题分类表)】的数据库操作Service
+* @createDate 2025-06-13 11:29:01
+*/
+public interface QuestionCategoryService extends IService<QuestionCategory> {
+
+}

src/main/java/com/supervision/pdfqaserver/service/QuestionHandlerMappingService.java

@@ -0,0 +1,13 @@
+package com.supervision.pdfqaserver.service;
+
+import com.supervision.pdfqaserver.domain.QuestionHandlerMapping;
+import com.baomidou.mybatisplus.extension.service.IService;
+
+/**
+* @author Administrator
+* @description 针对表【question_handler_mapping(问题处理器映射表)】的数据库操作Service
+* @createDate 2025-06-13 11:29:01
+*/
+public interface QuestionHandlerMappingService extends IService<QuestionHandlerMapping> {
+
+}

src/main/java/com/supervision/pdfqaserver/service/TextVectorService.java

@@ -0,0 +1,18 @@
+package com.supervision.pdfqaserver.service;
+
+import com.supervision.pdfqaserver.domain.TextVector;
+import com.baomidou.mybatisplus.extension.service.IService;
+import com.supervision.pdfqaserver.dto.TextVectorDTO;
+import org.apache.ibatis.annotations.Param;
+
+import java.util.List;
+
+/**
+* @author Administrator
+* @description 针对表【text_vector(文本向量表)】的数据库操作Service
+* @createDate 2025-06-11 16:40:57
+*/
+public interface TextVectorService extends IService<TextVector> {
+
+    List<TextVectorDTO> findSimilarByCosine(float[] embedding, double threshold , int limit);
+}

src/main/java/com/supervision/pdfqaserver/service/impl/OllamaCallServiceImpl.java

@@ -32,12 +32,9 @@ public class OllamaCallServiceImpl implements AiCallService {
         return ollamaChatModel.stream(prompt);
     }
 
-    public void embedding(String text) {
+    public Embedding embedding(String text) {
 
-        EmbeddingResponse embeddingResponse = embeddingModel.call(
+        EmbeddingResponse embeddingResponse = embeddingModel.call(new EmbeddingRequest(List.of(text),null));
-                new EmbeddingRequest(List.of("Hello World", "World is big and salvation is near"),
+        return embeddingResponse.getResult();
-                        OllamaOptions.builder().model("quentinz/bge-large-zh-v1.5:latest").build()));
-        Embedding result = embeddingResponse.getResult();
-        System.out.println(result);
     }
 }

src/main/java/com/supervision/pdfqaserver/service/impl/QuestionCategoryIntentionServiceImpl.java

@@ -0,0 +1,22 @@
+package com.supervision.pdfqaserver.service.impl;
+
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.supervision.pdfqaserver.domain.QuestionCategoryIntention;
+import com.supervision.pdfqaserver.service.QuestionCategoryIntentionService;
+import com.supervision.pdfqaserver.mapper.QuestionCategoryIntentionMapper;
+import org.springframework.stereotype.Service;
+
+/**
+* @author Administrator
+* @description 针对表【question_category_intention(问题分类意图关联表)】的数据库操作Service实现
+* @createDate 2025-06-13 11:29:01
+*/
+@Service
+public class QuestionCategoryIntentionServiceImpl extends ServiceImpl<QuestionCategoryIntentionMapper, QuestionCategoryIntention>
+    implements QuestionCategoryIntentionService{
+
+}
+
+
+
+

src/main/java/com/supervision/pdfqaserver/service/impl/QuestionCategoryServiceImpl.java

@@ -0,0 +1,22 @@
+package com.supervision.pdfqaserver.service.impl;
+
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.supervision.pdfqaserver.domain.QuestionCategory;
+import com.supervision.pdfqaserver.service.QuestionCategoryService;
+import com.supervision.pdfqaserver.mapper.QuestionCategoryMapper;
+import org.springframework.stereotype.Service;
+
+/**
+* @author Administrator
+* @description 针对表【question_category(问题分类表)】的数据库操作Service实现
+* @createDate 2025-06-13 11:29:01
+*/
+@Service
+public class QuestionCategoryServiceImpl extends ServiceImpl<QuestionCategoryMapper, QuestionCategory>
+    implements QuestionCategoryService{
+
+}
+
+
+
+

src/main/java/com/supervision/pdfqaserver/service/impl/QuestionHandlerMappingServiceImpl.java

@@ -0,0 +1,22 @@
+package com.supervision.pdfqaserver.service.impl;
+
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.supervision.pdfqaserver.domain.QuestionHandlerMapping;
+import com.supervision.pdfqaserver.service.QuestionHandlerMappingService;
+import com.supervision.pdfqaserver.mapper.QuestionHandlerMappingMapper;
+import org.springframework.stereotype.Service;
+
+/**
+* @author Administrator
+* @description 针对表【question_handler_mapping(问题处理器映射表)】的数据库操作Service实现
+* @createDate 2025-06-13 11:29:01
+*/
+@Service
+public class QuestionHandlerMappingServiceImpl extends ServiceImpl<QuestionHandlerMappingMapper, QuestionHandlerMapping>
+    implements QuestionHandlerMappingService{
+
+}
+
+
+
+

src/main/java/com/supervision/pdfqaserver/service/impl/TextVectorServiceImpl.java

@@ -0,0 +1,29 @@
+package com.supervision.pdfqaserver.service.impl;
+
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.supervision.pdfqaserver.domain.TextVector;
+import com.supervision.pdfqaserver.dto.TextVectorDTO;
+import com.supervision.pdfqaserver.service.TextVectorService;
+import com.supervision.pdfqaserver.mapper.TextVectorMapper;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+/**
+* @author Administrator
+* @description 针对表【text_vector(文本向量表)】的数据库操作Service实现
+* @createDate 2025-06-11 16:40:57
+*/
+@Service
+public class TextVectorServiceImpl extends ServiceImpl<TextVectorMapper, TextVector>
+    implements TextVectorService{
+
+    @Override
+    public List<TextVectorDTO> findSimilarByCosine(float[] embedding, double threshold , int limit) {
+        return super.getBaseMapper().findSimilarByCosine(embedding, threshold,limit);
+    }
+}
+
+
+
+

src/main/resources/mapper/QuestionCategoryIntentionMapper.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper
+        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
+        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.supervision.pdfqaserver.mapper.QuestionCategoryIntentionMapper">
+
+    <resultMap id="BaseResultMap" type="com.supervision.pdfqaserver.domain.QuestionCategoryIntention">
+            <id property="id" column="id" jdbcType="VARCHAR"/>
+            <result property="categoryId" column="category_id" jdbcType="VARCHAR"/>
+            <result property="intentId" column="intent_id" jdbcType="VARCHAR"/>
+            <result property="createTime" column="create_time" jdbcType="TIMESTAMP"/>
+            <result property="updateTime" column="update_time" jdbcType="TIMESTAMP"/>
+    </resultMap>
+
+    <sql id="Base_Column_List">
+        id,category_id,intent_id,
+        create_time,update_time
+    </sql>
+</mapper>

src/main/resources/mapper/QuestionCategoryMapper.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper
+        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
+        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.supervision.pdfqaserver.mapper.QuestionCategoryMapper">
+
+    <resultMap id="BaseResultMap" type="com.supervision.pdfqaserver.domain.QuestionCategory">
+            <id property="id" column="id" jdbcType="VARCHAR"/>
+            <result property="categoryName" column="category_name" jdbcType="VARCHAR"/>
+            <result property="parentId" column="parent_id" jdbcType="VARCHAR"/>
+            <result property="createTime" column="create_time" jdbcType="TIMESTAMP"/>
+            <result property="updateTime" column="update_time" jdbcType="TIMESTAMP"/>
+    </resultMap>
+
+    <sql id="Base_Column_List">
+        id,category_name,parent_id,
+        create_time,update_time
+    </sql>
+</mapper>

src/main/resources/mapper/QuestionHandlerMappingMapper.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper
+        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
+        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.supervision.pdfqaserver.mapper.QuestionHandlerMappingMapper">
+
+    <resultMap id="BaseResultMap" type="com.supervision.pdfqaserver.domain.QuestionHandlerMapping">
+            <id property="id" column="id" jdbcType="VARCHAR"/>
+            <result property="questionCategoryId" column="question_category_id" jdbcType="VARCHAR"/>
+            <result property="handler" column="handler" jdbcType="VARCHAR"/>
+            <result property="createTime" column="create_time" jdbcType="TIMESTAMP"/>
+            <result property="updateTime" column="update_time" jdbcType="TIMESTAMP"/>
+    </resultMap>
+
+    <sql id="Base_Column_List">
+        id,question_category_id,handler,
+        create_time,update_time
+    </sql>
+</mapper>

src/main/resources/mapper/TextVectorMapper.xml

@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper
+        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
+        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.supervision.pdfqaserver.mapper.TextVectorMapper">
+
+    <resultMap id="BaseResultMap" type="com.supervision.pdfqaserver.domain.TextVector">
+            <result property="id" column="id" jdbcType="VARCHAR"/>
+            <result property="content" column="content" jdbcType="VARCHAR"/>
+            <result property="embedding" column="embedding" jdbcType="OTHER" typeHandler="com.supervision.pdfqaserver.config.VectorTypeHandler"/>
+            <result property="categoryId" column="category_id" jdbcType="VARCHAR"/>
+            <result property="createTime" column="create_time" jdbcType="TIMESTAMP"/>
+            <result property="updateTime" column="update_time" jdbcType="TIMESTAMP"/>
+    </resultMap>
+
+    <sql id="Base_Column_List">
+        id,content,embedding,
+        category_id,create_time,update_time
+    </sql>
+    <select id="findSimilarByCosine" resultType="com.supervision.pdfqaserver.dto.TextVectorDTO">
+        SELECT * FROM (
+        SELECT
+        id,
+        content,
+        embedding,
+        category_id,
+        1 - (embedding <![CDATA[<=>]]> #{embedding, typeHandler=com.supervision.pdfqaserver.config.VectorTypeHandler}) AS similarityScore
+        FROM text_vector
+        ) t
+        WHERE t.similarityScore > #{threshold}
+        ORDER BY t.similarityScore DESC
+        LIMIT #{limit}
+    </select>
+</mapper>

src/test/java/com/supervision/pdfqaserver/PdfQaServerApplicationTests.java

@@ -1,21 +1,23 @@
 package com.supervision.pdfqaserver;
 
+import cn.hutool.core.util.NumberUtil;
 import cn.hutool.core.util.StrUtil;
 import cn.hutool.json.JSONArray;
 import cn.hutool.json.JSONObject;
 import com.supervision.pdfqaserver.constant.DocumentContentTypeEnum;
 import com.supervision.pdfqaserver.domain.PdfAnalysisOutput;
+import com.supervision.pdfqaserver.domain.TextVector;
 import com.supervision.pdfqaserver.dto.*;
 import com.supervision.pdfqaserver.service.*;
 import lombok.extern.slf4j.Slf4j;
 import org.junit.jupiter.api.Test;
 import org.neo4j.driver.*;
 import org.neo4j.driver.Record;
+import org.springframework.ai.embedding.Embedding;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
-import java.util.ArrayList;
+
-import java.util.List;
+import java.util.*;
-import java.util.Map;
 import java.util.stream.Collectors;
 import static org.neo4j.driver.Values.parameters;
 
@@ -206,8 +208,8 @@ class PdfQaServerApplicationTests {
 
     @Test
     void testQueryGraph2() {
-        aiCallService.embedding("");
+        Embedding embedding = aiCallService.embedding("你好");
-        System.out.println("done");
+        System.out.println(embedding.getOutput().length);
     }
 
 
@@ -295,4 +297,44 @@ class PdfQaServerApplicationTests {
         List<DomainMetadataDTO> domainMetadataDTOS = domainMetadataService.listByIntentionIds(List.of("1928020787140612097"), "1");
         System.out.println(domainMetadataDTOS);
     }
+
+
+    @Autowired
+    private TextVectorService textVectorService;
+    @Test
+    public void textVectorTest() {
+        String texts = """
+                公司办公地点是哪里
+                请问贵公司的注册办公地址在哪里？
+                能否告知公司总部所在地的具体位置？
+                公司的主要办公场所设在什么地方？
+                贵司的办公场所位于哪个城市/区域？
+                请提供公司目前办公地点的详细地址？
+                """;
+        String[] split = texts.split("\n");
+        List<String> list = Arrays.stream(split).toList();
+        for (String text : list) {
+            TextVector textVector = new TextVector();
+            textVector.setContent(text.trim());
+            textVector.setCategoryId("查询办公地点");
+            float[] output = aiCallService.embedding(textVector.getContent()).getOutput();
+            textVector.setEmbedding(output);
+            textVectorService.save(textVector);
+        }
+
+    }
+    @Test
+    public void textVectorTest2() {
+        String queryText = "告诉我龙源电力的办公地点？";
+        float[] output = aiCallService.embedding(queryText).getOutput();
+        List<TextVectorDTO> similarByCosine = textVectorService.findSimilarByCosine(output, 0.3f, 10);
+        similarByCosine = similarByCosine.stream().sorted(Comparator.comparingDouble(TextVectorDTO::getSimilarityScore).reversed()).collect(Collectors.toList());
+        log.info("<<<===========================>>>" );
+        for (TextVectorDTO vectorDTO : similarByCosine) {
+            String content = vectorDTO.getContent();
+            double similarityScore = vectorDTO.getSimilarityScore();
+            String categoryId = vectorDTO.getCategoryId();
+            System.out.printf("%s\t%s\t%s\t%s%n",queryText,  categoryId , NumberUtil.decimalFormat("0.0000",similarityScore),content);
+        }
+    }
 }