知识问答相关

stdiet-custom/src/main/java/com/stdiet/custom/domain/SysNutritionQuestion.java

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+package com.stdiet.custom.domain;
+
+import com.stdiet.common.annotation.Excel;
+import com.stdiet.common.core.domain.BaseEntity;
+import lombok.Data;
+
+/**
+ * 营养知识小问答对象 sys_nutrition_question
+ *
+ * @author xzj
+ * @date 2021-04-13
+ */
+@Data
+public class SysNutritionQuestion extends BaseEntity
+{
+    private static final long serialVersionUID = 1L;
+
+    /** $column.columnComment */
+    private Long id;
+
+    /** 标题 */
+    @Excel(name = "标题")
+    private String title;
+
+    /** 内容 */
+    @Excel(name = "内容")
+    private String content;
+
+    /** 关键词，逗号隔开 */
+    @Excel(name = "关键词，逗号隔开")
+    private String key;
+
+    /** 标题内容索引分词之后的关键词 */
+    @Excel(name = "标题内容索引分词之后的关键词")
+    private String titleContentIndex;
+
+    /** 是否在小程序显示，0 不显示 1显示，默认0 */
+    @Excel(name = "是否在小程序显示，0 不显示 1显示，默认0")
+    private Integer showFlag;
+
+    /** 删除标识 0未删除 1已删除 */
+    private Integer delFlag;
+}

stdiet-custom/src/main/java/com/stdiet/custom/dto/response/NutritionQuestionResponse.java

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+package com.stdiet.custom.dto.response;
+
+import com.stdiet.common.annotation.Excel;
+import lombok.Data;
+
+import java.io.Serializable;
+
+@Data
+public class NutritionQuestionResponse implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    /** $column.columnComment */
+    private Long id;
+
+    /** 标题 */
+    @Excel(name = "标题")
+    private String title;
+
+    /** 内容 */
+    @Excel(name = "内容")
+    private String content;
+
+    /** 关键词，逗号隔开 */
+    @Excel(name = "关键词，逗号隔开")
+    private String key;
+}

stdiet-custom/src/main/java/com/stdiet/custom/mapper/SysNutritionQuestionMapper.java

@@ -0,0 +1,67 @@
+package com.stdiet.custom.mapper;
+
+import java.util.List;
+import com.stdiet.custom.domain.SysNutritionQuestion;
+
+/**
+ * 营养知识小问答Mapper接口
+ *
+ * @author xzj
+ * @date 2021-04-13
+ */
+public interface SysNutritionQuestionMapper
+{
+    /**
+     * 查询营养知识小问答
+     *
+     * @param id 营养知识小问答ID
+     * @return 营养知识小问答
+     */
+    public SysNutritionQuestion selectSysNutritionQuestionById(Long id);
+
+    /**
+     * 查询营养知识小问答列表
+     *
+     * @param sysNutritionQuestion 营养知识小问答
+     * @return 营养知识小问答集合
+     */
+    public List<SysNutritionQuestion> selectSysNutritionQuestionList(SysNutritionQuestion sysNutritionQuestion);
+
+    /**
+     * 新增营养知识小问答
+     *
+     * @param sysNutritionQuestion 营养知识小问答
+     * @return 结果
+     */
+    public int insertSysNutritionQuestion(SysNutritionQuestion sysNutritionQuestion);
+
+    /**
+     * 修改营养知识小问答
+     *
+     * @param sysNutritionQuestion 营养知识小问答
+     * @return 结果
+     */
+    public int updateSysNutritionQuestion(SysNutritionQuestion sysNutritionQuestion);
+
+    /**
+     * 删除营养知识小问答
+     *
+     * @param id 营养知识小问答ID
+     * @return 结果
+     */
+    public int deleteSysNutritionQuestionById(Long id);
+
+    /**
+     * 批量删除营养知识小问答
+     *
+     * @param ids 需要删除的数据ID
+     * @return 结果
+     */
+    public int deleteSysNutritionQuestionByIds(Long[] ids);
+
+    /**
+     * 根据关键词搜索对应营养知识问答
+     * @return
+     */
+    public List<String> getNutritionQuestionListByKey(SysNutritionQuestion sysNutritionQuestion);
+}

stdiet-custom/src/main/java/com/stdiet/custom/service/ISysNutritionQuestionService.java

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+package com.stdiet.custom.service;
+
+import java.util.List;
+import java.util.Map;
+
+import com.stdiet.custom.domain.SysNutritionQuestion;
+
+/**
+ * 营养知识小问答Service接口
+ *
+ * @author xzj
+ * @date 2021-04-13
+ */
+public interface ISysNutritionQuestionService
+{
+    /**
+     * 查询营养知识小问答
+     *
+     * @param id 营养知识小问答ID
+     * @return 营养知识小问答
+     */
+    public SysNutritionQuestion selectSysNutritionQuestionById(Long id);
+
+    /**
+     * 查询营养知识小问答列表
+     *
+     * @param sysNutritionQuestion 营养知识小问答
+     * @return 营养知识小问答集合
+     */
+    public List<SysNutritionQuestion> selectSysNutritionQuestionList(SysNutritionQuestion sysNutritionQuestion);
+
+    /**
+     * 新增营养知识小问答
+     *
+     * @param sysNutritionQuestion 营养知识小问答
+     * @return 结果
+     */
+    public int insertSysNutritionQuestion(SysNutritionQuestion sysNutritionQuestion);
+
+    /**
+     * 修改营养知识小问答
+     *
+     * @param sysNutritionQuestion 营养知识小问答
+     * @return 结果
+     */
+    public int updateSysNutritionQuestion(SysNutritionQuestion sysNutritionQuestion);
+
+    /**
+     * 批量删除营养知识小问答
+     *
+     * @param ids 需要删除的营养知识小问答ID
+     * @return 结果
+     */
+    public int deleteSysNutritionQuestionByIds(Long[] ids);
+
+    /**
+     * 删除营养知识小问答信息
+     *
+     * @param id 营养知识小问答ID
+     * @return 结果
+     */
+    public int deleteSysNutritionQuestionById(Long id);
+
+    /**
+     * 根据关键词搜索对应营养知识问答(Lucene索引分词查询)
+     * @return
+     */
+    public Map<String, Object> getNutritionQuestionListByKey(SysNutritionQuestion sysNutritionQuestion, int pageNum, int pageSize);
+
+}

stdiet-custom/src/main/java/com/stdiet/custom/service/impl/SysNutritionQuestionServiceImpl.java

@@ -0,0 +1,154 @@
+package com.stdiet.custom.service.impl;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import com.stdiet.common.utils.DateUtils;
+import com.stdiet.common.utils.reflect.ReflectUtils;
+import com.stdiet.custom.utils.LuceneIndexUtils;
+import org.apache.lucene.document.Document;
+import org.apache.lucene.document.Field;
+import org.apache.lucene.document.TextField;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import com.stdiet.custom.mapper.SysNutritionQuestionMapper;
+import com.stdiet.custom.domain.SysNutritionQuestion;
+import com.stdiet.custom.service.ISysNutritionQuestionService;
+
+/**
+ * 营养知识小问答Service业务层处理
+ *
+ * @author xzj
+ * @date 2021-04-13
+ */
+@Service
+public class SysNutritionQuestionServiceImpl implements ISysNutritionQuestionService
+{
+    @Autowired
+    private SysNutritionQuestionMapper sysNutritionQuestionMapper;
+
+    public static final String index_path = "D:\\develop\\LuceneIndex\\nutritionQuestion";
+    //private static final String index_path = "";
+
+    //建立索引的字段名称
+    public static final String[] index_field_array = {"id", "title", "content", "key"};
+
+    /**
+     * 查询营养知识小问答
+     *
+     * @param id 营养知识小问答ID
+     * @return 营养知识小问答
+     */
+    @Override
+    public SysNutritionQuestion selectSysNutritionQuestionById(Long id)
+    {
+        return sysNutritionQuestionMapper.selectSysNutritionQuestionById(id);
+    }
+
+    /**
+     * 查询营养知识小问答列表
+     *
+     * @param sysNutritionQuestion 营养知识小问答
+     * @return 营养知识小问答
+     */
+    @Override
+    public List<SysNutritionQuestion> selectSysNutritionQuestionList(SysNutritionQuestion sysNutritionQuestion)
+    {
+        return sysNutritionQuestionMapper.selectSysNutritionQuestionList(sysNutritionQuestion);
+    }
+
+    /**
+     * 新增营养知识小问答
+     *
+     * @param sysNutritionQuestion 营养知识小问答
+     * @return 结果
+     */
+    @Override
+    public int insertSysNutritionQuestion(SysNutritionQuestion sysNutritionQuestion)
+    {
+        sysNutritionQuestion.setCreateTime(DateUtils.getNowDate());
+        if(sysNutritionQuestionMapper.insertSysNutritionQuestion(sysNutritionQuestion) > 0){
+            return createNutritionQuestionIndex(sysNutritionQuestion) ? 1 : 0;
+        }
+        return 0;
+    }
+
+    /**
+     * 修改营养知识小问答
+     *
+     * @param sysNutritionQuestion 营养知识小问答
+     * @return 结果
+     */
+    @Override
+    public int updateSysNutritionQuestion(SysNutritionQuestion sysNutritionQuestion)
+    {
+        sysNutritionQuestion.setUpdateTime(DateUtils.getNowDate());
+        return sysNutritionQuestionMapper.updateSysNutritionQuestion(sysNutritionQuestion);
+    }
+
+    /**
+     * 批量删除营养知识小问答
+     *
+     * @param ids 需要删除的营养知识小问答ID
+     * @return 结果
+     */
+    @Override
+    public int deleteSysNutritionQuestionByIds(Long[] ids)
+    {
+        return sysNutritionQuestionMapper.deleteSysNutritionQuestionByIds(ids);
+    }
+
+    /**
+     * 删除营养知识小问答信息
+     *
+     * @param id 营养知识小问答ID
+     * @return 结果
+     */
+    @Override
+    public int deleteSysNutritionQuestionById(Long id)
+    {
+        return sysNutritionQuestionMapper.deleteSysNutritionQuestionById(id);
+    }
+
+    /**
+     * 根据关键词搜索对应营养知识问答
+     * @return
+     */
+    @Override
+    public Map<String, Object> getNutritionQuestionListByKey(SysNutritionQuestion sysNutritionQuestion, int pageNum, int pageSize){
+        //return sysNutritionQuestionMapper.getNutritionQuestionListByKey(sysNutritionQuestion);
+        try{
+            //建立索引
+            LuceneIndexUtils luceneIndexUtils = LuceneIndexUtils.getLuceneIndexUtils(index_path);
+            return luceneIndexUtils.queryByKeyword(sysNutritionQuestion.getKey(), index_field_array, pageNum, pageSize);
+        }catch (Exception e){
+            e.printStackTrace();
+        }
+        Map<String, Object> result = new HashMap<>();
+        result.put("total", 0);
+        result.put("data", new ArrayList<>());
+        return result;
+    }
+
+    /**
+     * 建立索引
+     * @param sysNutritionQuestion
+     * @return
+     */
+    private boolean createNutritionQuestionIndex(SysNutritionQuestion sysNutritionQuestion){
+        try{
+            //建立索引
+            LuceneIndexUtils luceneIndexUtils = LuceneIndexUtils.getLuceneIndexUtils(index_path);
+            Document document = new Document();
+            for (String fieldName : index_field_array) {
+                document.add(new TextField(fieldName, ReflectUtils.getFieldValue(sysNutritionQuestion, fieldName)+"", Field.Store.YES));
+            }
+            return luceneIndexUtils.addIndexOne(document);
+        }catch (Exception e){
+            e.printStackTrace();
+            return false;
+        }
+    }
+}

stdiet-custom/src/main/java/com/stdiet/custom/utils/LuceneIndexUtils.java

@@ -0,0 +1,319 @@
+package com.stdiet.custom.utils;
+
+import com.stdiet.common.utils.StringUtils;
+import com.stdiet.custom.service.impl.SysNutritionQuestionServiceImpl;
+import org.apache.lucene.document.Document;
+import org.apache.lucene.index.*;
+import org.apache.lucene.queryparser.classic.MultiFieldQueryParser;
+import org.apache.lucene.search.*;
+import org.apache.lucene.store.Directory;
+import org.apache.lucene.store.FSDirectory;
+import org.apache.lucene.util.Version;
+import org.wltea.analyzer.core.IKSegmenter;
+import org.wltea.analyzer.core.Lexeme;
+import org.wltea.analyzer.lucene.IKAnalyzer;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.StringReader;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * Lucene的IKAnalyzer工具类
+ */
+public class LuceneIndexUtils {
+
+    //分词器
+    private IKAnalyzer analyzer = null;
+    //索引库
+    private Directory directory = null;
+    //分词器工具
+    private IndexWriterConfig config = null;
+    //流
+    private IndexWriter indexWriter= null;
+
+    public static final String default_primary_key = "id";
+
+    public static final Integer max_select_count = 1000;
+
+    public static LuceneIndexUtils getLuceneIndexUtils(String indexPath){
+        LuceneIndexUtils luceneIndexUtils = new LuceneIndexUtils();
+        try {
+            //分词器
+            luceneIndexUtils.analyzer = new IKAnalyzer();
+            //使用智能分词
+            luceneIndexUtils.analyzer.setUseSmart(true);
+            //索引库
+            luceneIndexUtils.directory = FSDirectory.open(new File(indexPath));
+            //工具装配分词器
+            luceneIndexUtils.config = new IndexWriterConfig(Version.LUCENE_44, luceneIndexUtils.analyzer);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        return luceneIndexUtils;
+    }
+
+    /**
+     * 增加所有数据
+     * @return
+     * @throws IOException
+     */
+    public int addIndexs(ArrayList<Document> documents) throws IOException {
+
+        //流 读取索引库 加装工具
+        indexWriter = new IndexWriter(directory,config);
+
+        //数据进流
+        indexWriter.addDocuments(documents);
+
+        try {
+            indexWriter.commit();
+            return documents.size();
+        }catch (Exception e){
+            indexWriter.rollback();
+            return 0;
+        }finally {
+            indexWriter.close();
+            indexWriter= null;
+            //config=null;
+        }
+
+    }
+
+    /**
+     * 增加一条数据
+     * @param document
+     * @return
+     * @throws IOException
+     */
+    public boolean addIndexOne(Document document) throws IOException {
+
+
+        //流 读取索引库 加装工具
+        indexWriter = new IndexWriter(directory,config);
+
+        //数据进流
+        indexWriter.addDocument(document);
+
+        try {
+            indexWriter.commit();
+            return true;
+        }catch (Exception e){
+            indexWriter.rollback();
+            return false;
+        }finally {
+            indexWriter.close();
+            indexWriter= null;
+        }
+
+    }
+
+    /**
+     * 删除索引库所有数据
+     * @return
+     * @throws IOException
+     */
+    public boolean deleteAllIndex() throws IOException {
+
+        try {
+
+            //流 读取索引库 加装工具
+            indexWriter = new IndexWriter(directory,config);
+
+            indexWriter.deleteAll();
+            indexWriter.commit();
+            return true;
+        }catch (Exception e){
+            e.printStackTrace();
+            indexWriter.rollback();
+            return false;
+        }finally {
+            indexWriter.close();
+            indexWriter= null;
+        }
+
+    }
+
+    /**
+     * 删除索引库中一条数据
+     * @param term
+     * @return
+     * @throws IOException
+     */
+    public boolean deleteOne(Term term) throws IOException {
+
+
+        //流 读取索引库 加装工具
+        indexWriter = new IndexWriter(directory,config);
+
+        try {
+            indexWriter.deleteDocuments(term);
+            indexWriter.commit();
+            return true;
+        }catch (Exception e){
+            indexWriter.rollback();
+            return false;
+        }finally {
+            indexWriter.close();
+            indexWriter= null;
+        }
+
+    }
+
+    /**
+     * 修改索引库中一条数据
+     * 注意：此处修改为  根据查找条件修改  如果有则修改 没有则新添 多条则修改一条（索引库的底层其实做法是 先删除，后修改- -）
+     * @param term
+     * @param document
+     * @return
+     * @throws IOException
+     */
+    public boolean updateOne(Term term, Document document) throws IOException {
+
+        try {
+
+            //流 读取索引库 加装工具
+            indexWriter = new IndexWriter(directory,config);
+
+            indexWriter.updateDocument(term,document);
+            indexWriter.commit();
+            return true;
+        }catch (Exception e){
+            indexWriter.rollback();
+            return false;
+        }finally {
+            indexWriter.close();
+            indexWriter= null;
+        }
+
+    }
+
+    /**
+     * 查询索引库的数据（根据输入关键字）
+     * @param keyword
+     * @return
+     * @throws Exception
+     */
+    public Map<String, Object> queryByKeyword(String keyword, String[] columns, int pageNum, int pageSize) throws Exception {
+        Map<String, Object> result = new HashMap<>();
+
+        //指定读取索引库的列数据
+        //String[] columns = {"articleId","articleName","articleImage","articleContent"};
+
+        //装配
+        MultiFieldQueryParser queryParser = new MultiFieldQueryParser(Version.LUCENE_44, columns, analyzer);
+
+        //解析输入关键字
+        Query query = StringUtils.isEmpty(keyword) ? new WildcardQuery(new Term(default_primary_key, "*")) : queryParser.parse(keyword);
+
+        //读索引库流
+        IndexReader reader = DirectoryReader.open(directory);
+
+        //获得读取对象
+        IndexSearcher indexSearcher = new IndexSearcher(reader);
+
+        //排序
+        SortField sortField = new SortField(default_primary_key, SortField.Type.INT, true);
+        Sort sort = new Sort(sortField);
+
+        //装配解析结果 指定读取量级
+        TopDocs search = indexSearcher.search(query, max_select_count, sort);
+
+        //获得数据地址数组
+        ScoreDoc[] scoreDocs = search.scoreDocs;
+
+        result.put("total", scoreDocs.length);
+
+        //创建返回集合  --> 方便装配
+        ArrayList<Document> list = new ArrayList<>();
+
+        int start = (pageNum - 1) * pageSize;
+
+        if(start < scoreDocs.length){
+            int end = pageSize * pageNum;
+            if (end > scoreDocs.length) {
+                end = scoreDocs.length;
+            }
+            for (int i = start; i < end; i++) {
+                //进集合 装配
+                list.add(indexSearcher.doc(scoreDocs[i].doc));
+            }
+        }
+
+        result.put("data", list);
+        return result;
+    }
+
+    /**
+     * 重置索引库 不解释
+     * @return
+     * @throws IOException
+     */
+    public boolean resetIndexDB(ArrayList<Document> documents) throws IOException {
+
+        try {
+            boolean bool = deleteAllIndex();
+            System.out.println(bool);
+            int i = addIndexs(documents);
+            System.out.println(i);
+            return true;
+        } catch (Exception e) {
+            return false;
+        }
+    }
+
+
+    /**
+     * 打印分词结果
+     * @param keyWord
+     * @throws Exception
+     */
+    public static void printAnalysisResult(String keyWord) throws Exception {
+        StringReader reader = new StringReader(keyWord);
+        IKSegmenter ik = new IKSegmenter(reader, true);// 当为true时，分词器进行最大词长切分
+        Lexeme lexeme = null;
+        while ((lexeme = ik.next()) != null) {
+            System.out.println(lexeme.getLexemeText());
+        }
+    }
+
+
+
+    public static void main(String[] args) throws IOException {
+        try{
+            LuceneIndexUtils luceneIndexUtils = LuceneIndexUtils.getLuceneIndexUtils(SysNutritionQuestionServiceImpl.index_path);
+            /*for (int i = 1 ; i < 100; i++){
+                Document document = new Document();
+                document.add(new TextField("id",i+"", Field.Store.YES));
+                document.add(new TextField("title","什么食物是脂肪杀手？", Field.Store.YES));
+                document.add(new TextField("content","黄瓜", Field.Store.YES));
+                document.add(new TextField("key","脂肪|杀手|食物", Field.Store.YES));
+                luceneIndexUtils.addIndexOne(document);
+
+            }*/
+            /*Document document = new Document();
+            document.add(new TextField("id","1", Field.Store.YES));
+            document.add(new TextField("title","什么食物是脂肪杀手？", Field.Store.YES));
+            document.add(new TextField("content","黄瓜", Field.Store.YES));
+            document.add(new TextField("key","脂肪|杀手|食物", Field.Store.YES));
+            luceneIndexUtils.addIndexOne(document);*/
+
+            String[] columns = {"key","content","title"};
+            Map<String,Object> map = luceneIndexUtils.queryByKeyword("猝死", SysNutritionQuestionServiceImpl.index_field_array, 1,10);
+
+            System.out.println(Long.parseLong(map.get("total").toString()));
+
+            for(Document document : (List<Document>)map.get("data")){
+                System.out.println(document.get("id")+"-"+document.get("key"));
+            }
+
+            //LuceneIndexUtils.printAnalysisResult("什么食物是脂肪杀手？");
+        }catch (Exception e){
+            e.printStackTrace();
+        }
+    }
+
+}

stdiet-custom/src/main/resources/mapper/custom/SysNutritionQuestionMapper.xml

@@ -0,0 +1,114 @@
+<?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.stdiet.custom.mapper.SysNutritionQuestionMapper">
+
+    <resultMap type="SysNutritionQuestion" id="SysNutritionQuestionResult">
+        <result property="id"    column="id"    />
+        <result property="title"    column="title"    />
+        <result property="content"    column="content"    />
+        <result property="key"    column="key"    />
+        <result property="titleContentIndex"    column="title_content_index"    />
+        <result property="showFlag"    column="show_flag"    />
+        <result property="createTime"    column="create_time"    />
+        <result property="createBy"    column="create_by"    />
+        <result property="updateTime"    column="update_time"    />
+        <result property="updateBy"    column="update_by"    />
+        <result property="delFlag"    column="del_flag"    />
+    </resultMap>
+
+    <!-- 部分字段resultMap -->
+    <resultMap type="com.stdiet.custom.dto.response.NutritionQuestionResponse" id="SysNutritionQuestionResultExtended">
+        <result property="id"    column="id"    />
+        <result property="title"    column="title"    />
+        <result property="content"    column="content"    />
+        <result property="key"    column="key"    />
+        <result property="titleContentIndex"    column="title_content_index"    />
+    </resultMap>
+
+    <sql id="selectSysNutritionQuestionVo">
+        select id, title, content, `key`, title_content_index, show_flag, create_time, create_by, update_time, update_by, del_flag from sys_nutrition_question
+    </sql>
+
+    <select id="selectSysNutritionQuestionList" parameterType="SysNutritionQuestion" resultMap="SysNutritionQuestionResult">
+        <include refid="selectSysNutritionQuestionVo"/> where del_flag = 0
+        <if test="title != null  and title != ''"> and title = #{title}</if>
+        <if test="content != null  and content != ''"> and content = #{content}</if>
+        <if test="key != null  and key != ''"> and `key` = #{key}</if>
+        <if test="titleContentIndex != null  and titleContentIndex != ''"> and title_content_index = #{titleContentIndex}</if>
+        <if test="showFlag != null "> and show_flag = #{showFlag}</if>
+    </select>
+
+    <select id="selectSysNutritionQuestionById" parameterType="Long" resultMap="SysNutritionQuestionResult">
+        <include refid="selectSysNutritionQuestionVo"/>
+        where id = #{id} and del_flag = 0
+    </select>
+
+    <insert id="insertSysNutritionQuestion" parameterType="SysNutritionQuestion" useGeneratedKeys="true" keyProperty="id">
+        insert into sys_nutrition_question
+        <trim prefix="(" suffix=")" suffixOverrides=",">
+            <if test="title != null">title,</if>
+            <if test="content != null">content,</if>
+            <if test="key != null and key != ''">`key`,</if>
+            <if test="titleContentIndex != null">title_content_index,</if>
+            <if test="showFlag != null">show_flag,</if>
+            <if test="createTime != null">create_time,</if>
+            <if test="createBy != null">create_by,</if>
+            <if test="updateTime != null">update_time,</if>
+            <if test="updateBy != null">update_by,</if>
+            <if test="delFlag != null">del_flag,</if>
+        </trim>
+        <trim prefix="values (" suffix=")" suffixOverrides=",">
+            <if test="title != null">#{title},</if>
+            <if test="content != null">#{content},</if>
+            <if test="key != null and key != ''">#{key},</if>
+            <if test="titleContentIndex != null">#{titleContentIndex},</if>
+            <if test="showFlag != null">#{showFlag},</if>
+            <if test="createTime != null">#{createTime},</if>
+            <if test="createBy != null">#{createBy},</if>
+            <if test="updateTime != null">#{updateTime},</if>
+            <if test="updateBy != null">#{updateBy},</if>
+            <if test="delFlag != null">#{delFlag},</if>
+        </trim>
+    </insert>
+
+    <update id="updateSysNutritionQuestion" parameterType="SysNutritionQuestion">
+        update sys_nutrition_question
+        <trim prefix="SET" suffixOverrides=",">
+            <if test="title != null">title = #{title},</if>
+            <if test="content != null">content = #{content},</if>
+            <if test="key != null and key != ''">`key` = #{key},</if>
+            <if test="titleContentIndex != null">title_content_index = #{titleContentIndex},</if>
+            <if test="showFlag != null">show_flag = #{showFlag},</if>
+            <if test="createTime != null">create_time = #{createTime},</if>
+            <if test="createBy != null">create_by = #{createBy},</if>
+            <if test="updateTime != null">update_time = #{updateTime},</if>
+            <if test="updateBy != null">update_by = #{updateBy},</if>
+            <if test="delFlag != null">del_flag = #{delFlag},</if>
+        </trim>
+        where id = #{id}
+    </update>
+
+    <update id="deleteSysNutritionQuestionById" parameterType="Long">
+        update sys_nutrition_question set del_flag = 1 where id = #{id}
+    </update>
+
+    <update id="deleteSysNutritionQuestionByIds" parameterType="String">
+        update sys_nutrition_question set del_flag = 1 where id in
+        <foreach item="id" collection="array" open="(" separator="," close=")">
+            #{id}
+        </foreach>
+    </update>
+
+    <!-- 根据关键词查询对应知识问题 -->
+    <select id="getNutritionQuestionListByKey" parameterType="SysNutritionQuestion" resultMap="SysNutritionQuestionResultExtended">
+        select id, title, `key`, content where del_flag = 0
+        <if test="showFlag != null "> and show_flag = #{showFlag}</if>
+        <if test="key != null and key != ''">
+          and (title like CONCAT('%',#{key},'%') or key like CONCAT('%',#{key},'%') or titleContentIndex like CONCAT('%',#{key},'%'))
+        </if>
+        order by id desc
+    </select>
+
+</mapper>