feat(shop): 添加产品分类关系功能并优化日志配置

- 新增 Productcategoryrelation 相关的 DTO、Mapper、Service 接口及其实现类 - 在 ProductDO 中添加 relatedProductIds 字段 - 优化 ProductMapper接口和 XML 文件中的方法命名 - 更新 log4j2-dev.xml 配置，调整日志输出级别和格式 - 修改 ImportRelatedCategoryListenter 中的查询逻辑

feat(shop): 添加产品分类关系功能并优化日志配置
- 新增 Productcategoryrelation 相关的 DTO、Mapper、Service 接口及其实现类 - 在 ProductDO 中添加 relatedProductIds 字段 - 优化 ProductMapper接口和 XML 文件中的方法命名 - 更新 log4j2-dev.xml 配置，调整日志输出级别和格式 - 修改 ImportRelatedCategoryListenter 中的查询逻辑
曾国涛
1 parent 2d4b3f38
Showing 16 changed files with 291 additions and 50 deletions
shop/src/main/java/com/canrd/shop/common/excel/listenter/ImportRelatedCategoryListenter.java
shop/src/main/java/com/canrd/shop/mapper/ProductMapper.java
shop/src/main/java/com/canrd/shop/mapper/ProductcategoryrelationMapper.java
shop/src/main/java/com/canrd/shop/module/dto/ProductDO.java
shop/src/main/java/com/canrd/shop/module/dto/Productcategoryrelation.java
shop/src/main/java/com/canrd/shop/service/IProductcategoryrelationService.java
shop/src/main/java/com/canrd/shop/service/impl/ProductServiceImpl.java
shop/src/main/java/com/canrd/shop/service/impl/ProductcategoryrelationServiceImpl.java
shop/src/main/resources/application-test.yml
shop/src/main/resources/log4j2-dev.xml
shop/src/main/resources/mapper/ProductMapper.xml
src/main/java/com/order/erp/domain/model/Productcategoryrelation.java
src/main/java/com/order/erp/mapper/ProductcategoryrelationMapper.java
src/main/java/com/order/erp/service/IProductcategoryrelationService.java
src/main/java/com/order/erp/service/impl/ProductcategoryrelationServiceImpl.java
src/main/resources/mapper/ProductcategoryrelationMapper.xml
 package com.canrd.shop.common.excel.listenter;
 import cn.hutool.core.bean.BeanUtil;
+import cn.hutool.core.collection.CollUtil;
 import com.alibaba.excel.context.AnalysisContext;
 import com.alibaba.excel.event.AnalysisEventListener;
 import com.canrd.shop.module.dto.EbCategorysRelation;
@@ -10,6 +11,7 @@ import com.canrd.shop.service.IEbCategorysRelationService;
 import com.canrd.shop.service.ProductCategoryService;
+import java.util.List;
 import java.util.Optional;
 /**
@@ -30,20 +32,20 @@ public class ImportRelatedCategoryListenter extends AnalysisEventListener&lt;Import
     @Override
     public void invoke(ImportRelatedCategoryVo importRelatedCategoryVo, AnalysisContext analysisContext) {
-        Optional<ProductCategoryDO> categoryOptional = categoryService.lambdaQuery()
+        List<ProductCategoryDO> ProductCategoryDOs = categoryService.lambdaQuery()
                 .eq(ProductCategoryDO::getName, importRelatedCategoryVo.getCategoryName())
                 .select(ProductCategoryDO::getId)
-                .oneOpt();
-        Optional<ProductCategoryDO> relatedCategoryOptional = categoryService.lambdaQuery()
+                .list();
+        List<ProductCategoryDO> relatedProductCategoryDOs = categoryService.lambdaQuery()
                 .eq(ProductCategoryDO::getName, importRelatedCategoryVo.getRelatedCategoryName())
                 .select(ProductCategoryDO::getId)
-                .oneOpt();
-        if (!categoryOptional.isPresent()||!relatedCategoryOptional.isPresent()){
+                .list();
+        if (CollUtil.isEmpty(ProductCategoryDOs) ||CollUtil.isEmpty(relatedProductCategoryDOs)){
             return;
         }
         EbCategorysRelation bean = BeanUtil.toBean(importRelatedCategoryVo, EbCategorysRelation.class);
-        bean.setCategoryId(categoryOptional.get().getId());
-        bean.setRelatedCategoryId(relatedCategoryOptional.get().getId());
+        bean.setCategoryId(ProductCategoryDOs.get(0).getId());
+        bean.setRelatedCategoryId(relatedProductCategoryDOs.get(0).getId());
         ebCategorysRelationService.save(bean);
     }
@@ -10,7 +10,6 @@ import com.canrd.shop.module.dto.ProductDO;
 import com.canrd.shop.module.vo.ProductQueryVO;
 import org.apache.ibatis.annotations.Mapper;
 import org.apache.ibatis.annotations.Param;
-import org.apache.ibatis.annotations.Select;
 import java.util.List;
@@ -24,8 +23,8 @@ import java.util.List;
 public interface ProductMapper extends BaseMapper<ProductDO> {
-    IPage<ProductDO> selectAll(Page<ProductQueryVO> productQueryVOPage, @Param(Constants.WRAPPER) Wrapper<ProductQueryVO> wrapper);
+    IPage<ProductDO> queryAll(Page<ProductQueryVO> productQueryVOPage, @Param(Constants.WRAPPER) Wrapper<ProductQueryVO> wrapper);
-    List<ProductDO> selectList(@Param(Constants.WRAPPER) QueryWrapper<ProductQueryVO> queryWrapper);
+    List<ProductDO> queryList(@Param(Constants.WRAPPER) QueryWrapper<ProductQueryVO> queryWrapper);
 }
+package com.canrd.shop.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.canrd.shop.module.dto.Productcategoryrelation;
+
+/**
+ * <p>
+ *  Mapper 接口
+ * </p>
+ *
+ * @author author
+ * @since 2024-11-14
+ */
+public interface ProductcategoryrelationMapper extends BaseMapper<Productcategoryrelation> {
+
+}
@@ -8,6 +8,7 @@ import lombok.experimental.SuperBuilder;
 import java.io.Serializable;
 import java.math.BigDecimal;
 import java.util.Date;
+import java.util.List;
 /**
  * (Product)实体类
@@ -137,5 +138,7 @@ public class ProductDO implements Serializable {
     private Integer similar;
     @TableField(exist = false)
     private Integer ttsTotalSimilar=0;
+    @TableField(exist = false)
+    private List<String> relatedProductIds;
 }
+package com.canrd.shop.module.dto;
+
+import com.baomidou.mybatisplus.annotation.TableField;
+import com.baomidou.mybatisplus.annotation.TableName;
+import com.baomidou.mybatisplus.annotation.IdType;
+import java.time.LocalDateTime;
+import com.baomidou.mybatisplus.annotation.TableId;
+import java.io.Serializable;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.experimental.Accessors;
+
+/**
+ * <p>
+ * 
+ * </p>
+ *
+ * @author author
+ * @since 2024-11-14
+ */
+@Data
+@EqualsAndHashCode(callSuper = false)
+@Accessors(chain = true)
+@TableName("productcategoryrelation")
+public class Productcategoryrelation implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    @TableField(value = "productId")
+    private String productId;
+    @TableField(value = "categoryId")
+    private String categoryId;
+    @TableField(value = "modifyDate")
+    private LocalDateTime modifyDate;
+
+
+}
+package com.canrd.shop.service;
+
+import com.baomidou.mybatisplus.extension.service.IService;
+import com.canrd.shop.module.dto.Productcategoryrelation;
+
+/**
+ * <p>
+ *  服务类
+ * </p>
+ *
+ * @author author
+ * @since 2024-11-14
+ */
+public interface IProductcategoryrelationService extends IService<Productcategoryrelation> {
+
+}
@@ -17,11 +17,7 @@ import com.canrd.shop.common.utils.PageUtils;
 import com.canrd.shop.common.utils.StringUtils;
 import com.canrd.shop.converter.ProductConverter;
 import com.canrd.shop.mapper.ProductMapper;
-import com.canrd.shop.module.dto.BrandDO;
-import com.canrd.shop.module.dto.ProductAttributeDO;
-import com.canrd.shop.module.dto.ProductAttributeMapStoreDO;
-import com.canrd.shop.module.dto.ProductDO;
-import com.canrd.shop.module.dto.TicketTypeDO;
+import com.canrd.shop.module.dto.*;
 import com.canrd.shop.module.vo.ProductAttributeVO;
 import com.canrd.shop.module.vo.ProductQueryVO;
 import com.canrd.shop.module.vo.ProductVO;
@@ -63,6 +59,8 @@ public class ProductServiceImpl extends ServiceImpl&lt;ProductMapper, ProductDO&gt; im
     @Autowired
     private ProductAttributeService productAttributeService;
+    @Autowired
+    private IProductcategoryrelationService productCategoryRelationService;
     @Autowired
     private ProductAttributeMapStoreService productAttributeMapStoreService;
@@ -76,6 +74,9 @@ public class ProductServiceImpl extends ServiceImpl&lt;ProductMapper, ProductDO&gt; im
     @Autowired
     private ISwitchControlService switchControlService;
+    @Autowired
+    private IEbCategorysRelationService ebCategorysRelationService;
+
     /**
      * 通过ID查询单条数据
      * <p>
@@ -152,14 +153,16 @@ public class ProductServiceImpl extends ServiceImpl&lt;ProductMapper, ProductDO&gt; im
             queryWapper.eq("pf.id",productQueryVO.getProductFunctionId());
         }
         if(StringUtils.isNotBlank(productQueryVO.getKeyword())){
-            List<TicketTypeDO> tickeyTypeDOList = ticketTypeService.lambdaQuery().like(TicketTypeDO::getRank, productQueryVO.getKeyword()).list();
+            List<TicketTypeDO> tickeyTypeDOList = ticketTypeService.lambdaQuery()
+                    .like(TicketTypeDO::getRank, productQueryVO.getKeyword())
+                    .list();
             Set<String> productIds  = tickeyTypeDOList.stream().map(TicketTypeDO::getProductId).collect(Collectors.toSet());
             queryWapper.and(subQueryWapper -> {
                 subQueryWapper.like("p.name", productQueryVO.getKeyword()).or().in("p.id", productIds);
             });
         }
         Page page = new Page<>(productQueryVO.getPageNo(), productQueryVO.getPageSize());
-        IPage<ProductDO> iPage = productMapper.selectAll(page,queryWapper);
+        IPage<ProductDO> iPage = productMapper.queryAll(page,queryWapper);
         suppleProducts(iPage.getRecords());
         productQueryVO.setTotal(Long.valueOf(iPage.getTotal()).intValue());
         return ServerResult.success().setData(PageUtils.getPageReturn(iPage.getRecords(), productQueryVO));
@@ -179,6 +182,24 @@ public class ProductServiceImpl extends ServiceImpl&lt;ProductMapper, ProductDO&gt; im
                 }
             }
         }
+
+        List<Productcategoryrelation> productcategoryrelations = productCategoryRelationService.lambdaQuery()
+                .in(Productcategoryrelation::getProductId, productIds)
+                .list();
+        List<String> categoryIds = productcategoryrelations.stream().map(Productcategoryrelation::getCategoryId).collect(Collectors.toList());
+        Map<String,List<String>> productId2cateIds = productcategoryrelations.stream()
+                .collect(Collectors.groupingBy(Productcategoryrelation::getProductId,
+                        Collectors.mapping(Productcategoryrelation::getCategoryId, Collectors.toList())));
+        List<EbCategorysRelation> cateRelations = ebCategorysRelationService.lambdaQuery()
+                .in(EbCategorysRelation::getCategoryId, categoryIds)
+                .list();
+        Map<String,List<EbCategorysRelation>>  cateId2relCates = cateRelations.stream()
+                .collect(Collectors.groupingBy(EbCategorysRelation::getCategoryId,
+                        Collectors.mapping(Function.identity(), Collectors.toList())));
+        Map<String,List<EbCategorysRelation>> prodId2relCateIds = productId2cateIds.entrySet().stream()
+                .collect(Collectors.toMap(Map.Entry::getKey, entry -> entry.getValue().stream()
+                        .flatMap(cateId -> Optional.ofNullable(cateId2relCates.get(cateId)).orElse(Collections.emptyList()).stream())
+                        .collect(Collectors.toList())));
         records.forEach(product -> {
             if (productPriceShow){
                 if (Objects.nonNull(pId2ttMinPriceMap.get(product.getId()))){
@@ -189,6 +210,26 @@ public class ProductServiceImpl extends ServiceImpl&lt;ProductMapper, ProductDO&gt; im
             List<Map> maps = JSON.parseArray(product.getProductimageliststore(), Map.class);
             Map map = maps.get(0);
             product.setImageFileKey(map.get("fileKey").toString());
+
+
+            List<EbCategorysRelation> ebCategorysRelations = prodId2relCateIds.get(product.getId());
+            if (CollUtil.isNotEmpty(ebCategorysRelations)){
+                Map<String,Integer> relatedCateId2Relevance = ebCategorysRelations.stream()
+                        .collect(Collectors.toMap(EbCategorysRelation::getRelatedCategoryId, EbCategorysRelation::getRelevance,(a, b) -> a));
+                TreeMap<String, Integer> cateId2Relevance = new TreeMap<>(relatedCateId2Relevance);
+                StringJoiner orderByJoiner = new StringJoiner(" when "," order by case pcid when "," else 0 end limit 10 ");
+                cateId2Relevance.forEach((k,v)->orderByJoiner.add("'"+k+"'"+" then "+v));
+                QueryWrapper<ProductDO> objectQueryWrapper = new QueryWrapper<ProductDO>()
+                        .in("pc.id", cateId2Relevance.keySet())
+                        .select("id")
+                        .last(orderByJoiner.toString());
+                List<ProductDO> relatedProducts = this
+                        .list(objectQueryWrapper);
+                List<String> relatedProductIds = relatedProducts.stream()
+                        .map(ProductDO::getId)
+                        .collect(Collectors.toList());
+                product.setRelatedProductIds(relatedProductIds);
+            }
         });
     }
@@ -224,7 +265,7 @@ public class ProductServiceImpl extends ServiceImpl&lt;ProductMapper, ProductDO&gt; im
                 subQueryWapper.like("p.name", productQueryVO.getKeyword()).or().in(CollUtil.isNotEmpty(finalProductIds),"p.id", finalProductIds);
             });
         }
-        List<ProductDO> productDOS = this.baseMapper.selectList(queryWapper);
+        List<ProductDO> productDOS = this.baseMapper.queryList(queryWapper);
         List<ProductDO> accurateProducts = Lists.newArrayList();
         Set<String> accurateProductIdSet = Sets.newHashSet();
         //区分大小写
@@ -382,7 +423,7 @@ public class ProductServiceImpl extends ServiceImpl&lt;ProductMapper, ProductDO&gt; im
             queryWapper.like("p.name", productQueryVO.getKeyword());
         }
         Page page = new Page<>(productQueryVO.getPageNo(), productQueryVO.getPageSize());
-        IPage<ProductDO> iPage = productMapper.selectAll(page,queryWapper);
+        IPage<ProductDO> iPage = productMapper.queryAll(page,queryWapper);
         productQueryVO.setTotal(Long.valueOf(iPage.getTotal()).intValue());
         return ServerResult.success().setData(PageUtils.getPageReturn(iPage.getRecords(), productQueryVO));
     }
+package com.canrd.shop.service.impl;
+
+
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.canrd.shop.mapper.ProductcategoryrelationMapper;
+import com.canrd.shop.module.dto.Productcategoryrelation;
+import com.canrd.shop.service.IProductcategoryrelationService;
+import org.springframework.stereotype.Service;
+
+/**
+ * <p>
+ *  服务实现类
+ * </p>
+ *
+ * @author author
+ * @since 2024-11-14
+ */
+@Service
+public class ProductcategoryrelationServiceImpl extends ServiceImpl<ProductcategoryrelationMapper, Productcategoryrelation> implements IProductcategoryrelationService {
+
+}
 mybatis-plus:
   configuration:
+    log-impl: org.apache.ibatis.logging.stdout.StdOutImpl
     cache-enabled: false
     call-setters-on-nulls: true
     jdbc-type-for-null: 'null'
     map-underscore-to-camel-case: true
-    log-impl: org.apache.ibatis.logging.slf4j.Slf4jImpl
   global-config:
     db-config:
       capital-mode: false
@@ -3,13 +3,12 @@
 <!--Configuration后面的status，这个用于设置log4j2自身内部的信息输出，可以不设置，当设置成trace时，你会看到log4j2内部各种详细输出 -->
 <!--monitorInterval：Log4j能够自动检测修改配置 文件和重新配置本身，设置间隔秒数 -->
 <configuration status="debug" monitorInterval="30">
-    <!--<contextName>log4j2</contextName>-->
     <properties>
         <!--${sys:catalina.home}表示linux中环境变量中的tomcat根目录 用户主目录-->
         <!--原来用logback时候在统一配置中心也配置一个logging.path=/opt/tomcat-log/${spring.application.name}   LOG_PATH是内置变量-->
         <!--${sys:user.home}  用户主目录-->
-       <!-- <Property name="log_path">${sys:user.home}/logs</Property>-->
-<!--        <Property name="log_path" value="./logs/" />-->
+        <!-- <Property name="log_path">${sys:user.home}/logs</Property>-->
+        <!--        <Property name="log_path" value="./logs/" />-->
         <property name="console_log_pattern">%d|%t|%traceId|%-5level|%F:%L|%M|%m%n</property>
         <!-- 保留日志天数 D H M S 分别对应天 小时 分钟 秒 -->
         <property name="KEEP_LOG_DAY">60D</property>
@@ -20,34 +19,22 @@
     <appenders>
         <console name="Console" target="SYSTEM_OUT">
             <!--输出日志的格式 -->
-            <PatternLayout  charset="UTF-8" pattern="${console_log_pattern}"/>
-            <ThresholdFilter level="info" onMatch="ACCEPT" onMismatch="DENY" />
+            <PatternLayout charset="UTF-8" pattern="${console_log_pattern}"/>
+            <ThresholdFilter level="debug" onMatch="ACCEPT" onMismatch="DENY" />
         </console>
-        <!--这个输出控制台的配置 -->
-        <!--<console name="Console" target="SYSTEM_OUT" follow="false">-->
-        <!--&lt;!&ndash;输出日志的格式 &ndash;&gt;-->
-        <!--<PatternLayout pattern="%date{yyyy-MM-dd HH:mm:ss.SSS} %level [%thread][%file:%line] - %msg%n" />-->
-        <!--</console>-->
-
         <!-- 这个会打印出所有的info及以下级别的信息，每次大小超过size，则这size大小的日志会自动存入按年份-月份建立的文件夹下面并进行压缩，作为存档 -->
         <RollingFile name="RollingFileInfo" fileName="${sys:logging.path}/logs/overtime.log" filePattern="${sys:logging.path}/logs/$${date:yyyy-MM-dd}/info-%d{yyyy-MM-dd}-%i.log">
             <!--控制台只输出level及以上级别的信息（onMatch），其他的直接拒绝（onMismatch） -->
             <ThresholdFilter level="debug" onMatch="ACCEPT" onMismatch="DENY" />
-            <!--<Filters>-->
-            <!--<ThresholdFilter level="INFO"/>-->
-            <!--<ThresholdFilter level="WARN" onMatch="DENY"-->
-            <!--onMismatch="NEUTRAL"/>-->
-            <!--</Filters>-->
-            <PatternLayout  charset="UTF-8" pattern="${console_log_pattern}"/>
+            <PatternLayout charset="UTF-8" pattern="${console_log_pattern}"/>
             <Policies>
                 <!-- 归档每天的文件 -->
-                <!--<TimeBasedTriggeringPolicy interval="1" modulate="true"/>-->
                 <TimeBasedTriggeringPolicy />
                 <!-- 限制单个文件大小 -->
                 <SizeBasedTriggeringPolicy size="${EVERY_FILE_SIZE}"/>
             </Policies>
             <!-- 限制每天文件个数 --> <!-- DefaultRolloverStrategy属性如不设置，则默认为最多同一文件夹下7个文件，这里设置了100 -->
-            <DefaultRolloverStrategy  max="256">
+            <DefaultRolloverStrategy max="256">
                 <Delete basePath="${sys:logging.path}/logs/" maxDepth="3">
                     <IfFileName glob="*/*info*.log"/>
                     <IfLastModified age="${KEEP_LOG_DAY}"/>
@@ -58,19 +45,15 @@
     <!--然后定义logger，只有定义了logger并引入的appender，appender才会生效 -->
     <loggers>
         <!--过滤掉spring和mybatis的一些无用的DEBUG信息 -->
-        <logger name="org.springframework" level="debug" >
-            <ThresholdFilter level="debug"/>
+        <logger name="org.springframework" level="debug" additivity="false">
             <appender-ref ref="RollingFileInfo" />
         </logger>
-        <logger name="org.mybatis" level="DEBUG" >
-            <ThresholdFilter level="debug"/>
+        <logger name="org.mybatis" level="debug" additivity="false">
             <appender-ref ref="RollingFileInfo" />
         </logger>
-        <logger name="com.canrd.shop" level="DEBUG" >
-            <ThresholdFilter level="debug"/>
+        <logger name="com.canrd.shop" level="debug" additivity="false">
             <appender-ref ref="RollingFileInfo" />
         </logger>
-        <!--<root level="all">-->
         <root level="debug">
             <appender-ref ref="Console" />
         </root>
@@ -6,8 +6,8 @@
         <result column="name" property="name"/>
     </resultMap>
-    <select id="selectAll" resultMap="BaseResultMap">
-        select distinct p.id,p.name,p.productImageListStore,p.htmlFilePath
+    <select id="queryAll" resultMap="BaseResultMap">
+        select distinct p.id,p.name,p.productImageListStore,p.htmlFilePath,pc.id as pcid
         from product p
             left join productcategoryrelation pcr on p.id=pcr.productId
             left join productcategory pc on pc.id=pcr.categoryId
@@ -16,8 +16,8 @@
         ${ew.customSqlSegment}
     </select>
-    <select id="selectList" resultMap="BaseResultMap">
-        select distinct p.id,p.name,p.productImageListStore,p.htmlFilePath
+    <select id="queryList" resultMap="BaseResultMap">
+        select distinct p.id,p.name,p.productImageListStore,p.htmlFilePath,p.productCategory_id,pc.id as pcid
         from product p
                  left join productcategoryrelation pcr on p.id=pcr.productId
                  left join productcategory pc on pc.id=pcr.categoryId
@@ -26,4 +26,20 @@
                 left join tickettype tt on p.id=tt.productId
             ${ew.customSqlSegment}
     </select>
+
+    <select id="selectAll" resultMap="BaseResultMap">
+        select distinct p.id,p.name,p.productImageListStore,p.htmlFilePath,pc.id as pcid
+        from product p
+                 left join productcategoryrelation pcr on p.id=pcr.productId
+                 left join productcategory pc on pc.id=pcr.categoryId
+            ${ew.customSqlSegment}
+    </select>
+
+    <select id="selectList" resultMap="BaseResultMap">
+        select distinct p.id,p.name,p.productImageListStore,p.htmlFilePath,p.productCategory_id,pc.id as pcid
+        from product p
+                 left join productcategoryrelation pcr on p.id=pcr.productId
+                 left join productcategory pc on pc.id=pcr.categoryId
+            ${ew.customSqlSegment}
+    </select>
 </mapper>
 \ No newline at end of file
+package com.order.erp.domain.model;
+
+import com.baomidou.mybatisplus.annotation.TableName;
+import com.baomidou.mybatisplus.annotation.IdType;
+import java.time.LocalDateTime;
+import com.baomidou.mybatisplus.annotation.TableId;
+import java.io.Serializable;
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.experimental.Accessors;
+
+/**
+ * <p>
+ * 
+ * </p>
+ *
+ * @author author
+ * @since 2024-11-14
+ */
+@Data
+@EqualsAndHashCode(callSuper = false)
+@Accessors(chain = true)
+@TableName("productcategoryrelation")
+@ApiModel(value="Productcategoryrelation对象", description="")
+public class Productcategoryrelation implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    private String productId;
+
+    private String categoryId;
+
+    private LocalDateTime modifyDate;
+
+
+}
+package com.order.erp.mapper;
+
+import com.order.erp.domain.model.Productcategoryrelation;
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+
+/**
+ * <p>
+ *  Mapper 接口
+ * </p>
+ *
+ * @author author
+ * @since 2024-11-14
+ */
+public interface ProductcategoryrelationMapper extends BaseMapper<Productcategoryrelation> {
+
+}
+package com.order.erp.service;
+
+import com.order.erp.domain.model.Productcategoryrelation;
+import com.baomidou.mybatisplus.extension.service.IService;
+
+/**
+ * <p>
+ *  服务类
+ * </p>
+ *
+ * @author author
+ * @since 2024-11-14
+ */
+public interface IProductcategoryrelationService extends IService<Productcategoryrelation> {
+
+}
+package com.order.erp.service.impl;
+
+import com.order.erp.domain.model.Productcategoryrelation;
+import com.order.erp.mapper.ProductcategoryrelationMapper;
+import com.order.erp.service.IProductcategoryrelationService;
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import org.springframework.stereotype.Service;
+
+/**
+ * <p>
+ *  服务实现类
+ * </p>
+ *
+ * @author author
+ * @since 2024-11-14
+ */
+@Service
+public class ProductcategoryrelationServiceImpl extends ServiceImpl<ProductcategoryrelationMapper, Productcategoryrelation> implements IProductcategoryrelationService {
+
+}
+<?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.order.erp.mapper.ProductcategoryrelationMapper">
+
+    <!-- 通用查询映射结果 -->
+    <resultMap id="BaseResultMap" type="com.order.erp.domain.model.Productcategoryrelation">
+        <result column="productId" property="productId" />
+        <result column="categoryId" property="categoryId" />
+        <result column="modifyDate" property="modifyDate" />
+    </resultMap>
+
+    <!-- 通用查询结果列 -->
+    <sql id="Base_Column_List">
+        productId, categoryId, modifyDate
+    </sql>
+
+</mapper>