From aa0b97e6698a918e7ef0478c4939d09160f0946e Mon Sep 17 00:00:00 2001
From: zhoushen <2013650704@qq.com>
Date: Sun, 15 Dec 2024 19:38:37 +0800
Subject: [PATCH] =?UTF-8?q?=E6=9B=BF=E6=8D=A2=E5=87=BD=E6=95=B0=E9=83=A8?=
 =?UTF-8?q?=E5=88=86?=
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---
 .../mall/mapper/CmsSubjectCategoryMapper.java | 36 ++++++++++---------
 1 file changed, 19 insertions(+), 17 deletions(-)

diff --git a/mall-mbg/src/main/java/com/macro/mall/mapper/CmsSubjectCategoryMapper.java b/mall-mbg/src/main/java/com/macro/mall/mapper/CmsSubjectCategoryMapper.java
index 08d673e..2d2d44c 100644
--- a/mall-mbg/src/main/java/com/macro/mall/mapper/CmsSubjectCategoryMapper.java
+++ b/mall-mbg/src/main/java/com/macro/mall/mapper/CmsSubjectCategoryMapper.java
@@ -1,30 +1,32 @@
-package com.macro.mall.mapper;
+package com.macro.mall.mapper; // 定义了该接口所属的包名，用于Java的包管理
 
-import com.macro.mall.model.CmsSubjectCategory;
-import com.macro.mall.model.CmsSubjectCategoryExample;
-import java.util.List;
-import org.apache.ibatis.annotations.Param;
+import com.macro.mall.model.CmsSubjectCategory; // 导入了CmsSubjectCategory实体类，用于数据库表的映射
+import com.macro.mall.model.CmsSubjectCategoryExample; // 导入了CmsSubjectCategoryExample类，用于构建查询条件
+import java.util.List; // 导入了List接口，用于存储查询结果集
+import org.apache.ibatis.annotations.Param; // 导入了MyBatis的Param注解，用于指定参数名称
 
-public interface CmsSubjectCategoryMapper {
-    long countByExample(CmsSubjectCategoryExample example);
+public interface CmsSubjectCategoryMapper { // 声明了一个MyBatis的Mapper接口，用于数据库操作
+    // 以下方法都是MyBatis映射的方法，用于数据库的CRUD操作
 
-    int deleteByExample(CmsSubjectCategoryExample example);
+    long countByExample(CmsSubjectCategoryExample example); // 根据example条件统计记录数
 
-    int deleteByPrimaryKey(Long id);
+    int deleteByExample(CmsSubjectCategoryExample example); // 根据example条件删除记录
 
-    int insert(CmsSubjectCategory record);
+    int deleteByPrimaryKey(Long id); // 根据主键id删除记录
 
-    int insertSelective(CmsSubjectCategory record);
+    int insert(CmsSubjectCategory record); // 插入一条CmsSubjectCategory记录
 
-    List<CmsSubjectCategory> selectByExample(CmsSubjectCategoryExample example);
+    int insertSelective(CmsSubjectCategory record); // 插入一条CmsSubjectCategory记录，只插入不为null的字段
 
-    CmsSubjectCategory selectByPrimaryKey(Long id);
+    List<CmsSubjectCategory> selectByExample(CmsSubjectCategoryExample example); // 根据example条件查询CmsSubjectCategory记录
 
-    int updateByExampleSelective(@Param("record") CmsSubjectCategory record, @Param("example") CmsSubjectCategoryExample example);
+    CmsSubjectCategory selectByPrimaryKey(Long id); // 根据主键id查询CmsSubjectCategory记录
 
-    int updateByExample(@Param("record") CmsSubjectCategory record, @Param("example") CmsSubjectCategoryExample example);
+    int updateByExampleSelective(@Param("record") CmsSubjectCategory record, @Param("example") CmsSubjectCategoryExample example); // 根据example条件更新CmsSubjectCategory记录，只更新不为null的字段
 
-    int updateByPrimaryKeySelective(CmsSubjectCategory record);
+    int updateByExample(@Param("record") CmsSubjectCategory record, @Param("example") CmsSubjectCategoryExample example); // 根据example条件更新CmsSubjectCategory记录
 
-    int updateByPrimaryKey(CmsSubjectCategory record);
+    int updateByPrimaryKeySelective(CmsSubjectCategory record); // 根据主键id更新CmsSubjectCategory记录，只更新不为null的字段
+
+    int updateByPrimaryKey(CmsSubjectCategory record); // 根据主键id更新CmsSubjectCategory记录
 }
\ No newline at end of file