From 940e0b471ac3aa5e0b85979ab9cf7116eb76d383 Mon Sep 17 00:00:00 2001
From: Artyom <2750916302@qq.com>
Date: Wed, 18 Dec 2024 20:45:07 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=E8=8F=9C=E5=93=81=E5=A5=97?=
 =?UTF-8?q?=E9=A4=90=E6=A8=A1=E5=9D=97=E9=85=8D=E7=BD=AE=E6=96=87=E4=BB=B6?=
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---
 .../src/main/resources/mapper/DishMapper.xml   | 18 +++++++++++++-----
 .../resources/mapper/SetmealDishMapper.xml     | 18 +++++++++++++++---
 .../main/resources/mapper/SetmealMapper.xml    | 10 +++++++++-
 3 files changed, 37 insertions(+), 9 deletions(-)

diff --git a/sky-server/src/main/resources/mapper/DishMapper.xml b/sky-server/src/main/resources/mapper/DishMapper.xml
index bd022c8..9e1360f 100644
--- a/sky-server/src/main/resources/mapper/DishMapper.xml
+++ b/sky-server/src/main/resources/mapper/DishMapper.xml
@@ -1,21 +1,25 @@
 <?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" >
+<!-- 定义MyBatis的映射文件，namespace指定对应的Java接口 -->
 <mapper namespace="com.sky.mapper.DishMapper">
 
+    <!-- 插入一条新的菜品记录，并返回生成的主键ID -->
     <insert id="insert" useGeneratedKeys="true" keyProperty="id">
         insert into dish (name, category_id, price, image, description, create_time, update_time, create_user, update_user, status)
         values
-        (#{name},#{categoryId},#{price},#{image},#{description},#{createTime},#{updateTime},#{createUser},#{updateUser},#{status})
+            (#{name},#{categoryId},#{price},#{image},#{description},#{createTime},#{updateTime},#{createUser},#{updateUser},#{status})
     </insert>
 
+    <!-- 根据多个ID删除菜品记录 -->
     <delete id="deleteByIds">
         delete from dish where id in
-             <foreach collection="ids" item="id" open="(" close=")" separator=",">
-                 #{id}
-             </foreach>
-
+        <foreach collection="ids" item="id" open="(" close=")" separator=",">
+            #{id}
+        </foreach>
     </delete>
+
+    <!-- 分页查询菜品信息，根据条件进行筛选 -->
     <select id="pageQuery" resultType="com.sky.vo.DishVO" parameterType="com.sky.dto.DishPageQueryDTO">
         select d.*,cg.name categoryName from dish d,category cg
         <where>
@@ -32,6 +36,8 @@
         </where>
         order by d.create_time desc
     </select>
+
+    <!-- 根据分类ID获取菜品列表 -->
     <select id="getByCategoryId" resultType="com.sky.entity.Dish">
         select * from dish
         <where>
@@ -48,6 +54,7 @@
         order by create_time desc
     </select>
 
+    <!-- 更新菜品信息 -->
     <update id="update" parameterType="com.sky.entity.Dish">
         update dish
         <set>
@@ -79,6 +86,7 @@
         where id = #{id}
     </update>
 
+    <!-- 根据状态和分类ID统计菜品数量 -->
     <select id="countByMap" resultType="java.lang.Integer">
         select count(id) from dish
         <where>
diff --git a/sky-server/src/main/resources/mapper/SetmealDishMapper.xml b/sky-server/src/main/resources/mapper/SetmealDishMapper.xml
index 41f3d1b..2830d12 100644
--- a/sky-server/src/main/resources/mapper/SetmealDishMapper.xml
+++ b/sky-server/src/main/resources/mapper/SetmealDishMapper.xml
@@ -1,29 +1,41 @@
 <?xml version="1.0" encoding="UTF-8" ?>
+<!-- 定义XML文档的版本和编码 -->
 <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
+<!-- 声明这是一个MyBatis的映射文件，并指定DTD的位置 -->
 <mapper namespace="com.sky.mapper.SetmealDishMapper">
+    <!-- 定义命名空间，通常对应于一个Java接口 -->
 
     <insert id="insertBatch">
+        <!-- 定义一个插入操作，id为insertBatch -->
         insert into setmeal_dish(setmeal_id, dish_id, name, price, copies)
         values
-            <foreach collection="list" item="setmealDish" separator=",">
-                (#{setmealDish.setmealId},#{setmealDish.dishId},#{setmealDish.name},#{setmealDish.price},#{setmealDish.copies})
-            </foreach>
+        <foreach collection="list" item="setmealDish" separator=",">
+            <!-- 使用foreach循环遍历传入的list集合，每个元素命名为setmealDish -->
+            (#{setmealDish.setmealId},#{setmealDish.dishId},#{setmealDish.name},#{setmealDish.price},#{setmealDish.copies})
+            <!-- 将每个setmealDish对象的属性值插入到数据库中 -->
+        </foreach>
     </insert>
 
     <delete id="deleteBySetmealIds">
+        <!-- 定义一个删除操作，id为deleteBySetmealIds -->
         delete from setmeal_dish
         where setmeal_id in
         <foreach collection="setmealIds" item="setmealId" open="(" close=")" separator=",">
+            <!-- 使用foreach循环遍历传入的setmealIds集合，每个元素命名为setmealId -->
             #{setmealId}
+            <!-- 将每个setmealId的值用于SQL语句中的IN条件 -->
         </foreach>
     </delete>
 
     <select id="getSetmealIdsByDishIds" resultType="java.lang.Long">
+        <!-- 定义一个查询操作，id为getSetmealIdsByDishIds，返回类型为java.lang.Long -->
         select setmeal_id from setmeal_dish
         where dish_id in
         <foreach collection="dishIds" item="dishId" separator="," open="(" close=")">
+            <!-- 使用foreach循环遍历传入的dishIds集合，每个元素命名为dishId -->
             #{dishId}
+            <!-- 将每个dishId的值用于SQL语句中的IN条件 -->
         </foreach>
     </select>
 </mapper>
diff --git a/sky-server/src/main/resources/mapper/SetmealMapper.xml b/sky-server/src/main/resources/mapper/SetmealMapper.xml
index cc98f70..400abcf 100644
--- a/sky-server/src/main/resources/mapper/SetmealMapper.xml
+++ b/sky-server/src/main/resources/mapper/SetmealMapper.xml
@@ -1,13 +1,16 @@
 <?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" >
+<!-- 定义MyBatis的映射文件，namespace指定对应的Java接口 -->
 <mapper namespace="com.sky.mapper.SetmealMapper">
 
-
+    <!-- 插入一条新的套餐记录 -->
     <insert id="insert">
         insert into setmeal(category_id, name, price, description, image, create_time, update_time, create_user, update_user,status)
         values(#{categoryId},#{name},#{price},#{description},#{image},#{createTime},#{updateTime},#{createUser},#{updateUser},#{status})
     </insert>
+
+    <!-- 根据多个ID批量删除套餐记录 -->
     <delete id="deleteBatch">
         delete from setmeal
         where id in
@@ -15,6 +18,8 @@
             #{id}
         </foreach>
     </delete>
+
+    <!-- 分页查询套餐信息，根据条件进行筛选 -->
     <select id="pageQuery" resultType="com.sky.vo.SetmealVO">
         select s.*,c.name categoryName from setmeal s,category c
         <where>
@@ -32,6 +37,7 @@
         order by s.create_time desc
     </select>
 
+    <!-- 更新套餐信息，包括关联的菜品信息 -->
     <update id="updateWithDish">
         update setmeal
         <set>
@@ -47,6 +53,7 @@
         where id = #{id}
     </update>
 
+    <!-- 根据条件查询套餐列表 -->
     <select id="list" parameterType="Setmeal" resultType="com.sky.entity.Setmeal">
         select * from setmeal
         <where>
@@ -62,6 +69,7 @@
         </where>
     </select>
 
+    <!-- 根据状态和分类ID统计套餐数量 -->
     <select id="countByMap" resultType="java.lang.Integer">
         select count(id) from setmeal
         <where>