上传文件

src/main/resources/mapper/template/SmartTeachingMapper.xml

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+<?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.template.mapper.SmartTeachingMapper">
+    <resultMap type="com.template.model.vo.UserSubjectVo" id="smartTeachingMap">
+        <result property="id" column="id"/>
+        <result property="userId" column="user_id"/>
+        <result property="subjectId" column="subject_id"/>
+        <result property="subjectName" column="subject_name"/>
+        <result property="gradeId" column="grade_id"/>
+        <result property="gradeName" column="grade_name"/>
+        <result property="classId" column="class_id"/>
+        <result property="className" column="class_name"/>
+    </resultMap>
+    <select id="querySmartTeachings" resultType="com.template.model.vo.UserSubjectVo" resultMap="smartTeachingMap">
+        select
+        st.id,st.user_id,
+        st.subject_id,ss.name as subject_name,
+        st.grade_id,sg.name as grade_name,
+        st.class_id,sc.name as class_name
+        from smart_teaching st
+        left join smart_grade sg on sg.deleted = 0 and sg.id = st.grade_id
+        left join smart_subject ss on ss.deleted = 0 and ss.id = st.subject_id
+        left join smart_class sc on sc.deleted = 0 and sc.id = st.class_id
+        where st.deleted = 0
+        <if test="userIds != null and userIds.size() > 0">
+            and st.user_id in
+            <foreach collection="userIds" item="userId" index="index" open="(" close=")" separator=",">
+                ${userId}
+            </foreach>
+        </if>
+    </select>
+</mapper>