PlayEdu/playedu-course/src/main/resources/mapper/UserCourseRecordMapper.xml

<?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="xyz.playedu.course.mapper.UserCourseRecordMapper">

    <resultMap id="BaseResultMap" type="xyz.playedu.course.domain.UserCourseRecord">
            <id property="id" column="id" jdbcType="INTEGER"/>
            <result property="userId" column="user_id" jdbcType="INTEGER"/>
            <result property="courseId" column="course_id" jdbcType="INTEGER"/>
            <result property="hourCount" column="hour_count" jdbcType="INTEGER"/>
            <result property="finishedCount" column="finished_count" jdbcType="INTEGER"/>
            <result property="progress" column="progress" jdbcType="INTEGER"/>
            <result property="isFinished" column="is_finished" jdbcType="TINYINT"/>
            <result property="finishedAt" column="finished_at" jdbcType="TIMESTAMP"/>
            <result property="createdAt" column="created_at" jdbcType="TIMESTAMP"/>
            <result property="updatedAt" column="updated_at" jdbcType="TIMESTAMP"/>
    </resultMap>

    <sql id="Base_Column_List">
        id,user_id,course_id,
        hour_count,finished_count,progress,
        is_finished,finished_at,created_at,
        updated_at
    </sql>
    <select id="paginateTotal" resultType="java.lang.Long">
        SELECT count(1)
        FROM `user_course_records`
        INNER JOIN `users` ON `users`.`id` = `user_course_records`.`user_id`
        <where>
            <if test="courseId != null">
                AND `user_course_records`.`course_id` = #{courseId}
            </if>
            <if test="isFinished != null">
                AND `user_course_records`.`is_finished` = #{isFinished}
            </if>
            <if test="userId != null">
                AND `user_course_records`.`user_id` = #{userId}
            </if>
            <if test="name != null and name != ''">
                AND `users`.`name` LIKE concat('%',#{name},'%')
            </if>
            <if test="email != null and email != ''">
                AND `users`.`email` = #{email}
            </if>
            <if test="idCard != null and idCard != ''">
                AND `users`.`id_card` = #{idCard}
            </if>
        </where>
    </select>
    <select id="paginate" resultType="xyz.playedu.course.domain.UserCourseRecord">
        SELECT `user_course_records`.*
        FROM `user_course_records`
        INNER JOIN `users` ON `users`.`id` = `user_course_records`.`user_id`
        <where>
            <if test="courseId != null">
                AND `user_course_records`.`course_id` = #{courseId}
            </if>
            <if test="isFinished != null">
                AND `user_course_records`.`is_finished` = #{isFinished}
            </if>
            <if test="userId != null">
                AND `user_course_records`.`user_id` = #{userId}
            </if>
            <if test="name != null and name != ''">
                AND `users`.`name` LIKE concat('%',#{name},'%')
            </if>
            <if test="email != null and email != ''">
                AND `users`.`email` = #{email}
            </if>
            <if test="idCard != null and idCard != ''">
                AND `users`.`id_card` = #{idCard}
            </if>
        </where>
        <if test="sortAlgo == 'asc'">
            <choose>
                <when test="sortField == 'finished_count'">
                    ORDER BY `user_course_records`.`finished_count` ASC
                </when>
                <when test="sortField == 'progress'">
                    ORDER BY `user_course_records`.`progress` ASC
                </when>
                <when test="sortField == 'finished_at'">
                    ORDER BY `user_course_records`.`finished_at` ASC
                </when>
                <when test="sortField == 'created_at'">
                    ORDER BY `user_course_records`.`created_at` ASC
                </when>
                <otherwise>
                    ORDER BY `user_course_records`.`id` ASC
                </otherwise>
            </choose>
        </if>
        <if test="sortAlgo != 'asc'">
            <choose>
                <when test="sortField == 'finished_count'">
                    ORDER BY `user_course_records`.`finished_count` DESC
                </when>
                <when test="sortField == 'progress'">
                    ORDER BY `user_course_records`.`progress` DESC
                </when>
                <when test="sortField == 'finished_at'">
                    ORDER BY `user_course_records`.`finished_at` DESC
                </when>
                <when test="sortField == 'created_at'">
                    ORDER BY `user_course_records`.`created_at` DESC
                </when>
                <otherwise>
                    ORDER BY `user_course_records`.`id` DESC
                </otherwise>
            </choose>
        </if>
        LIMIT #{pageStart}, #{pageSize};
    </select>
</mapper>