PaperDictMapper.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="com.subsidy.mapper.PaperDictMapper">

    <!-- 通用查询映射结果 -->
    <resultMap id="BaseResultMap" type="com.subsidy.model.PaperDictDO">
        <id column="id" property="id" />
        <result column="create_date" property="createDate" />
        <result column="update_date" property="updateDate" />
        <result column="delete_date" property="deleteDate" />
        <result column="course_id" property="courseId" />
        <result column="paper_name" property="paperName" />
        <result column="paper_status" property="paperStatus" />
    </resultMap>

    <!-- 通用查询结果列 -->
    <sql id="Base_Column_List">
        create_date,
        update_date,
        delete_date,
        id, course_id, paper_name, paper_status
    </sql>

    <select id="queryPapers" parameterType="com.subsidy.model.PaperDictDO" resultType="com.subsidy.vo.paper.QueryPapersVO">
        SELECT
            id,
            paper_name,
            paper_status
        FROM
            paper_dict t
        WHERE
            t.delete_date is null
            and t.course_id = #{courseId}
        <if  test="paperName != null and paperName !=''">
            AND t.paper_name LIKE concat('%',#{paperName} ,'%')
        </if>
        <if test="paperStatus != null and paperStatus !=''">
            AND t.paper_status = #{paperStatus}
        </if>
    </select>

    <select id="completeCount"  resultType="integer">
        SELECT
            count( DISTINCT t.member_id ) AS cnt
        FROM
            exercise_done_result t
        WHERE
            t.delete_date IS NULL
            AND t.paper_id = #{paperId}
            and t.class_id = #{classId}
    </select>

    <select id="queryCoursePapersCnt" parameterType="long" resultType="integer">
        SELECT
            count( 1 )
        FROM
            paper_dict t
        WHERE
            t.delete_date IS NULL
            AND t.course_id = #{courseId}
    </select>

</mapper>