sourcecode/server/data/src/main/java/com/qxgmat/data/relation/mapping/ExercisePaperRelationMapper.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.qxgmat.data.relation.ExercisePaperRelationMapper">
  <resultMap id="IdMap" type="com.qxgmat.data.dao.entity.ExercisePaper">
    <!--
      WARNING - @mbg.generated
    -->
    <id column="id" jdbcType="INTEGER" property="id" />
  </resultMap>
  <resultMap id="placeMap" type="com.qxgmat.data.dao.entity.ExercisePaper">
    <!--
      WARNING - @mbg.generated
    -->
    <id column="logic_extend" jdbcType="VARCHAR" property="logicExtend" />
  </resultMap>
  <sql id="Id_Column_List">
    <!--
      WARNING - @mbg.generated
    -->
    ep.`id`
  </sql>

  <!--获取考点分组所有考点信息-->
  <select id="groupPlace" resultMap="placeMap">
    select
    ep.`logic_extend`
    from `exercise_paper` ep
    where ep.`logic` = "place" and ep.`status` = 1
    <if test="structId != null">
      and (ep.`struct_three` = #{structId,jdbcType=VARCHAR} or ep.`struct_four` = #{structId,jdbcType=VARCHAR})
    </if>
    group by ep.`logic_extend`
  </select>

  <!--
    用户练习-练习册列表: 用户端
  -->
  <select id="listWithUser" resultMap="IdMap">
    select
    <include refid="Id_Column_List" />
    from `exercise_paper` ep
    <if test="userId != null">
    left join `user_paper` up on ep.`id` = up.`origin_id`
      and up.`paper_origin` = 'exercise'
      and up.`user_id` = #{userId,jdbcType=VARCHAR}
      <if test="times != null">
        <if test="times == 0">
          and up.`times` = 0
        </if>
        <if test="times > 0">
          and up.`times` >= #{times,jdbcType=VARCHAR}
        </if>
      </if>
    </if>
    where ep.`status` = 1
    <if test="structId != null">
      and (ep.`struct_three` = #{structId,jdbcType=VARCHAR} or ep.`struct_four` = #{structId,jdbcType=VARCHAR})
    </if>
    <if test="userId != null">
      <if test="times == 0">
        and (up.`id` &gt; 0 or up.`id` is null)
      </if>
      <if test="times > 0">
        and up.`id` &gt; 0
      </if>
    </if>
    <if test="logic != null">
      and ep.`logic` = #{logic,jdbcType=VARCHAR}
      <if test="logicExtend != null">
        and ep.`logic_extend` = #{logicExtend,jdbcType=VARCHAR}
      </if>
    </if>
  </select>
</mapper>