UserRoleMapper.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.meishu.mapper.UserRoleMapper">

    <!-- 通用查询映射结果 -->
    <resultMap id="BaseResultMap" type="com.meishu.model.UserRoleDO">
        <id column="id" property="id" />
        <result column="create_date" property="createDate" />
        <result column="update_date" property="updateDate" />
        <result column="user_id" property="userId" />
        <result column="user_name" property="userName" />
        <result column="gender" property="gender" />
        <result column="birthday" property="birthday" />
        <result column="email" property="email" />
        <result column="img_url" property="imgUrl" />
        <result column="user_status" property="userStatus" />
        <result column="register_method" property="registerMethod" />
        <result column="role_type" property="roleType" />
        <result column="session" property="session" />
        <result column="classes_id" property="classesId" />
        <result column="phone" property="phone" />
        <result column="password" property="password" />
        <result column="id_card" property="idCard" />
        <result column="open_id" property="openId" />
    </resultMap>

    <!-- 通用查询结果列 -->
    <sql id="Base_Column_List">
        create_date,
        update_date,
        id, user_id, user_name, gender, birthday, email, img_url, user_status, register_method, role_type, session, classes_id, phone, password, id_card, open_id
    </sql>

    <select id="queryStudents"  resultType="com.meishu.vo.userrole.QueryStudentsVO">
        SELECT
            t.id,
            t.user_name,
            t.study_code,
            t.phone,
            t.id_card,
            t3.grade,
            t.`session`,
            t.gender,
            t.email,
            t3.class_name,
            t.user_status
        FROM
            user_role t
            LEFT JOIN classes_user_mapping t2 ON t.id = t2.user_id
            LEFT JOIN classes_dict t3 ON t2.classes_id = t3.id
        WHERE
            1=1  and  t.delete_date is null and t2.delete_date is null
            <if test="userName != null and userName !=''">
                and t.user_name like concat('%',#{userName} ,'%')
            </if>
            <if test="grade != null and userName !=''">
                and t3.grade = #{grade}
            </if>
            <if test="session != null and session != ''">
                and t.session = #{session}
            </if>
            <if test="userStatus != null and userStatus !=''">
                and t.user_status = #{userStatus}
            </if>
    </select>

    <select id="exportStudents" resultType="com.meishu.vo.userrole.QueryStudentsVO">
        SELECT
            t.user_name,
            t.study_code,
            t.phone,
            t.id_card,
            t3.grade,
            t.`session`,
            t.gender,
            t.email,
            t3.class_name,
            t.user_status
        FROM
            user_role t
        LEFT JOIN classes_user_mapping t2 ON t.id = t2.user_id
        LEFT JOIN classes_dict t3 ON t2.classes_id = t3.id
        WHERE
            t2.`status` = 1
        <if test="userName != null and userName !=''">
            and t.user_name like concat('%',#{userName} ,'%')
        </if>
        <if test="grade != null and userName !=''">
            and t3.grade = #{grade}
        </if>
        <if test="session != null and session != ''">
            and t.session = #{session}
        </if>
        <if test="userStatus != null and userStatus !=''">
            and t.user_status = #{userStatus}
        </if>
    </select>


    <select id="findOpenIdByClassId" parameterType="integer" resultType="com.meishu.model.UserRoleDO">
    SELECT
        t2.user_name,
        t2.open_id
    FROM
        classes_user_mapping t
        LEFT JOIN user_role t2 ON t.user_id = t2.id
    WHERE
        t.classes_id = #{id}
        and open_id is not NULL
    </select>


</mapper>