backend_dormitory/src/main/resources/mapper/template/WelcomeAccountMapper.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.template.mapper.WelcomeAccountMapper">


    <select id="listAccount" resultType="com.template.model.vo.WelcomeAccountVo">
        SELECT
            wa.*
        FROM
            `welcome_account` wa
                LEFT JOIN welcome_role wr ON wr.id = wa.role_id
                AND wr.deleted = 0
        WHERE
            wa.deleted = 0
        <if test="status != null and status != ''">
            and wa.status = #{status}
        </if>

        <if test="keyWord != null and keyWord != ''">
            and wa.name like '%' #{keyWord} '%'
        </if>

        <if test="startTime != null and startTime != '' and endTime != null and endTime != '' ">
            and wa.create_time >= #{startTime} and #{endTime} >= wa.create_time
        </if>

        ORDER BY
            wa.create_time
    </select>
</mapper>