snd-escloud/target/classes/mapper/questionnaire/QuestionnaireDao.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="platform.modules.questionnaire.dao.QuestionnaireDao">

    <select id="findQuestionnaires" resultType="platform.modules.questionnaire.entity.Questionnaire">
        select * from qn_questionnaire where del_flag = 0
        <if test="name != null and name != ''">
            AND questionnaire_name = #{name}
        </if>

    </select>

</mapper>