gold-java/src/main/resources/mapper/ExportMapper.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.example.demo.mapper.coin.ExportMapper">
    <update id="updateExportData">
        UPDATE export
        <set>
            <if test="state != null">state = #{state},</if>
            <if test="url != null and url != ''">url = #{url},</if>
            <if test="reason != null and reason != ''">reason = #{reason},</if>
            <if test="dataNum != null and dataNum != ''">data_num = #{dataNum},</if>
        </set>
        WHERE id = #{recordId}
        </update>

    <select id="getExportData" resultType="com.example.demo.domain.vo.coin.ExportVo">
        select id,file_name,url,state from export where id=#{recordId}
    </select>
    <select id="getExportRecord" resultType="com.example.demo.domain.entity.Export">
        select * from export
        <where>
            <if test="account != null">
                and account = #{account}
            </if>
            <if test="type != null">
                and type = #{type}
            </if>
        </where>
        order by create_time desc
    </select>
</mapper>