TaskFileRelationMapper.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.ruoyi.mapper.TaskFileRelationMapper">

    <resultMap id="BaseResultMap" type="com.ruoyi.domain.TaskFileRelation">
        <result property="taskId" column="task_id" jdbcType="BIGINT"/>
        <result property="url" column="url" jdbcType="VARCHAR"/>
        <result property="name" column="name" jdbcType="VARCHAR"/>
    </resultMap>
    <select id="findByTaskId" resultType="com.ruoyi.domain.TaskFileRelation">
        select task_id,url,name from t_task_file_relation
        where task_id = #{taskId}
    </select>

</mapper>