添加文件上传下载功能

hyingbo

2025-05-30 5d4112fa1bbd47dc6e7b9c0d239e34b020776924

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<?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="org.jeecg.modules.demo.test.mapper.JeecgOrderMainMapper">
 
</mapper>