JdcProject/src/main/java/com/jdc/jdcproject/mapper/xml/RenyuanjiegouLaowuMapper.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.jdc.jdcproject.mapper.RenyuanjiegouLaowuMapper">

</mapper>