generator/src/main/resources/template/Mapper.xml.vm

<?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="${package}.${moduleName}.common.dao.${className}Mapper">

  <resultMap id="${classname}Map" type="${package}.${moduleName}.common.model.${className}">
#foreach($column in $columns)
#if($column.lowerAttrName==$pk.lowerAttrName)
    <id column="${pk.columnName}" property="${pk.lowerAttrName}" />
#else
    <result column="${column.columnName}" property="${column.lowerAttrName}"/>
#end
#end
  </resultMap>
</mapper>