RuoYi/ruoyi-generator/src/main/resources/vm/xml/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="${package}.mapper.${className}Mapper">
    
    <resultMap type="${className}" id="${className}Result">
#foreach ($column in $columns)
        <result property="${column.attrname}"    column="${column.columnName}"    />
#end
    </resultMap>
	
	<sql id="select${className}Vo">
        #foreach($column in $columns) $column.columnName#if($velocityCount != $columns.size()),#end#end
    </sql>
	
    <select id="select${className}List" parameterType="${className}" resultMap="${className}Result">
        select
        <include refid="select${className}Vo"/>
        from ${tableName}
        <where>  
#foreach($column in $columns)
            <if test="$column.attrname != null #if($column.attrType == 'String' ) and $column.attrname.trim() != '' #end"> and $column.columnName = #{$column.attrname}</if>
 #end
        </where>
    </select>

    
</mapper>