zhuguifei
2025-04-28 442928123f63ee497d766f9a7a14f0a6ee067e25
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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.board.mapper.BoardMapper">
    <select id="queryPageListBySql" resultType="java.util.HashMap">
 
          select * from demo a join test b on a.id = b.id
          where  1 = 1
        <if test="demo!=null">
              and a.demo = #{demo}
          </if>
 
        ORDER BY create_time DESC
    </select>
 
</mapper>