<?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.huaheng.pc.draw.mapper.DrawMapper"> <select id="selectDraw" resultType="com.huaheng.pc.draw.domain.Draw"> SELECT id,no,name,fname,creator,tsize,ctime FROM PLMHH.DWGSW where 1=1 <if test="no != null and no != ''"> and no like concat(#{no},'%') </if> and ROWNUM = 1 </select> </mapper>