<?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="io.hmit.modules.demo.dao.NewsDao"> <select id="getList" resultType="io.hmit.modules.demo.entity.NewsEntity"> select * from tb_news where 1 = 1 <if test="title != null and title.trim() != ''"> and title like #{title} </if> <if test="startDate != null and startDate.trim() != ''"> and pub_date >= #{startDate} </if> <if test="endDate != null and endDate.trim() != ''"> <![CDATA[and pub_date <= #{endDate}]]> </if> </select> </mapper>