mybatis中XML映射

相关概念

xml文件的配置，即搜索的小案例

查看代码

<?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.itheima.mapper.EmpMapper">
    <select id="ifsearch" resultType="com.itheima.pojo.Emp">
        select * from tb_emp where name like concat('%',#{name},'%') and gender=#{gender} and p_date between #{begin} and #{end}
    </select>
</mapper>