<?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.example.dao.UserMapper">
<select id="selectById" parameterType="long" resultType="org.example.domain.User"> select * from user where id = #{id} </select> </mapper>
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