trunk/target/test-classes/modules/house/UserDao.xml

<?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="cn.ourwill.module.house.dao.UserDao">
    <sql id="columns">
        a.id,
        a.title,
        a.description
    </sql>
    <sql id="insertColumns">
        title,description
    </sql>
    <sql id="properties">
        #{title},
        #{description}
    </sql>

    <insert id="insert" parameterType="cn.ourwill.module.house.entity.User" keyColumn="id" keyProperty="id" useGeneratedKeys="true" >
        insert INTO user (<include refid="insertColumns"/>) VALUES (<include refid="properties"/>)
    </insert>

</mapper>