MyBatis 插入数据返回ID

<?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="goods">
    <insert id="insert" parameterType="com.imooc.mybatis.entity.Goods">
        insert into t_goods(title,sub_title,original_cost,current_price,discount,is_free_delivery,category_id)
        values (#{title},#{subTitle},#{originalCost},#{currentPrice},#{discount},#{isFreeDelivery},#{categoryId})
        <!--order：after 表示在上面语句执行后操作。resultType：设置的函数的返回值类型，keyProperty：要设置的
         上面语句执行完毕后，执行下面的sql语句，将得到的值回添到goodsid属性中-->
        <selectKey resultType="integer" keyProperty="id" order="AFTER">
           <!-- 获取当前连接最后产生的id号,并自动填充给goods里面的id主键属性-->
            select last_insert_id()
        </selectKey>
    </insert>
</mapper>

<insert id="insert" parameterType="top.xiongmingcai.entity.Goods"
    useGeneratedKeys="true"
    keyProperty="goodsId" keyColumn="goods_id">
        INSERT INTO ......
</insert>