src/com/shop/mapper/OsProductParameterMapper.xml

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<?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.shop.dao.OsProductParameterMapper">
  <resultMap id="BaseResultMap" type="com.shop.po.OsProductParameter">
    <id column="product_parameter_id" jdbcType="BIGINT" property="productParameterId" />
    <result column="product_id" jdbcType="BIGINT" property="productId" />
    <result column="name" jdbcType="VARCHAR" property="name" />
    <result column="value" jdbcType="VARCHAR" property="value" />
    <result column="sort" jdbcType="INTEGER" property="sort" />
    <result column="create_time" jdbcType="TIMESTAMP" property="createTime" />
    <result column="update_time" jdbcType="TIMESTAMP" property="updateTime" />
  </resultMap>
  <sql id="Base_Column_List">
    product_parameter_id, product_id, name, value, sort, create_time, update_time
  </sql>
  <select id="selectByPrimaryKey" parameterType="java.lang.Long" resultMap="BaseResultMap">
    select 
    <include refid="Base_Column_List" />
    from os_product_parameter
    where product_parameter_id = #{productParameterId,jdbcType=BIGINT}
  </select>
  
  <select id="selectByProductId" parameterType="java.lang.Long" resultMap="BaseResultMap">
    select 
    <include refid="Base_Column_List" />
    from os_product_parameter
    where product_id = #{productId,jdbcType=BIGINT}
  </select>
  
  <delete id="deleteByPrimaryKey" parameterType="java.lang.Long">
    delete from os_product_parameter
    where product_parameter_id = #{productParameterId,jdbcType=BIGINT}
  </delete>
  <insert id="insert" parameterType="com.shop.po.OsProductParameter">
    insert into os_product_parameter (product_parameter_id, product_id, name, 
      value, sort, create_time, 
      update_time)
    values (#{productParameterId,jdbcType=BIGINT}, #{productId,jdbcType=BIGINT}, #{name,jdbcType=VARCHAR}, 
      #{value,jdbcType=VARCHAR}, #{sort,jdbcType=INTEGER}, #{createTime,jdbcType=TIMESTAMP}, 
      #{updateTime,jdbcType=TIMESTAMP})
  </insert>
  <insert id="insertSelective" parameterType="com.shop.po.OsProductParameter">
    insert into os_product_parameter
    <trim prefix="(" suffix=")" suffixOverrides=",">
      <if test="productParameterId != null">
        product_parameter_id,
      </if>
      <if test="productId != null">
        product_id,
      </if>
      <if test="name != null">
        name,
      </if>
      <if test="value != null">
        value,
      </if>
      <if test="sort != null">
        sort,
      </if>
      <if test="createTime != null">