mybatis xml标签，批量插入

<?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="mapper.AttachmentTableMapper">
    <resultMap id="BaseResultMap" type="model.AttachmentTable">
        <id column="id" jdbcType="INTEGER" property="id" />
        <result column="name" jdbcType="VARCHAR" property="name" />
        <result column="logID" jdbcType="INTEGER" property="logid" />
    </resultMap>
    <resultMap extends="BaseResultMap" id="ResultMapWithBLOBs" type="model.AttachmentTable">
        <result column="url" jdbcType="LONGVARCHAR" property="url" />
    </resultMap>
    <sql id="Base_Column_List">
        id, name, logID
    </sql>
    <sql id="Blob_Column_List">
        url
    </sql>
    <insert id="insert" parameterType="model.AttachmentTable">
        insert into attachment_table (id, name, logID,url)
        values (#{id,jdbcType=INTEGER}, #{name,jdbcType=VARCHAR}, #{logid,jdbcType=INTEGER},#{url,jdbcType=LONGVARCHAR})
    </insert>
    <insert id="insertByBatch" parameterType="java.util.List">
        insert into attachment_table (name, logID,url)
        values
        <foreach collection="list" item="item" index="index" separator=",">
            (#{item.name,jdbcType=VARCHAR}, #{item.logid,jdbcType=INTEGER},#{item.url,jdbcType=LONGVARCHAR})
        </foreach>
    </insert>
</mapper>