sql批量新增，修改

　　<insert id="insertExtDocList" parameterType="map">
        INSERT INTO extprjdoc
        (docName,createTime,extProjectId)
        VALUES
        <foreach collection="list" item="item" index="index" separator=","> <!--  list 为传来的集合数据 -->
            (#{item.docName},NOW(),#{extProjectId})
        </foreach>
    </insert>

    <update id="updateList" parameterType="map">
        UPDATE extprjdoc SET sendUnit = #{sendUnit},reveiceUnit = #{reveiceUnit}
        WHERE extProjectId IN
        <foreach collection="list" item="item" index="index" separator="," open="("
                 close=")">
            #{item}
        </foreach>
    </update>