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>