mybatis如何批量更新list对象

url: jdbc:mysql://192.168.6.11:3306/equipment_im_dev?serverTimezone=Asia/Shanghai&characterEncoding=utf8&useUnicode=true&useSSL=false&allowMultiQueries=true

allowMultiQueries=true

> void updateAllRepairedPosition(@Param("repairInfos") List<RepairInfo>   repairInfos);

  <update id="updateAllRepairedPosition">
        <foreach collection="repairInfos" item="repairInfo" separator=";"  index="index">
            update repair_info
            <set>
                <if test="repairInfo.repairManName!=null and repairInfo.repairManName!=''">
                    repair_man_name=#{repairInfo.repairManName},
                </if>
                <if test="repairInfo.repairCosts!=null">
                    repair_costs=#{repairInfo.repairCosts},
                </if>
                <if test="repairInfo.fittings!=null and repairInfo.fittings!=''">
                    fittings=#{repairInfo.fittings},
                </if>
                <if test="repairInfo.picture!=null and repairInfo.picture!=''">
                    picture=#{repairInfo.picture},
                </if>
                <if test="repairInfo.remark!=null and repairInfo.remark!=''">
                    remark=#{repairInfo.remark},
                </if>
            </set>
                <where>
                    id=#{repairInfo.id}
                </where>
        </foreach>
    </update>