与传统的大批量生产相比,精益生产只需要一半的人员、一半的生产场地、一半的投资、一半的生产周期时间、一半的产品开发时间和少得多的库存,就能生产品质更高、品种更多的产品。它的基本思想就是:Just In Time (JIT),即“只在需要的时候,按需要的量,生产所需的产品”。因此,也称为JIT生产方式、准时制生产方式、适时生产方式或看板生产方式。本书将系统、全面地介绍这种生产方式,并加入实践案例,方便读者理解。
SHOW FULL COLUMNS FROM `ls_goods_category` [ RunTime:0.001511s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`is_show`,`is_recommend` FROM `ls_goods_category` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 1 ORDER BY `id` ASC,`sort` DESC [ RunTime:0.000448s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`is_show`,`is_recommend` FROM `ls_goods_category` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 2 ORDER BY `id` ASC,`sort` DESC [ RunTime:0.000672s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`is_show`,`is_recommend` FROM `ls_goods_category` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 3 ORDER BY `sort` DESC [ RunTime:0.000509s ]
SHOW FULL COLUMNS FROM `ls_nav` [ RunTime:0.000677s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`link`,`module`,`is_show`,`is_recommend` FROM `ls_nav` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 1 ORDER BY `id` ASC,`sort` DESC [ RunTime:0.000758s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`link`,`module`,`is_show`,`is_recommend` FROM `ls_nav` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 2 ORDER BY `id` ASC,`sort` DESC [ RunTime:0.000451s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`link`,`module`,`is_show`,`is_recommend` FROM `ls_nav` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 3 ORDER BY `sort` DESC [ RunTime:0.000599s ]
SHOW FULL COLUMNS FROM `ls_friendly_link` [ RunTime:0.000846s ]
SELECT * FROM `ls_friendly_link` WHERE `is_show` = 1 AND `del` = 0 ORDER BY `id` DESC,`sort` DESC [ RunTime:0.000403s ]
SHOW FULL COLUMNS FROM `ls_goods` [ RunTime:0.001509s ]
SELECT * FROM `ls_goods` WHERE `id` = 130691 AND `status` = 1 LIMIT 1 [ RunTime:0.000540s ]
UPDATE `ls_goods` SET `click_count` = 93 , `update_time` = 1793612205 WHERE `id` = 130691 [ RunTime:0.000601s ]
SELECT `name`,`first_category_id`,`second_category_id` FROM `ls_goods` WHERE `id` = 130691 LIMIT 1 [ RunTime:0.000496s ]
SELECT `id`,`name` FROM `ls_goods_category` WHERE `id` = 41 LIMIT 1 [ RunTime:0.000208s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`is_show`,`is_recommend` FROM `ls_goods_category` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 1 ORDER BY `id` ASC,`sort` DESC [ RunTime:0.000552s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`is_show`,`is_recommend` FROM `ls_goods_category` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 2 ORDER BY `id` ASC,`sort` DESC [ RunTime:0.000494s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`is_show`,`is_recommend` FROM `ls_goods_category` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 3 ORDER BY `sort` DESC [ RunTime:0.000431s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`link`,`module`,`is_show`,`is_recommend` FROM `ls_nav` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 1 ORDER BY `id` ASC,`sort` DESC [ RunTime:0.000514s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`link`,`module`,`is_show`,`is_recommend` FROM `ls_nav` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 2 ORDER BY `id` ASC,`sort` DESC [ RunTime:0.000436s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`link`,`module`,`is_show`,`is_recommend` FROM `ls_nav` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 3 ORDER BY `sort` DESC [ RunTime:0.000576s ]
SELECT * FROM `ls_friendly_link` WHERE `is_show` = 1 AND `del` = 0 ORDER BY `id` DESC,`sort` DESC [ RunTime:0.001169s ]
SELECT `id`,`name` FROM `ls_goods_category` WHERE `id` = 4 LIMIT 1 [ RunTime:0.000403s ]
SELECT `id`,`name` FROM `ls_goods_category` WHERE `id` = 41 LIMIT 1 [ RunTime:0.000246s ]
SELECT * FROM `ls_goods` WHERE `del` = 0 AND `status` = 1 AND `create_time` <= 1793612145 ORDER BY `create_time` DESC LIMIT 5 [ RunTime:0.235650s ]