30天自制操作系统-畅读网

　　　　

30天自制操作系统

作者： [日] 川合秀实著,周自恒,李黎明,曾祥江,张文旭译

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计算机网络 >> 软硬件开发

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《30天自制操作系统》是一本兼具趣味性、实用性与学习性的操作系统图书。作者川合秀实从计算机的构造、汇编语言、C语言开始解说，让读者在实践中掌握算法。在《30天自制操作系统》的指导下，从零编写所有代码，30天后就可以制作出一个具有窗口系统的32位多任务操作系。《30天自制操作系统》适合操作系统爱好者和程序设计人员阅读。

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CONNECT:[ UseTime:0.002250s ] mysql:host=127.0.0.1;port=3306;dbname=mq;charset=utf8mb4
SHOW FULL COLUMNS FROM `ls_goods_category` [ RunTime:0.005400s ]
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:0.001605s ]
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:0.001377s ]
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:0.004857s ]
SHOW FULL COLUMNS FROM `ls_nav` [ RunTime:0.001891s ]
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:0.004541s ]
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SHOW FULL COLUMNS FROM `ls_friendly_link` [ RunTime:0.002716s ]
SELECT * FROM `ls_friendly_link` WHERE `is_show` = 1 AND `del` = 0 ORDER BY `id` DESC,`sort` DESC [ RunTime:0.002428s ]
SHOW FULL COLUMNS FROM `ls_goods` [ RunTime:0.005664s ]
SELECT * FROM `ls_goods` WHERE `id` = 39319 AND `status` = 1 LIMIT 1 [ RunTime:0.007163s ]
UPDATE `ls_goods` SET `click_count` = 171 , `update_time` = 1755274336 WHERE `id` = 39319 [ RunTime:0.016448s ]
SELECT `name`,`first_category_id`,`second_category_id` FROM `ls_goods` WHERE `id` = 39319 LIMIT 1 [ RunTime:0.009366s ]
SELECT `id`,`name` FROM `ls_goods_category` WHERE `id` = 35 LIMIT 1 [ RunTime:0.007687s ]
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:0.011090s ]
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SHOW FULL COLUMNS FROM `ls_ad` [ RunTime:0.006334s ]
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SELECT `id`,`name` FROM `ls_goods_category` WHERE `id` = 35 LIMIT 1 [ RunTime:0.007401s ]
SELECT `a`.*,`ap`.`width`,`ap`.`height` FROM `ls_ad` `a` INNER JOIN `ls_ad_position` `ap` ON `a`.`pid`=`ap`.`id` WHERE `pid` = 11 AND `ap`.`client` = '2' AND `a`.`status` = '1' AND `a`.`del` = '0' AND `ap`.`status` = '1' AND `ap`.`del` = '0' ORDER BY `sort` DESC,`id` DESC [ RunTime:0.005580s ]
SELECT `a`.*,`ap`.`width`,`ap`.`height` FROM `ls_ad` `a` INNER JOIN `ls_ad_position` `ap` ON `a`.`pid`=`ap`.`id` WHERE `pid` = 14 AND `ap`.`client` = '2' AND `a`.`status` = '1' AND `a`.`del` = '0' AND `ap`.`status` = '1' AND `ap`.`del` = '0' ORDER BY `sort` DESC,`id` DESC [ RunTime:0.012599s ]
SELECT * FROM `ls_goods` WHERE `del` = 0 AND `status` = 1 AND `create_time` <= 1755274276 ORDER BY `create_time` DESC LIMIT 5 [ RunTime:1.565833s ]

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