Python设计模式（第2版）-畅读网

　　　　

Python设计模式（第2版）

作者： Chetan Giridhar 吉里德尔

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计算机网络 >> 软硬件开发

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内容简介:

设计模式是构建大型软件系统zui强大的方法之一，优化软件架构和设计已经逐渐成为软件开发和维护过程中的一个重要课题。本书通过11章内容，全面揭示有关设计模式的内容，并结合Python语言进行示例化的解析。全书囊括单例设计模式、工厂模式、门面模式、代理模式、观察者模式、命令模式、模板方法模式、复合模式、状态设计模式以及反模式等多种设计模式。本书适合那些关注软件设计原则，并想将you秀的设计模式应用到Python编程当中的读者阅读，也适合普通的软件工程师、架构师参考。

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CONNECT:[ UseTime:0.001661s ] mysql:host=127.0.0.1;port=3306;dbname=mq;charset=utf8mb4
SHOW FULL COLUMNS FROM `ls_goods_category` [ RunTime:0.003030s ]
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:0.002429s ]
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:0.002221s ]
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:0.001577s ]
SHOW FULL COLUMNS FROM `ls_nav` [ RunTime:0.003987s ]
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:0.002599s ]
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SHOW FULL COLUMNS FROM `ls_friendly_link` [ RunTime:0.003551s ]
SELECT * FROM `ls_friendly_link` WHERE `is_show` = 1 AND `del` = 0 ORDER BY `id` DESC,`sort` DESC [ RunTime:0.002733s ]
SHOW FULL COLUMNS FROM `ls_goods` [ RunTime:0.005027s ]
SELECT * FROM `ls_goods` WHERE `id` = 143601 AND `status` = 1 LIMIT 1 [ RunTime:0.003011s ]
UPDATE `ls_goods` SET `click_count` = 117 , `update_time` = 1754122979 WHERE `id` = 143601 [ RunTime:0.001978s ]
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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:0.002070s ]
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SHOW FULL COLUMNS FROM `ls_ad` [ RunTime:0.001228s ]
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SELECT `id`,`name` FROM `ls_goods_category` WHERE `id` = 3 LIMIT 1 [ RunTime:0.000714s ]
SELECT `id`,`name` FROM `ls_goods_category` WHERE `id` = 35 LIMIT 1 [ RunTime:0.000639s ]
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:0.000907s ]
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:0.000791s ]
SELECT * FROM `ls_goods` WHERE `del` = 0 AND `status` = 1 AND `create_time` <= 1754122919 ORDER BY `create_time` DESC LIMIT 5 [ RunTime:0.514923s ]

0.940900s

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