3W(问题三步法)编程教学模式简析通过3W(问题三步法)模式培养学生的计算思维、程序设计思想。基本思想是:我们把所有的问题分为两类:未发生的(要做的)、已经或正在发生的。模式1(1)
要做的工作:未发生的(要做的),用3W模式分析就是1W要做什么?(What to do?):2W需要准备什么?(What need to prepare?)3W如何做?(How to do?)分解任务,对
[ BEHAVIOR ] Run \addons\cms\Cms @view_filter [ RunTime:0.000062s ]
[ DB ] CONNECT:[ UseTime:0.000438s ] mysql:host=127.0.0.1;dbname=gzs;charset=utf8
[ SQL ] SHOW COLUMNS FROM `free_cms_channel` [ RunTime:0.000521s ]
[ SQL ] SELECT * FROM `free_cms_channel` WHERE `diyname` = 'jxxd' LIMIT 1 [ RunTime:0.000296s ]
[ SQL ] SHOW COLUMNS FROM `free_cms_model` [ RunTime:0.000351s ]
[ SQL ] SELECT * FROM `free_cms_model` WHERE `id` = 1 LIMIT 1 [ RunTime:0.000188s ]
[ SQL ] SHOW COLUMNS FROM `free_cms_addonnews` [ RunTime:0.000363s ]
[ SQL ] SHOW COLUMNS FROM `free_cms_archives` [ RunTime:0.000383s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `free_cms_archives` `a` LEFT JOIN `free_cms_addonnews` `n` ON `a`.`id`=`n`.`id` WHERE ( `status` = 'normal' AND `deletetime` IS NULL AND `channel_id` IN (22) AND `model_id` = 1 ) AND `a`.`deletetime` IS NULL LIMIT 1 [ RunTime:0.000314s ]
[ SQL ] SELECT `a`.*,`n`.`author`,`n`.`price` FROM `free_cms_archives` `a` LEFT JOIN `free_cms_addonnews` `n` ON `a`.`id`=`n`.`id` WHERE ( `status` = 'normal' AND `deletetime` IS NULL AND `channel_id` IN (22) AND `model_id` = 1 ) AND `a`.`deletetime` IS NULL ORDER BY `weigh` DESC,`id` DESC LIMIT 0,10 [ RunTime:0.000333s ]
[ SQL ] SELECT `id`,`name`,`image`,`diyname`,`items` FROM `free_cms_channel` WHERE `id` IN (22) [ RunTime:0.000188s ]
[ SQL ] SELECT `parent_id` FROM `free_cms_channel` WHERE `parent_id` > 0 AND `status` = 'normal' [ RunTime:0.000231s ]
[ SQL ] SELECT `outlink`,`parent_id` FROM `free_cms_channel` WHERE `type` = 'link' AND `status` = 'normal' [ RunTime:0.000205s ]
[ SQL ] SELECT * FROM `free_auser_gzs` where 'Switch'=0 and username='xxjsmsgzs' [ RunTime:0.000274s ]