实现交流220V市电的定时开关，可编程修改各参数，特殊情况下可强行开关。主要用于控制自助打印机系统。-AC 220V City realize the timer switch, programmable modify the parameters, special circumstances may be forced switch. Mainly used to control the printer self-help system.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001750s ]
SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.136547s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001523s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001640s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.005982s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001495s ]
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SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.024446s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001915s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 146028 [ RunTime:0.006168s ]
