实验采用七段码LED设计(数码管),显示直观;采用定时器中断,计时更准确;功能齐全,可随时启动、停止、清零,后者智能化程度更高。-Seven-Segment LED code using the experimental design (digital control), visual display using timer interrupt, a more accurate time functions, may at any time to start, stop, cleared, and the latter an even higher degree of intelligence.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002901s ]
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:0.104855s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002700s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002023s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002293s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004032s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002216s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003529s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015524s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002774s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 141215 [ RunTime:0.001310s ]