读表法显示正弦波，附图。但只能输出定频，需要经过改动才能输出可调的 -Reading table shows sine wave, the attached map. But only the output frequency, changes need to go through in order to output adjustable
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001837s ]
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:0.142488s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001881s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.003291s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001919s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.006208s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001635s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.005902s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.025302s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001860s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 218304 [ RunTime:0.001803s ]
