单文档程序：
点击菜单中的信号--正弦信号。相应的消息就会映射，在界面里画一个正弦信号。-single document : Click on the menu on the signal-- sinusoidal signal. The news will be a corresponding map, the interface Lane painting a sinusoidal signal.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002949s ]
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:0.126491s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.008791s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001375s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001131s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003468s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001421s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004624s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014526s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001130s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 322388 [ RunTime:0.248085s ]
