本程序是基于多线程技术来绘制历史曲线，实现了历史曲线的实时动态显示-This procedure is based on the multi-threading technology to map the historical curve, realize the historical curve of real-time dynamic display
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001117s ]
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:0.089043s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001260s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001823s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001116s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003689s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000946s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003120s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014104s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001199s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 139293 [ RunTime:0.001566s ]
