自己写得串口多线程控制程序，里面的超时设置和书上说得不是很一样，大家参考吧-their written control procedures for multi-threaded, overtime set up inside the book and put it is not very like, we make reference to it
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001297s ]
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:0.092089s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001254s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001903s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001195s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003695s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001089s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003222s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015475s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001377s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 321089 [ RunTime:0.001459s ]
