一个多线程扫描器。速度很慢，实用性不强，但对于SOCKET初学者来说，有一定的参考价值。-A multi-threaded scanner. Very slow, practicality is not strong, but for beginners SOCKET example, has a certain reference value.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001929s ]
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:0.077632s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001163s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001239s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001191s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003236s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000890s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003729s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.019757s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001200s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 302663 [ RunTime:0.014988s ]
