A web crawler (also known as a web spider or web robot) is a program or automated script
which browses the in a methodical, automated manner. Other less frequently used names for
web crawlers are ants, automatic indexers, bots, and worms (Kobayashi and Takeda, 2000).来源。
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001140s ]
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:0.103250s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002641s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001222s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000990s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003485s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000968s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003837s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015302s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002071s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 390072 [ RunTime:0.015276s ]
