源码实现了简单的功能，可以学学看源码实现了简单的功能，可以学学看-Source to achieve a simple function, you can learn to see the realization of a simple source function, you can learn to see
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001965s ]
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:0.085011s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001963s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001910s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002543s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003770s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002677s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003320s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014946s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002858s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 223299 [ RunTime:0.001396s ]
