这只是作业要求的一部分源代码，需要完成作业的同学不适用，仅供参考-This is only part of the operating requirements of the source code, the students need to complete the operation does not apply, for reference only
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001426s ]
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:0.090667s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001357s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002275s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001313s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003803s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001073s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003192s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016255s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001423s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 184293 [ RunTime:0.001394s ]
