输入年和周数，如2009 14，返回第14周的第一天和最后一天的日期-Enter the number of years and weeks, such as 200,914, return the first 14 weeks of the first days of the date of the last day
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.004315s ]
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:0.102736s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.003150s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.005888s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001045s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.002991s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000983s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003836s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014869s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001060s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 129900 [ RunTime:0.016546s ]
