建立歌曲文档，按演唱者排序，程序可接收查找的演唱者，并输出其所有的歌曲
-documents establishing songs by singers, in order of search procedures can receive a concert, and exported all of its songs
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001116s ]
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:0.092797s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001097s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001874s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001152s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003881s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001041s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003465s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.032136s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001914s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 158531 [ RunTime:0.001869s ]
