插入法较为复杂，它的基本工作原理是抽出牌，在前面的牌中寻找相应的位置插入，然后继续下一张
-Insertion method is more complex, and its basic working principle is to take a license, the license at the front looking for the corresponding position in the insert, and then continue to the next
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001958s ]
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:0.086384s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002378s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002001s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002171s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003738s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002064s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003384s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014727s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002400s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 152259 [ RunTime:0.001116s ]
