排行榜中存放玩家信息和成绩，排行榜对应record文件。如删除该文件，则调用系统后，会初始化排行榜，重新建立该文件，并设置初始的玩家名和游戏记录。-Player list stored information and results, list the corresponding record documents. Such as delete the file, then call the system will initialize the list to re-establish the file, and set the initial players and game records.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001145s ]
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:0.081078s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000955s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001210s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000977s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003140s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001546s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004974s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016279s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001249s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 192823 [ RunTime:0.032034s ]
