本程序实现了哈希表的基本功能，以及一些附带的附属功能，可以作为数据结构的演示程序-the procedures of the hash table to achieve the basic functions, as well as some fringe subsidiary function, can be used as a data structure Demonstration Program
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001356s ]
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:0.091870s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001354s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001918s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001235s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003786s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001063s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003182s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015588s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001401s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 305293 [ RunTime:0.001249s ]
