数据库连接，读，写，修改，储存，等等的函数！可以镶入任何的程序，这样编写数据库就节省了很多时间了！-Database connection, read, write, modify, store, and so the function! Can insert into any of the procedures, so that the preparation of database on save a lot of time!
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001434s ]
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:0.097656s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001358s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002751s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001896s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003712s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001180s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003235s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015035s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001599s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 218525 [ RunTime:0.001399s ]
