连接SQL数据库的一个程序，主要实现基本信息的添加，修改，删除，保存功能，并以树状结构列出关系-Connect a SQL database procedures, the main achievement of the basic information to add, modify, delete, save function, and to set out the relationship between tree
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001104s ]
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:0.089031s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001297s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001966s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001273s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003678s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001072s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003299s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014822s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001402s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 284986 [ RunTime:0.001189s ]
