用JSP链接到数据库使用起来非常简单，CUT然后PASTE，原代码中我给出了详细的注释。-Using JSP link to the database is very simple to use, then PASTE CUT, the original code I presented a detailed notes.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001057s ]
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:0.067076s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000952s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001181s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001064s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003102s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000755s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003859s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015042s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001200s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 117127 [ RunTime:0.014937s ]
