使用发射来处理JDBC的一个示例，可以作为初学者学习JDBC、jsp以及反射的一个例子-Launched to deal with the use of a JDBC example, can serve as a beginner to learn JDBC, jsp, as well as an example of reflection
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001112s ]
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:0.066767s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000841s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001089s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000919s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003123s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000844s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003563s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016433s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001105s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 136958 [ RunTime:0.012004s ]
