开发无状态.有状态的会话Bean,可以结合有电子工业出版社的J2E教材学习，供初学者学习-development without state. A state of the oral Bean, can be combined with electronic publishers J2E learning materials for beginners learning
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001526s ]
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:0.122032s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001414s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002064s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001440s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003765s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001215s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003348s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015784s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001590s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 130812 [ RunTime:0.001406s ]
