是一个完整的JXTA的项目，
功能有：
商务买卖，协同会议，
运行前需要加入小组。-JXTA is a complete project, functions are: business transactions, collaborative meetings, running before the need to join the group.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001438s ]
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:0.065698s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001022s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001152s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000996s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003201s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000821s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003730s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015708s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001193s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 154844 [ RunTime:0.015574s ]
