jxta 编程指南。里面有jXTA2.4版本的例程源代码，并附加了详细的说明。-jxta Programming Guide. There are routines jXTA2.4 version of the source code, and added a detailed explanation.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001413s ]
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:0.072110s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001063s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001139s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001275s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.010968s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.004265s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.011189s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.021776s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001923s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 148602 [ RunTime:0.018454s ]
