用JDOM读写XML的源代码，实现简单的读写XML功能，要先导JDOM的jar包，-To read and write XML with JDOM source code to achieve a simple read and write XML functionality, to the pilot JDOM the jar package,
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.003050s ]
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:0.165276s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.003053s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002056s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002346s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003813s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002219s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003440s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.020660s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.003422s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 175060 [ RunTime:0.001410s ]
