用datagrid实现了 批量修改．
还有一个功能是，点击上面datagrid的行，得到id，下面datagrid显示有关id的信息-use datagrid realized the mass changes. Another function is that it datagrid above the line, to be id, Below datagrid shows that the message id
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001354s ]
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:0.092441s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001344s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001892s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001238s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003580s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001063s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003195s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014865s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001367s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 70976 [ RunTime:0.001286s ]
