添加控件的提示信息（即当鼠标移动在某一个功能按钮时，提示其相应信息。）-Tips for Adding the control information (ie when the mouse button in a particular function, suggesting that the corresponding information.)
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001683s ]
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:0.093725s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001332s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001941s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001311s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003808s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001350s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003347s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015076s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001455s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 163501 [ RunTime:0.001263s ]
