介绍键盘上的所有快捷键用法，比如ALT+F4 关闭当前应用程序 ALT+SPACEBAR 打开程序最左上角的菜单-Introduce all the keyboard shortcuts use, such as ALT+ F4 to close the current application ALT+ SPACEBAR to open the upper-left corner of the menu program
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001171s ]
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:0.059342s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000934s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.000987s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000839s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.002828s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000794s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003536s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014637s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001187s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 184875 [ RunTime:0.017945s ]
