好久没来了,写个4*4键盘的程序把,基本上每行都有解释,很适合初学者-Long time did not come, write a 4* 4 keyboard procedure to basically have to explain each line, it is suitable for beginners
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001280s ]
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:0.099695s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001198s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001972s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001258s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003699s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001080s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003342s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015625s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001294s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 138240 [ RunTime:0.001358s ]
