编译原理 的词法分析，花了很长时间编的，不过还是有点简单，可供初学者参考 -compiler tenets of lexical analysis, spent a lot of time series, but is still somewhat simple reference for beginners
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001393s ]
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:0.145454s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001746s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.003232s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001791s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.006347s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001517s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.005907s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.025361s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002393s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 123567 [ RunTime:0.001561s ]
