java实现的词法分析器，手工生成，输入源程序后，可分离出数字，标志符，分割符，运算符，保留字。-achieve the lexical analyzer, artisanal production, import source, can be broken down into digital, URI, Segmentation website Operators, reservations word.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001253s ]
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:0.107827s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001222s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001892s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001212s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003589s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001029s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003163s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014567s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001323s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 45511 [ RunTime:0.001376s ]
