从网上下载lex工具源代码，并对其进行反复修改
使其能按我们的要求对C程序进行词法分析，然后输出我们期望的结果
-downloaded from the Internet tools lex source code, and it has repeatedly revised to enable it to us by the requirements of the C procedures lexical analysis, and then output the results we expect
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001360s ]
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:0.097671s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001005s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001335s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001024s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003321s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000881s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003604s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016326s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001125s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 301743 [ RunTime:0.014158s ]
