文本文件的读写操作，统计其中单词、数字、标点符号等元素出现的次数，并记录单词总数。-text file read and write operations, statistics words, numbers, punctuation and other elements of the number and the total number of recorded words.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001371s ]
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:0.066951s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001052s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001254s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000953s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003353s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000840s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004029s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.017902s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001749s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 242150 [ RunTime:0.014563s ]
