有大量的源程序，简单易懂。虽然比较简单，但是也涵盖了c语言的精华。-A large number of source code, easy to understand. Although relatively simple, but it also covers the essence of the c language.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001313s ]
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:0.092387s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001141s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001883s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001219s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003745s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001064s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003203s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014729s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001397s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 155166 [ RunTime:0.001686s ]
