有关Evc的代码；
该代码出自付林林 的书籍的代码的一部分！
相对比较基础的一些代码。
适应于初学者！-EVC-related code 付林林the code from the book as part of the code! Basis of comparison of the relative number of code. Adapted to beginners!
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001205s ]
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:0.094399s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001310s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001888s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001418s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003607s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001066s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003303s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.017208s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001389s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 314868 [ RunTime:0.001358s ]
