邮件发送模块，使用之前需要安装Jmail组件，然后在代码中设置SMTP服务器等信息。-E-mail module, prior to use Jmail need to install components, and then in the code set up SMTP server information.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001233s ]
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:0.085987s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001263s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001868s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001165s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003574s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000993s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003188s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014579s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001244s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 253818 [ RunTime:0.001673s ]
