一个web页面下的发信组件，只能发送文本和html格式的邮件，支持二次开发。-a web page letter under the components, can only send text and html format of the mail, the development of secondary support.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001030s ]
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:0.079508s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.010785s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001447s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001640s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003501s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000934s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003757s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016140s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001113s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 310610 [ RunTime:0.020820s ]
